Camera.java revision 951516358e2841d2425f610bcd0175d9960135d2
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.hardware; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant; 2010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant.SdkConstantType; 21a696f5d667227365da732481770767dcb330dd23Mathias Agopianimport android.graphics.ImageFormat; 224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Liimport android.graphics.Point; 2330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Liimport android.graphics.Rect; 24fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennisimport android.graphics.SurfaceTexture; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 28bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.util.Log; 29bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.Surface; 30bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.SurfaceHolder; 31bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li 32bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.io.IOException; 33bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.lang.ref.WeakReference; 34bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.ArrayList; 35bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.HashMap; 36bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.List; 37bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.StringTokenizer; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 40bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 41bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 42bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 43df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 44bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 457478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 46df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 48bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 497478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 50df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 51df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 52df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 53df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 54df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 55bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 58341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 59bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 105bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 106bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 107bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 108bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 109bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 110341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 111bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 112bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 113df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 114df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 115df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1167478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 117df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1186c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * 1196c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <div class="special reference"> 1206c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <h3>Developer Guides</h3> 1216c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <p>For more information about using cameras, read the 1226c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <a href="{@docRoot}guide/topics/media/camera.html">Camera</a> developer guide.</p> 1236c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * </div> 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 128d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 129da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 130da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 131da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 132da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 133da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 134da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 135da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 136da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 137da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 1384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x200; 139bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li private static final int CAMERA_MSG_PREVIEW_METADATA = 0x400; 1409d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private static final int CAMERA_MSG_FOCUS_MOVE = 0x800; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 148e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1509d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private AutoFocusMoveCallback mAutoFocusMoveCallback; 1513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1524c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private FaceDetectionListener mFaceListener; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 15594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1564c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private boolean mFaceDetectionRunning = false; 1579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new picture is taken by the camera, and the entry of 16010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * the picture has been added to the media store. 16110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the picture. 16210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 16310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 16410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 16510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 16710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new video is recorded by the camera, and the entry 16810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * of the video has been added to the media store. 16910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the video. 17010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 17110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 17210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 17310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 17410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 1754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware face detection. It does not use much CPU. 1764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 177c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_HW = 0; 1784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 180c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Software face detection. It uses some CPU. 1814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 182c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_SW = 1; 1834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 185341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 186e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 187e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 188e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 189e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 190341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 191b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 192b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 193b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 195b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 197b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 198b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 1997836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2007836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 2017836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 202b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 2037836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 2047836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2057836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 2067836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 207b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 208b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 209b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 210464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The direction that the camera faces. It should be 211b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 212b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2137836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 214b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 215b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 21632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 217b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 21832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 219b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 22032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 2212fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 2222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 2232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 2242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 22532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 226b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 227b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 22869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 22969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 23069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 23169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 232b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2337836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 234b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 235b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 236b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 237a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * Creates a new Camera object to access a particular hardware camera. If 238a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * the same camera is opened by other applications, this will throw a 239a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * RuntimeException. 240a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * 241bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 242bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 243bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 244341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 245341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 246bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 247bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 248bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 249bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 250bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 252bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 253bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 254bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 255bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 256bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 257341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 258a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 259bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 260a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * @throws RuntimeException if opening the camera fails (for example, if the 261a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * camera is in use by another process or device policy manager has 262a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * disabled the camera). 263facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 264e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 265e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 2667bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li return new Camera(cameraId); 267e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 268e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 269e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 270a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 271a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 272a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2737836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 276a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 277a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 278a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 279a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 280a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 2817bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li return new Camera(i); 282a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 283a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 284a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2877bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li Camera(int cameraId) { 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 292e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3047bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li native_setup(new WeakReference<Camera>(this), cameraId); 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3071c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 3081c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * An empty Camera for testing purpose. 3091c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 3101c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera() { 3111c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 3121c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 3139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 314e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala release(); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3177bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li private native final void native_setup(Object camera_this, int cameraId); 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 323bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 324bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 332bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 335bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 339bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 34042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 34142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 343bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 350bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 351bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 352bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 35542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 35642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 35742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 35842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 359bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 360bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 361bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 364ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 367bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 368bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 369bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 370bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 371bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 37442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 37542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 37642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 377bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 380bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 381bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 383bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 387fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 388fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 389fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 390fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 393bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 398bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 399bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 401bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 402bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 403bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 404bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 4059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 407bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 408bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 409bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 412b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 413b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 414b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 415b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 416b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 422fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 423fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 424fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 425fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 426fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 427fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 428fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 429fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 430fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 431fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 432fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 433fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 434fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 435fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 43632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 437e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 438e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 439e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 440e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 441e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 442108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 443108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 444108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 445108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 446108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 447108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.graphics.SurfaceTexture 448108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.view.TextureView 449fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 450fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 451fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 452fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 453fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 454fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 455dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 456fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 457fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 458bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 459bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 461bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 462bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 464bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 469bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 470341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 472951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>If using the {@link android.graphics.ImageFormat#YV12} format, 473951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * refer to the equations in {@link Camera.Parameters#setPreviewFormat} 474951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * for the arrangement of the pixel data in the preview callback 475951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * buffers. 476951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 478a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 479df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 480da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 483bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 489bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 490c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 491c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 492c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 493bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 494bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 495bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 496bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 497bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 498bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 5019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 503bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 504bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 5074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 5084c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 509664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang 510664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mShutterCallback = null; 511664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mRawImageCallback = null; 512664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mPostviewCallback = null; 513664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mJpegCallback = null; 514664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mAutoFocusCallback = null; 5159d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = null; 5164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 5174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 5184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 5199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 5279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 529108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame in addition 530bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 531bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 532108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * even while preview is live. Any other preview callbacks are 533108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * overridden.