Camera.java revision 108708b4873fb05cb029b5bcb29a4e917004ca30
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 /** 237341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 238bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 239bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 240bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 241bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 242341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 243341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 244bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 245bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 246bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 247bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 248bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 249bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 250bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 252bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 253bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 254bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 255341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 256a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 257bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 258bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 259facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * example, if the camera is in use by another process or device policy 260facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * manager has disabled the camera). 261facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 262e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 263e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 264e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 265e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 266e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 267e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 268a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 269a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 270a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2717836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 274a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 275a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 276a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 277a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 278a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 279a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 280a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 281a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 282a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 285e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 290e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 302e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3051c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 3061c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * An empty Camera for testing purpose. 3071c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 3081c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera() { 3091c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 3101c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 3119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 312e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala release(); 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 315e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 321bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 322bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3264c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 330bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 331bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 332bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 335bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 33842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 33942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 341bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 343bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 348bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 349bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 350bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 35342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 35442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 35542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 35642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 357bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 358bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 359bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 360bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 362ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 365bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 366bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 367bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 368bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 369bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 37242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 37342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 37442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 375bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 376bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 377bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 381bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 384bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 385fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 386fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 387fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 388fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 390bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 391bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 393bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 398bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 399bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 401bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 402bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 4039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 404bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 405bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 407bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 410b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 411b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 412b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 413b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 414b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 417dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 420fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 421fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 422fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 423fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 424fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 425fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 426fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 427fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 428fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 429fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 430fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 431fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 432fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 433fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 43432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 435e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 436e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 437e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 438e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 439e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 440108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 441108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 442108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 443108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 444108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 445108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.graphics.SurfaceTexture 446108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.view.TextureView 447fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 448fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 449fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 450fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 451fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 452fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 453dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 454fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 455fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 456bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 457bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 458bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 459bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 461bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 462bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 467bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 468341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 470bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 471a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 472df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 473da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 476bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 482bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 483c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 484c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 485c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 487bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 488bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 489bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 490bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 491bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 496bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 497bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 5004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 5014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 502664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang 503664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mShutterCallback = null; 504664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mRawImageCallback = null; 505664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mPostviewCallback = null; 506664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mJpegCallback = null; 507664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mAutoFocusCallback = null; 5089d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = null; 5094c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 5104c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 5114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 5129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 5209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 522108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame in addition 523bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 524bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 525108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * even while preview is live. Any other preview callbacks are 526108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * overridden.</p> 527108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 528108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 529108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 530108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 532bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 533bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 534108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 53994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 540a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 541a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 54294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 546108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for the next preview frame in 547108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * addition to displaying it on the screen. After one invocation, the 548108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * callback is cleared. This method can be called any time, even when 549108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview is live. Any other preview callbacks are overridden.</p> 550108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 551108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 552108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 553108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 555bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 556bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 557108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 56094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 56194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 56294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 56394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 56494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 56594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 56694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 56794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 56894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 569108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame, using 570108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * buffers supplied with {@link #addCallbackBuffer(byte[])}, in addition to 571bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 572108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * for as long as preview is active and buffers are available. Any other 573108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview callbacks are overridden.</p> 57494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 575bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 576bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 577bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 578108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * calling this method -- or no callbacks will received.</p> 57994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 580108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>The buffer queue will be cleared if this method is called with a null 581bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 582108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is 583108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * called.</p> 584108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 585108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 586108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 587108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 58894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 589bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 590bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 591bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 592108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 59394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 59494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 59594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 59694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 59794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 59894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 6023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 6033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 604bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 605bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 606bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 607bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 608bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 609c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 610bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 611e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 612e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 613bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 614bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 615bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 61694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 617bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 618e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 619bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 620bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 621e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 622e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 623e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 62494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 625bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 626bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 6275b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 62894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 629e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 630e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 631e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 632e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 633e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 634e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 635e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 636e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 637e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 638e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 639e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 640e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 648e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 649e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 650e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 651e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 652e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 653e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 654e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 655e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 65632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 65732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 65832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 65932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 66032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 66132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 662e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 663e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 664e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 665e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 666e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 667e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 668e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 669e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 