</p> 534108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 535108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 536108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 537108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 539bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 540bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 541108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 54694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 547a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 548a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 54994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 553108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for the next preview frame in 554108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * addition to displaying it on the screen. After one invocation, the 555108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * callback is cleared. This method can be called any time, even when 556108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview is live. Any other preview callbacks are overridden.</p> 557108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 558108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 559108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 560108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 562bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 563bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 564108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 56794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 56894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 56994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 57094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 57194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 57294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 57394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 57494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 57594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 576108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame, using 577108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * buffers supplied with {@link #addCallbackBuffer(byte[])}, in addition to 578bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 579108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * for as long as preview is active and buffers are available. Any other 580108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview callbacks are overridden.</p> 58194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 582bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 583bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 584bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 585108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * calling this method -- or no callbacks will received.</p> 58694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 587108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>The buffer queue will be cleared if this method is called with a null 588bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 589108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is 590108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * called.</p> 591108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 592108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 593108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 594108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 59594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 596bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 597bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 598bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 599108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 60094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 60194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 60294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 60394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 60494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 60594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 6093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 6103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 611bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 612bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 613bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 614bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 615bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 616c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 617951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>For formats besides YV12, the size of the buffer is determined by 618951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * multiplying the preview image width, height, and bytes per pixel. The 619951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * width and height can be read from 620951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel can be 621951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * computed from {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 622951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 8, using the image format from 623951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link Camera.Parameters#getPreviewFormat()}. 624951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 625951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>If using the {@link android.graphics.ImageFormat#YV12} format, the 626951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * size can be calculated using the equations listed in 627951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link Camera.Parameters#setPreviewFormat}. 62894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 629bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 630e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 631bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 632bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 633e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 634e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 635e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 63694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 637951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @param callbackBuffer the buffer to add to the queue. The size of the 638951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * buffer must match the values described above. 6395b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 64094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 648e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 649e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 650e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 651e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 652e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 653e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 654e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 655e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 656e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 657e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 658e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 659e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 660e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 661e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 662e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 663e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 664e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 665e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 666e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 667e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 66832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 66932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 67032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 67132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 67232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 67332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 674e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 675e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 676e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 677e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 678e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 679e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 680e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 681e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 682e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 683e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 684e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 685e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 686e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 687e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 688e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 689e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 690e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 691e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 692e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 693e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 694e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 695e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 696e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 697e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 698e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 699e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 700e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 701e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 702e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 716c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 721c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 722c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 723e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 725e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 728c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 729e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 731e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 734c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 736a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 738a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 739a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 740a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 74294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 743a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 744a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 745a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 74694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 748a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 752e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 753e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 754e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 755e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 756e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 757e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 758c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 759e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 761e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 762e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 763e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 764e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 767e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 770bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 772f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 776c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 778e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 780e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li case CAMERA_MSG_FOCUS_MOVE: 7849d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li if (mAutoFocusMoveCallback != null) { 7859d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback.onAutoFocusMoving(msg.arg1 == 0 ? false : true, mCamera); 7869d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 7879d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li return; 7889d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 810bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 811bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 8127478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 8137478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 814df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 815df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 8167478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 817df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 818df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 819bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 820bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 82569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 82669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 82769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 82869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 8299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 830b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * The auto-focus routine does not lock auto-exposure and auto-white 831b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * balance after it completes. 83283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 83583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 83683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 83953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li } 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 842bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 843bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 844bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 845bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 846bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 847bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 848bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 849bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 85036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 851bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 852da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 8537478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8547478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 855df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 856df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 857bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 858068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 859068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 860bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8617478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 86253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Auto-exposure lock {@link android.hardware.Camera.Parameters#getAutoExposureLock()} 863b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * and auto-white balance locks {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 864b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * do not change during and after autofocus. But auto-focus routine may stop 865b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure and auto-white balance transiently during focusing. 86683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 86753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Stopping preview with {@link #stopPreview()}, or triggering still 86853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * image capture with {@link #takePicture(Camera.ShutterCallback, 86953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 87053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * the focus position. Applications must call cancelAutoFocus to reset the 87153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus.</p> 87253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 873108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If autofocus is successful, consider using 874108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * {@link android.media.MediaActionSound} to properly play back an autofocus 875108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * success sound to the user.</p> 876108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 878bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 87983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 88083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 881108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 891bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 892bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 893bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 894244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 895bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 896bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 897244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 898244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 899244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 900244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 901244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 902244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 903244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 904244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 905244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 9069d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Callback interface used to notify on auto focus start and stop. 9079d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9086574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * <p>This is only supported in continuous autofocus modes -- {@link 9096574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * Parameters#FOCUS_MODE_CONTINUOUS_VIDEO} and {@link 9106574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * Parameters#FOCUS_MODE_CONTINUOUS_PICTURE}. Applications can show 9116574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * autofocus animation based on this.</p> 9129d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9139d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public interface AutoFocusMoveCallback 9149d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li { 9159d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9169d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Called when the camera auto focus starts or stops. 9179d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9189d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param start true if focus starts to move, false if focus stops to move 9196574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * @param camera the Camera service object 9209d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9219d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li void onAutoFocusMoving(boolean start, Camera camera); 9229d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9239d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9249d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9259d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Sets camera auto-focus move callback. 9269d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9279d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param cb the callback to run 9289d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9299d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public void setAutoFocusMoveCallback(AutoFocusMoveCallback cb) { 9309d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = cb; 9319d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li enableFocusMoveCallback((mAutoFocusMoveCallback != null) ? 1 : 0); 9329d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9339d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9349d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private native void enableFocusMoveCallback(int enable); 9359d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9369d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 937bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 938bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 939bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 944bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 945bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 946bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 947bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 948bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 954bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 955bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 956bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 960bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 961bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 962bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 9639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 971bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 9729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 973bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 977e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 978e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 979e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 980e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 981e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 9839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 9849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 9859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 9869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 987e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 988e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 9899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 9909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 9919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 9929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 9939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 994e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 995bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 996bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 997bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 99842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 99942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 100042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 100140057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 1002bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 1003bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 100440057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 1005bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 1006bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 1007e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 1008bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 1009e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 1010e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 1011e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 1014e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 1016e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1017e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 1018e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 1019e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 1020e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 1021e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1022e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 1023e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 1024e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1025e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 1026e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 1027e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1028e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 1029e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 1030e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1031e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1032e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1035e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1036bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 10373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 10383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 1039bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 1040bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 1041bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 1042bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 1043bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 1044bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 1045bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 1046bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 1047bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 104836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 104936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 105036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 10510ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 10520ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 1053bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 105436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 105536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 105636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 105736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 1058bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 10593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 10603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 10618cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 10620ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 10630ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 106436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 106536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 106636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 106736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 10682fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 10692fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 10702fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 1071b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 1072b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 1073b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 1074d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 107569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 10762fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 10772fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 1078d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 107969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 108069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 1081b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 1082724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 1083724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1084724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1085724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1086724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1087724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1088724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1089724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1090724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1091724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1092724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1093724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1094724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1095724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1096b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 10972fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 10982fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 10992fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 11002fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 11012fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 11022fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 11032fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1104724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1105724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1106b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1107d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1108d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * <p>Starting from API level 14, this method can be called when preview is 1109d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * active. 1110d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1111d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1112e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1113e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 11142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1115d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1116d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1117d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1118d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1119bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1120bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1121bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1122bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1123e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1125e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1126e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1127bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 112836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 112936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 11303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 113136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 113236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1133e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1134e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1136e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1137e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1138e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 11393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 114036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 11418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 11423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 11438cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1144e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1146e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 11473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1148e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 11499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11504c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11514c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 11524c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 11554c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11564c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 11584c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 115953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @param faces The detected faces in a list 1160464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @param camera The {@link Camera} service object 11614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1162f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 11634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1166c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 11674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 11684c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1170c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 11714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 11734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 11754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1178c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 11794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 11804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 11814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 11824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1183c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 11844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 11854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11868c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 11874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 11888c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * have no effect. The camera uses the detected faces to do auto-white balance, 11898c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * auto exposure, and autofocus. 11908c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11918c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>If the apps call {@link #autoFocus(AutoFocusCallback)}, the camera 11928c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * will stop sending face callbacks. The last face callback indicates the 11938c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * areas used to do autofocus. After focus completes, face detection will 11948c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * resume sending face callbacks. If the apps call {@link 11958c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * #cancelAutoFocus()}, the face callbacks will also resume.</p> 11968c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11978c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>After calling {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 11988c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Camera.PictureCallback)} or {@link #stopPreview()}, and then resuming 11998c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * preview with {@link #startPreview()}, the apps should call this method 12008c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * again to resume face detection.</p> 12014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1202c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 12034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 12044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 12054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 12064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1207c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 12084c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1209c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 12104c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 12114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 12124c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1213c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 12144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 12154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1218c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 12194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1220464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 12224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 12234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 12244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 12254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12264c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 12284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 12294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1231464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * Information about a face identified through camera face detection. 123253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 1233464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * <p>When face detection is used with a camera, the {@link FaceDetectionListener} returns a 1234464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * list of face objects for use in focusing and metering.</p> 12354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1236464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see FaceDetectionListener 12374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1238f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1239c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1240c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1241c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1242bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1243bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1244bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 12454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 12464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 12474c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1248c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1249c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 12508c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). It is 12518c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * guaranteed left < right and top < bottom. The coordinates can be 12528c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * smaller than -1000 or bigger than 1000. But at least one vertex will 12538c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * be within (-1000, -1000) and (1000, 1000). 1254f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1255f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1256f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 12578c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. The face bounding 12588c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * rectangle does not provide any information about face orientation.</p> 12598c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12608c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>Here is the matrix to convert driver coordinates to View coordinates 12618c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * in pixels.</p> 12628c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <pre> 12638c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Matrix matrix = new Matrix(); 12648c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId]; 12658c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Need mirror for front camera. 12668c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 12678c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.setScale(mirror ? -1 : 1, 1); 12688c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // This is the value for android.hardware.Camera.setDisplayOrientation. 12698c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postRotate(displayOrientation); 12708c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). 12718c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // UI coordinates range from (0, 0) to (width, height). 12728c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postScale(view.getWidth() / 2000f, view.getHeight() / 2000f); 12738c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postTranslate(view.getWidth() / 2f, view.getHeight() / 2f); 12748c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * </pre> 12754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1276464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1278bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 12794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1281464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The confidence level for the detection of the face. The range is 1 to 100. 100 is the 1282c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * highest confidence. 12834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1284464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1286bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 1287d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1288d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1289d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * An unique id per face while the face is visible to the tracker. If 1290d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the face leaves the field-of-view and comes back, it will get a new 1291d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * id. This is an optional field, may not be supported on all devices. 1292d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * If not supported, id will always be set to -1. The optional fields 1293d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are supported as a set. Either they are all valid, or none of them 1294d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are. 1295d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1296d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public int id = -1; 1297d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1298d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1299d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the left eye. The coordinates are in 1300d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1301d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1302d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1303d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1304d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1305d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point leftEye = null; 1306d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1307d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1308d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the right eye. The coordinates are 1309d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * in the same space as the ones for {@link #rect}.This is an optional 1310d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1311d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1312d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1313d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1314d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point rightEye = null; 1315d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1316d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1317d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the mouth. The coordinates are in 1318d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1319d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1320d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1321d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1322d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1323d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point mouth = null; 13244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 13254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1326bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1327bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1328bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1329bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1330bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1331bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1335bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 13409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1342bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1343bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1344bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1373bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 13749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 137699a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1377bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1384bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1385bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13981c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * Returns an empty {@link Parameters} for testing purpose. 13991c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 1400f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * @return a Parameter object. 