670e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 671e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 672e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 673e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 674e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 675e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 676e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 677e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 678e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 679e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 680e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 681e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 682e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 683e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 684e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 685e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 686e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 687e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 688e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 689e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 690e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 704c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 709c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 710c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 711e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 713e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 716c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 717e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 719e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 722c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 724a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 726a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 727a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 728a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 73094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 731a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 732a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 733a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 73494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 736a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 740e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 741e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 742e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 743e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 744e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 745e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 746c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 747e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 749e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 750e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 751e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 752e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 755e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 758bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 760f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 764c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 766e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 768e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7719d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li case CAMERA_MSG_FOCUS_MOVE: 7729d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li if (mAutoFocusMoveCallback != null) { 7739d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback.onAutoFocusMoving(msg.arg1 == 0 ? false : true, mCamera); 7749d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 7759d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li return; 7769d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 798bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 799bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 8007478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 8017478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 802df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 803df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 8047478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 805df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 806df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 807bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 808bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 81369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 81469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 81569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 81669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 8179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 818b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * The auto-focus routine does not lock auto-exposure and auto-white 819b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * balance after it completes. 82083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 82383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 82483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 82753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li } 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 830bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 831bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 832bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 833bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 834bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 835bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 836bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 837bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 83836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 839bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 840da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 8417478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8427478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 843df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 844df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 845bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 846068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 847068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 848bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8497478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 85053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Auto-exposure lock {@link android.hardware.Camera.Parameters#getAutoExposureLock()} 851b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * and auto-white balance locks {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 852b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * do not change during and after autofocus. But auto-focus routine may stop 853b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure and auto-white balance transiently during focusing. 85483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 85553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Stopping preview with {@link #stopPreview()}, or triggering still 85653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * image capture with {@link #takePicture(Camera.ShutterCallback, 85753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 85853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * the focus position. Applications must call cancelAutoFocus to reset the 85953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus.</p> 86053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 861108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If autofocus is successful, consider using 862108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * {@link android.media.MediaActionSound} to properly play back an autofocus 863108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * success sound to the user.</p> 864108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 866bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 86783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 86883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 869108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 879bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 880bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 881bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 882244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 883bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 884bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 885244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 886244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 887244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 888244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 889244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 890244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 891244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 892244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 893244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 8949d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Callback interface used to notify on auto focus start and stop. 8959d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8969d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * <p>This is useful for continuous autofocus -- {@link Parameters#FOCUS_MODE_CONTINUOUS_VIDEO} 8979d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * and {@link Parameters#FOCUS_MODE_CONTINUOUS_PICTURE}. Applications can 8989d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * show autofocus animation.</p> 8999d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9009d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @hide 9019d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9029d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public interface AutoFocusMoveCallback 9039d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li { 9049d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9059d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Called when the camera auto focus starts or stops. 9069d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9079d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param start true if focus starts to move, false if focus stops to move 9089d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param camera the Camera service object 9099d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9109d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li void onAutoFocusMoving(boolean start, Camera camera); 9119d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9129d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9139d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9149d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Sets camera auto-focus move callback. 9159d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9169d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param cb the callback to run 9179d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @hide 9189d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9199d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public void setAutoFocusMoveCallback(AutoFocusMoveCallback cb) { 9209d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = cb; 9219d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li enableFocusMoveCallback((mAutoFocusMoveCallback != null) ? 1 : 0); 9229d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9239d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9249d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private native void enableFocusMoveCallback(int enable); 9259d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9269d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 927bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 928bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 929bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 934bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 935bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 936bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 937bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 938bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 944bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 945bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 946bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 950bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 951bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 952bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 9539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 961bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 9629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 963bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 967e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 968e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 969e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 970e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 971e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 9739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 9749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 9759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 9769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 977e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 978e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 9799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 9809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 9819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 9829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 9839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 984e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 985bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 986bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 987bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 98842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 98942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 99042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 99140057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 992bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 993bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 99440057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 995bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 996bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 997e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 998bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 999e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 1000e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 1001e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 1004e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 1006e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1007e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 1008e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 1009e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 1010e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 1011e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1012e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 1013e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 1014e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1015e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 1016e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 1017e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1018e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 1019e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 1020e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1021e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1022e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1025e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1026bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 10273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 10283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 1029bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 1030bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 1031bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 1032bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 1033bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 1034bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 1035bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 1036bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 1037bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 103836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 103936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 104036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 10410ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 10420ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 1043bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 104436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 104536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 104636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 104736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 1048bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 10493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 10503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 10518cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 10520ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 10530ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 105436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 105536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 105636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 105736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 10582fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 10592fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 10602fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 1061b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 1062b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 1063b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 1064d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 106569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 10662fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 10672fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 1068d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 106969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 107069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 1071b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 1072724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 1073724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1074724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1075724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1076724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1077724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1078724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1079724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1080724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1081724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1082724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1083724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1084724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1085724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1086b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 10872fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 10882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 10892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 10902fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 10912fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 10922fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 10932fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1094724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1095724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1096b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1097d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1098d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * <p>Starting from API level 14, this method can be called when preview is 1099d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * active. 