14011c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 14021c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * @hide 14031c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 14041c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li public static Parameters getEmptyParameters() { 14051c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera camera = new Camera(); 14061c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li return camera.new Parameters(); 14071c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 14081c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 14091c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 1410bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 14159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14234c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 14244c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 14254c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 14264c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 14274c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 14284c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 14294c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 14304c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 14314c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 14324c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 14334c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 14344c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14354c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 14364c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 14374c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14384c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 14394c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 14404c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 14414c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 144932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 145032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 145132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 145232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 145332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 145432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 145532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 145632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 145732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 145832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 145932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 146032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 146132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 146232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 146332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 146432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 146532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 146632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 146732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 146832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 146932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 147032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1471bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1472bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1473bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1474bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1475bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1476bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1477bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 147830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 147930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 148030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 148130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 148230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 148332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 148432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 148530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 148630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 148730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 148830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 148930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 149030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 149130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 149230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 149330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 149430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 149530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 149630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 149730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 149830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 149930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 150030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 150130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 150230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 150330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 150430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 150530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 150630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 150730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 150830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 150930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 151030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1511bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 151232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 151332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 151432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 151532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 151632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1517bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1518bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1519bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1520bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 152130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 152230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1523bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 152432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 152532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 152632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 152732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 152832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1529bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1530bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1531bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1532bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 153330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1534bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 153530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 153630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1537bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 15389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1540bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1541bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1542bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1543bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 15449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 15469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 15479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1548bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1549bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1550bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1551bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 15549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 15559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 15569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 15579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1558454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 15599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 15609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 15614c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 15629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 15639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 15649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 15659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 15669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 15679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 15689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 15699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 15709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1571055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 15729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 15739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 15749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 15759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 15769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 157736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 157830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 157930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 15806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 15816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 15826c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1583ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 158424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 158524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 158624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 15873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 15883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1589d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1590d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1591e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1592e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 15938cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 15948cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 15958cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 15968cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 15978cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1598e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1599dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1600dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1601dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 16024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 16034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 160425d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 160598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported"; 1606037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION = "video-stabilization"; 1607037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION_SUPPORTED = "video-stabilization-supported"; 1608e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 16099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 16109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 16119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 16133773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 16148cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 16159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 16169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 16179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 16189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 16199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 16209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 16219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 16229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 16239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 16249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 16269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 16279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 16289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 16299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 16309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 16319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 16329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 16339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 16349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 16359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 16379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 16389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 16399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 16409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 16419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 16439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 16459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 164736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1649068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1650068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 16519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 165336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1655068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1656068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 16579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 165936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 16629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 166436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 166536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1666068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1667068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 166836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1669068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 16709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 167100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 167300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 167500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 167600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 167800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 167900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 168100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 168400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 168600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 168900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 169100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 169200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 169300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 169400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 169600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 169700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 169800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 169900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 170100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 170200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 170400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 170600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 170700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 170900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 171100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 171200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 171300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 171400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 171600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 171700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 171800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 171900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 172100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 172200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 172300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 172400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 172600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 172700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 172800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 172900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 173100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 173200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 173300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 173400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 173500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 173700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 173800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 173900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 174000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 174200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 174300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 174400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 174500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 17479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1748c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1749c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1750c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1751c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1752c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1753c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 175436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1755f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1756f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 175736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 175836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 175936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 176036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 176136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 176236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 176336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 176436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1765f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1766f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1767f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1768f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1769f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1770f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 177136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 177236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 177336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 177436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 177536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 177636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 177736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 177836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 177936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 178036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1781c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1782c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1783c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1784c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1785c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1786c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1787c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1788699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1789d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1790b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1791b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1792b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1793b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1794b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 179553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * set. 179653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 179753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, applications can call {@link 179853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. The focus callback will 179953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * immediately return with a boolean that indicates whether the focus is 180053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * sharp or not. The focus position is locked after autoFocus call. If 180153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * applications want to resume the continuous focus, cancelAutoFocus 180253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * must be called. Restarting the preview will not resume the continuous 180353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * autofocus. To stop continuous focus, applications should change the 180453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus mode to other modes. 180553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 180653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_PICTURE 1807d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1808d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1809699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1810b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1811b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1812b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1813b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 181453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * starts when the parameter is set. 181553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 18160f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * <p>Applications can call {@link #autoFocus(AutoFocusCallback)} in 18170f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * this mode. If the autofocus is in the middle of scanning, the focus 18180f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * callback will return when it completes. If the autofocus is not 18190f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * scanning, the focus callback will immediately return with a boolean 18200f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * that indicates whether the focus is sharp or not. The apps can then 18210f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * decide if they want to take a picture immediately or to change the 18220f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * focus mode to auto, and run a full autofocus cycle. The focus 18230f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * position is locked after autoFocus call. If applications want to 18240f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * resume the continuous focus, cancelAutoFocus must be called. 18250f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * Restarting the preview will not resume the continuous autofocus. To 18260f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * stop continuous focus, applications should change the focus mode to 18270f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * other modes. 1828b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1829b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1830b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1831b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1832b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1833e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1834e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1835e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1836e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1837e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1838e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1839e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1840e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1841e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1842e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1843e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1844e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1845e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1846e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1847e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1848e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1849e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1850e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1851e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1852ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1853454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1854454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1855454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1856454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1857454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1858454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1859454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1860454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1861454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1862454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1863454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1864454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1865454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 18669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 18679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 18689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1869eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 187010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 18719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 18729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 187370fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 18749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 18979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 19189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 19249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 19349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 19449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 1949cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (key.indexOf('=') != -1 || key.indexOf(';') != -1 || key.indexOf(0) != -1) { 1950cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ; or \\0)"); 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1953cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (value.indexOf('=') != -1 || value.indexOf(';') != -1 || value.indexOf(0) != -1) { 1954cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ; or \\0)"); 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1971e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1972f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1973f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1974f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1975f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1976f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1977f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1978f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1979f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1980f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1981f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1982f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1983f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1984f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1985f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1986f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1987f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1988f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1989f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1990f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1991f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1992f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1993e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1994e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1995e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 20089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 20139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 201726274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 201826274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 201926274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2021c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 2022c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 2023c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 2024c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 2025c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 2026c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 2027c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 2028c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 2029c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 2030c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 2031c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 2034c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 2035c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 2036c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 2037c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 20419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 20429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 20469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2047dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 20489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 20499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 20519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 20529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 20539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 20579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 20599c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 20609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 20629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 20639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 206732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 206832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 2069dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 207032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 2071dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 2072dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 2073dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 2074dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 207532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 2076dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2077dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 2078dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 2079dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 2080dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2081dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 2082dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 2083dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 2084dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2085dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2086dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 2087dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 2088dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 2089dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 2090dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 2091dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 2092dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 2093dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 2094dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 2095dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2096dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 2097dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 2098dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 2099dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 2100dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2101dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 2102dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 2103dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 2104dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2105dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2106dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 210732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 21084c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 210932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 21109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 211132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 211232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2113c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 2116c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 21179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 21279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21354c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 21364c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 21373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 21384c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 21394c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 21404c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 21414c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 21424c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 21434c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 21444c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 21454c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 21464c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 21479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 21539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 21629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 21699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 21729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 21739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 21779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 21819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2185a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2186a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 21879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 21895f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21915f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 21939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2197a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2198a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2199a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 22009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 22025f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22045f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 22119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 22133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 22145f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 22159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22165f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 22189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 22199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2223454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 22241620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2225454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2226454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2227454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2228454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2229454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2230454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2231454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2232454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2233454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2234454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2235454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2236454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2237454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2238454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2239454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2240454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2241454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2242454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2243454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2244454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2245454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2246454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2247454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2248454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2249454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 22505f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2251454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2252454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2253454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2254454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2255454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2256454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2257454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2258454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2259454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2260454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2261454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2262454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2263454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2264454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2265454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2266454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2267454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2268454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2269454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2270454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2271454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2272454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2273454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2274454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2275454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2276454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2277454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 22787478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2279da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2280a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2281df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 22827478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2283951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>Use {@link Parameters#getSupportedPreviewFormats} to get a list of 2284951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * the available preview formats. 2285951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2286951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>It is strongly recommended that either 2287951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link android.graphics.ImageFormat#NV21} or 2288951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link android.graphics.ImageFormat#YV12} is used, since 2289951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * they are supported by all camera devices.</p> 2290951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2291951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <p>For YV12, the image buffer that is received is not necessarily 2292951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * tightly packed, as there may be padding at the end of each row of 2293951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * pixel data, as described in 2294951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@link android.graphics.ImageFormat#YV12}. For camera callback data, 2295951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * it can be assumed that the stride of the Y and UV data is the 2296951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * smallest possible that meets the alignment requirements. That is, if 2297951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * the preview size is <var>width x height</var>, then the following 2298951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * equations describe the buffer index for the beginning of row 2299951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <var>y</var> for the Y plane and row <var>c</var> for the U and V 2300951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * planes: 2301951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2302951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * {@code 2303951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <pre> 2304951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * yStride = (int) ceil(width / 16.0) * 16; 2305951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * uvStride = (int) ceil( (yStride / 2) / 16.0) * 16; 2306951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * ySize = yStride * height; 2307951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * uvSize = uvStride * height / 2; 2308951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * yRowIndex = yStride * y; 2309951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * uRowIndex = ySize + uvSize + uvStride * c; 2310951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * vRowIndex = ySize + uvStride * c; 2311951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * size = ySize + uvSize * 2;</pre> 2312951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * } 2313951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2314951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @param pixel_format the desired preview picture format, defined by 2315951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * one of the {@link android.graphics.ImageFormat} constants. (E.g., 2316951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <var>ImageFormat.NV21</var> (default), or 2317951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * <var>ImageFormat.YV12</var>) 2318951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * 2319a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 2320951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @see android.hardware.Camera.Parameters#getSupportedPreviewFormats 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 23239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 23249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 23259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 23349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 23357478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 23363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 23373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 2338951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @see #setPreviewFormat 23399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 23419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 23429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2345f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2346f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2347f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 23489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 23503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 2352951516358e2841d2425f610bcd0175d9960135d2Eino-Ville Talvala * @see #setPreviewFormat 23539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 23559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2356eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2357eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2358eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2359a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2360eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2361eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2362eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 23639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 236632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 23679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 236832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 236932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2370c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2373c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2374c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 23789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 23839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 23859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 23869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 23889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 23899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 23909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 23949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 23963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 23999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 24009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 24019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 24059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2407a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2408a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2409a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2410a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 24159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 24169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 24249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 24263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 24279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 24299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 24309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 24349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 24363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 24373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 24389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 24409c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 24419c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 24429c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 24439c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2444a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 24459c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 24469c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 24479c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 24489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 24519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2452a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2453a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2454a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 245510a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2456a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2457a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 245870fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2459a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 24609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 24649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2465a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2468a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2471a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2473eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2474a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2475eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 247610a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 247710a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 247810a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 24799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2480a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2483a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2485a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 24869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24898969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * Sets the clockwise rotation angle in degrees relative to the 24908969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * orientation of the camera. This affects the pictures returned from 24918969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * JPEG {@link PictureCallback}. The camera driver may set orientation 24928969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * in the EXIF header without rotating the picture. Or the driver may 24938969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * rotate the picture and the EXIF thumbnail. If the Jpeg picture is 24948969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * rotated, the orientation in the EXIF header will be missing or 1 24958969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * (row #0 is top and column #0 is left side). 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 249769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 24982fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 24992fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 25002fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 25012fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 250269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 25032fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 25042fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 25052fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 25062fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 250869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 25092fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 25102fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 25112fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 25122fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 25132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 25142fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 251569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 25162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 2517e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * <pre> 25189a10bf0386ac9822e33a15820d8cd1fd8bdb5572Scott Main * public void onOrientationChanged(int orientation) { 25192fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 25202fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 25212fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 25222fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 25232fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 25242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 25252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 25262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 25272fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 25282fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 25292fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 25302fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 25312fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 2532e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * </pre> 25332fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 25342fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 25352fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 25362fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 25379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 25389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 25392fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 25409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 25429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 25439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 25449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 25459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 25469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 25479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 25489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 25539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 25549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 25569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 25589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 25599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 25639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 25649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 25739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 25759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 25779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 25789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 25829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 25889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2591e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2592055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2593055c986ab841f8f758398841730f1e90313b132aRay Chen * 2594055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2595055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2596055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2597055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2598055c986ab841f8f758398841730f1e90313b132aRay Chen } 2599055c986ab841f8f758398841730f1e90313b132aRay Chen 2600055c986ab841f8f758398841730f1e90313b132aRay Chen /** 26019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 26029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 26039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 26059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 26069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 26079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 26089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2609055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 26109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 26149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 26163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 26173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 26183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 26193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 26203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 26213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 26223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 26233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 26243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 26253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 26269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 26289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 26299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 263216b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 2633b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * auto-white balance lock. It is recommended not to change white 2634b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * balance and AWB lock at the same time. 26359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 26373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 2638037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 26399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 2641b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li String oldValue = get(KEY_WHITE_BALANCE); 2642b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (same(value, oldValue)) return; 26439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 264416b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 26459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 26499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 26513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 26523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 26539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 26559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 26569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 26619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 26639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 26653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 26663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 26673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 26683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 26693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 26703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 26713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 26723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 26739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 26759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 26769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 26809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 26823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 26859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 26869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 26909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 26929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 26969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 26979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 27039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 27053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 27073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 27083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 27093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 27109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 27129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 27139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 27179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 27193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 27209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 27229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 27239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 27279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 27293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 27303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 27319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 27339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 27349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 27399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 27419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 27423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 27433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 27443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 27453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 27463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 27473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 27483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 27493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 27503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 27513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 27523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 27533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 27543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 27553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 27563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 27579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 27599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 27609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2763c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2764c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2765c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2766c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2767c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 27682988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 27692988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 27709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 27723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 27759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 27769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 27809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 27823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 27833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 27869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 27879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 27929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 27943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 27963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 27973f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 27983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 27993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 28009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 28029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 28039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 28079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 28093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 28109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 28129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 28139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 28179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 28193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 28203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 28219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 28239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 28249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 28259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 282736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 282836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 282936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2830699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2831699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2832699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2833699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 28343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 28353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 28363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 28373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2838f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2839d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 284036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 284136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 284236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 284336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 284436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 284536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 284636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 284736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 28483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 28493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 285036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 285136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 285236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 285336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 285436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 285536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 285636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 285736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 28583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 28593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 28603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 286136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 286236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 286336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 286436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 286536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 286636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 286736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 28686c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 28696c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28706c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 28716c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 28726c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28736c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 28746c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 28756c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28766c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28776c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28786c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 28796c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 28816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28826c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28836c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 28846c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 28856c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28866c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28876c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28886c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 28896c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28906c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 28916c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28926c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28936c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 28946c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 28956c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28966c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28976c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 289824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2899ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 290024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 290124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 290224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 290324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2904ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2905ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 290624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2907ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2908ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2909ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 291024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2911ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 29120402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 29130402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 291424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 291524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 291624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 291724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2918ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2919ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2920ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2921ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2922ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2923ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 292424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2925ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 292624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 292724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 292824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 292924b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 293024b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 293124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 293224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 293324b326a8978bf78e3e560723dde221792784325bWu-cheng Li 293424b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 293524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 293624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 293724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 293824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 293924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2940ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 294124b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 294224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 294324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 294424b326a8978bf78e3e560723dde221792784325bWu-cheng Li 294524b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 294624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 294724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 294824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 294924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 295024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 295124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 295224b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 295324b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 295424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2955ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2956ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2957ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2958d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2959d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 29603773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2961d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2962d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2963d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2964d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2965d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2966d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2967d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2968d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2969d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2970b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2971b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock.</p> 2972d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2973b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, auto-exposure lock, and auto-white balance 2974b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock can be used to capture an exposure-bracketed burst of images, 2975b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * for example.</p> 2976d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2977d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 29783773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 29793773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 29803773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2981d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2982d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 29833773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29843773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 29853773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 29863773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 29873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2988d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 29893773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 29913773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 29923773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29933773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29943773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 29963773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 29973773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29983773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 3000b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure is currently locked, and false otherwise. 30013773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30023773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 30033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30043773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 30053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 30063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 30073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 30083773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 30093773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 30103773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 30113773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 30123773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 30133773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 30143773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30153773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 30163773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 30173773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30183773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 30193773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 30203773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 30213773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 30223773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 30233773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 30243773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 3025d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 3026d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 3027d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 3028d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3029d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 3030d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 3031d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3032d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 3033d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 3034d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 3035d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3036d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 3037d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 3038b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 3039b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * the lock.</p> 3040d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 304116b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 304216b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 304316b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 3044b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, AE lock, and AWB lock can be used to 3045b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * capture an exposure-bracketed burst of images, for example. 3046b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Auto-white balance state, including the lock state, will not be 3047b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * maintained after camera {@link #release()} is called. Locking 3048b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-white balance after {@link #open()} but before the first call to 3049b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * {@link #startPreview()} will not allow the auto-white balance routine 3050b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * to run at all, and may result in severely incorrect color in captured 3051b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * images.</p> 3052d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3053d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 3054d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 3055d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 3056d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3057d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 305816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 3059d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3060d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 3061d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 3062d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3063d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3064d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3065d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 3066d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 3067d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 3068d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 3069d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3070d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 3071d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 3072b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * otherwise. 3073d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3074d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3075d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3076d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3077d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 3078d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 3079d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3080d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3081d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3082d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3083d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 3084d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 3085d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 3086d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3087d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 3088d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3089d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3090d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3091d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 3092d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 3093d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3094d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3095d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3096d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 309736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 30988cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 30998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 310036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 310136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 31028cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 310336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 310436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 31058cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 310636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 310736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 310836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 31098cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 31108cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 31118cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 31128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 31138cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 31148cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 311536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 311636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 311736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 311836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 31198cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 312036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 312136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 312236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 312336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 312436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 312536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 312636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 312736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 312836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 31298cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 31308cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 313136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 313236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 313336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 313436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 313536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 31368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 31378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 31388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 313936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 314036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 314136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 314236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 31438cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 314436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 314536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 314636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 31478cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 31488cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 314936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 31508cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 31518cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 31528cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 31538cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 31548cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 315536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 31568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 31578cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 315836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 315936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 316036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 316136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 316236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 316336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 316436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 316536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 316636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 31678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 31688cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 316936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 317036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 3171e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 317232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 3173e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 317432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 3175e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 317632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 3177e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 3178e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 3179e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 3180d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 318132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 3182699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 318332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 3184699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 3185699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3186699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 318732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3188e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 318932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3190185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 319132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3192e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3193e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3194e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3195e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3196185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3197185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3198185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3199e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3200e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3201e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3202e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3203f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa "output must be a float array with three elements."); 3204e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3205454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3206e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3207e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 320830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 320930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 32107b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 32117b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 321230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 321330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 321430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 321530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 321630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 321730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 321830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 321930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 322030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 322132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 322232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 322330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 322432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 32257b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 322632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 322730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 322832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 322930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 323030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 323130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 323230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3233bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 323432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 323530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 323632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 32374e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 32384e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 32394e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 32404e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 324132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 324230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 324332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 324432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 324532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 324632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 324732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 324830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 324932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 325030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 325130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 325230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 325332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 325430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 325532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 325653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, 325753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}, or 325853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_PICTURE}.</p> 325930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 326030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 326130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 326230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3263f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 326430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 326530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 326630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 326730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 326830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 32697b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 327030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 327130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3272e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3273e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3274e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3275e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3276e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3277e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 32787b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 32797b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3280e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3281e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3282e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3283e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3284e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3285e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3286e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3287e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3288e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 328932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 329032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3291e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 329232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 32937b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 32947b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 329532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3296e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 329732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3298e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3299e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3300e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3301e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3302bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 330332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3304e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 330532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 33064e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 33074e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 33084e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 330932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3310e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 331132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 331232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 331332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 331432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 331532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3316e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 331732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3318e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3319e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3320e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 332132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3322e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 332332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 332432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3325e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3326e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3327e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3328e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3329d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3330e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3331e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3332e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3333e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3334e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3335e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 33367b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3337e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3338e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3339e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3340e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 334130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 334230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 33434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 33444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 33454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 33464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 33474c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 33484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 33494c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 3350464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 33514c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3352c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3353c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 33544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 33554c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 335625d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 33579c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 33589c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 33599c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 33609c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 33619c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 33629c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 33639c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 33649c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 33659c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 33669c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 33679c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 33689c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 33699c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 33709c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 33719c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 337225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 337325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 337425d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 337525d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 337625d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 337725d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 337898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li /** 337998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Returns true if video snapshot is supported. That is, applications 338098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * can call {@link #takePicture(Camera.ShutterCallback, 338198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} 338298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * during recording. Applications do not need to call {@link 338398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #startPreview()} after taking a picture. The preview will be still 338498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * active. Other than that, taking a picture during recording is 338598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * identical to taking a picture normally. All settings and methods 338698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * related to takePicture work identically. Ex: {@link 338798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #getPictureSize()}, {@link #getSupportedPictureSizes()}, {@link 338898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #setJpegQuality(int)}, {@link #setRotation(int)}, and etc. The 338998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * picture will have an EXIF header. {@link #FLASH_MODE_AUTO} and {@link 339098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #FLASH_MODE_ON} also still work, but the video will record the flash. 339198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 339298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Applications can set shutter callback as null to avoid the shutter 339398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * sound. It is also recommended to set raw picture and post view 339498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * callbacks to null to avoid the interrupt of preview display. 339598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 339698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Field-of-view of the recorded video may be different from that of the 339798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * captured pictures. 339898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 339998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @return true if video snapshot is supported. 340098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li */ 340198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li public boolean isVideoSnapshotSupported() { 340298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li String str = get(KEY_VIDEO_SNAPSHOT_SUPPORTED); 340398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li return TRUE.equals(str); 340498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li } 340598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li 3406037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3407037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Enables and disables video stabilization. Use 3408037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #isVideoStabilizationSupported} to determine if calling this 3409037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * method is valid.</p> 3410037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3411037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization reduces the shaking due to the motion of the 3412037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * camera in both the preview stream and in recorded videos, including 3413037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * data received from the preview callback. It does not reduce motion 3414037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * blur in images captured with 3415037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link Camera#takePicture takePicture}.</p> 3416037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3417037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization can be enabled and disabled while preview or 3418037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * recording is active, but toggling it may cause a jump in the video 3419037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * stream that may be undesirable in a recorded video.</p> 3420037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3421037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @param toggle Set to true to enable video stabilization, and false to 3422037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * disable video stabilization. 3423037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3424037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3425037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3426037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public void setVideoStabilization(boolean toggle) { 3427037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala set(KEY_VIDEO_STABILIZATION, toggle ? TRUE : FALSE); 3428037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3429037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3430037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3431037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Get the current state of video stabilization. See 3432037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3433037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3434037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is enabled 3435037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3436037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3437037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3438037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean getVideoStabilization() { 3439037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION); 3440037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3441037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3442037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3443037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3444037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Returns true if video stabilization is supported. See 3445037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3446037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3447037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is supported 3448037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3449037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3450037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3451037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean isVideoStabilizationSupported() { 3452037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION_SUPPORTED); 3453037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3454037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3455037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 34569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 34579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 34599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 34629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 34649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 34669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 34689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 34719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 34739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 34779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 34799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 34809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 34829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 34839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3485454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3486454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3487454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3488454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3489454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3490454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3491454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3492454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3493454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3494454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3495454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3496e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3497454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3498454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3499e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3500e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3501454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3502e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3503e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3504454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3505e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3506e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3507e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 350824b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 350924b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 351024b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 351124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 351224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 351324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 351424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 351524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 351624b326a8978bf78e3e560723dde221792784325bWu-cheng Li 351724b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 351824b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 351924b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 352024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 352124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 352224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 352324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 352424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 352524b326a8978bf78e3e560723dde221792784325bWu-cheng Li 35269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 35279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 35289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 35299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 35309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 35329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 35339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 35349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 35359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 35369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 35389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 35399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 35429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 35439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 35449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 35459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 35479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 35489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 35499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 35509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 35519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 35529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 35549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 35559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3556454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3557454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3558454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3559454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3560454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3561454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3562454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3563454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3564454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3565454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3566454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3567454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3568454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3569454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3570454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3571454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3572454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3573454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3574454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3575454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3576454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3577454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3578454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3579454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3580454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 358130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 358230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 358330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3584f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 358530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 358630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 358730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 358830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 358930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 359030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 359130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 359230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 359330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 359430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 359530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 359630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 359730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 359830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 359930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 360030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 360130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 360230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 360330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 360430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3605f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3606f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3607bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3608f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3609f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3610f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3611f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3612f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3613f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3614f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 361530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 361630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 3617b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li 3618b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li private boolean same(String s1, String s2) { 3619b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 == null && s2 == null) return true; 3620b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 != null && s1.equals(s2)) return true; 3621b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li return false; 3622b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li } 36239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 36249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3625