1100d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1101d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1102e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1103e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 11042fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1105d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1106d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1107d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1108d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1109bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1110bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1111bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1112bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1113e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1115e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1116e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1117bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 111836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 111936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 11203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 112136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 112236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1123e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1124e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1126e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1127e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1128e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 11293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 113036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 11318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 11323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 11338cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1134e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1136e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 11373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1138e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 11399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 11424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 11454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11474c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 11484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 114953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @param faces The detected faces in a list 1150464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @param camera The {@link Camera} service object 11514c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1152f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 11534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11554c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1156c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 11574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 11584c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1160c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 11614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 11634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 11654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1168c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 11694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 11704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 11714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 11724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1173c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 11744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 11754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11768c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 11774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 11788c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * have no effect. The camera uses the detected faces to do auto-white balance, 11798c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * auto exposure, and autofocus. 11808c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11818c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>If the apps call {@link #autoFocus(AutoFocusCallback)}, the camera 11828c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * will stop sending face callbacks. The last face callback indicates the 11838c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * areas used to do autofocus. After focus completes, face detection will 11848c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * resume sending face callbacks. If the apps call {@link 11858c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * #cancelAutoFocus()}, the face callbacks will also resume.</p> 11868c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11878c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>After calling {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 11888c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Camera.PictureCallback)} or {@link #stopPreview()}, and then resuming 11898c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * preview with {@link #startPreview()}, the apps should call this method 11908c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * again to resume face detection.</p> 11914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1192c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 11934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 11944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 11954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 11964c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1197c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 11984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1199c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 12004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 12014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 12024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1203c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 12044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 12054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1208c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 12094c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1210464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 12124c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 12134c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 12144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 12154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 12184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 12194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1221464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * Information about a face identified through camera face detection. 122253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 1223464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * <p>When face detection is used with a camera, the {@link FaceDetectionListener} returns a 1224464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * list of face objects for use in focusing and metering.</p> 12254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1226464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see FaceDetectionListener 12274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1228f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1229c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1230c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1231c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1232bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1233bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1234bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 12354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 12364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 12374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1238c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1239c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 12408c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). It is 12418c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * guaranteed left < right and top < bottom. The coordinates can be 12428c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * smaller than -1000 or bigger than 1000. But at least one vertex will 12438c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * be within (-1000, -1000) and (1000, 1000). 1244f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1245f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1246f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 12478c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. The face bounding 12488c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * rectangle does not provide any information about face orientation.</p> 12498c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12508c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>Here is the matrix to convert driver coordinates to View coordinates 12518c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * in pixels.</p> 12528c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <pre> 12538c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Matrix matrix = new Matrix(); 12548c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId]; 12558c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Need mirror for front camera. 12568c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 12578c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.setScale(mirror ? -1 : 1, 1); 12588c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // This is the value for android.hardware.Camera.setDisplayOrientation. 12598c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postRotate(displayOrientation); 12608c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). 12618c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // UI coordinates range from (0, 0) to (width, height). 12628c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postScale(view.getWidth() / 2000f, view.getHeight() / 2000f); 12638c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postTranslate(view.getWidth() / 2f, view.getHeight() / 2f); 12648c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * </pre> 12654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1266464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1268bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 12694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1271464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The confidence level for the detection of the face. The range is 1 to 100. 100 is the 1272c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * highest confidence. 12734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1274464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1276bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 1277d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1278d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1279d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * An unique id per face while the face is visible to the tracker. If 1280d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the face leaves the field-of-view and comes back, it will get a new 1281d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * id. This is an optional field, may not be supported on all devices. 1282d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * If not supported, id will always be set to -1. The optional fields 1283d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are supported as a set. Either they are all valid, or none of them 1284d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are. 1285d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1286d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public int id = -1; 1287d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1288d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1289d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the left eye. The coordinates are in 1290d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1291d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1292d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1293d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1294d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1295d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point leftEye = null; 1296d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1297d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1298d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the right eye. The coordinates are 1299d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * in the same space as the ones for {@link #rect}.This is an optional 1300d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1301d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1302d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1303d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1304d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point rightEye = null; 1305d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1306d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1307d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the mouth. The coordinates are in 1308d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1309d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1310d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1311d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1312d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1313d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point mouth = null; 13144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 13154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1316bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1317bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1319bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1320bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1321bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1323bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1324bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1325bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1326bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1327bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1328bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 13309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1332bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1352bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 13649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 136699a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1367bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1374bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1375bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1376bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1377bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13881c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * Returns an empty {@link Parameters} for testing purpose. 13891c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 1390f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * @return a Parameter object. 13911c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 13921c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * @hide 13931c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 13941c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li public static Parameters getEmptyParameters() { 13951c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera camera = new Camera(); 13961c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li return camera.new Parameters(); 13971c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 13981c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 13991c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 1400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 14059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14134c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 14144c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 14154c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 14164c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 14174c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 14184c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 14194c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 14204c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 14214c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 14224c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 14234c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 14244c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14254c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 14264c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 14274c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14284c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 14294c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 14304c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 14314c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 143932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 144032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 144132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 144232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 144332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 144432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 144532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 144632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 144732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 144832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 144932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 145032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 145132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 145232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 145332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 145432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 145532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 145632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 145732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 145832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 145932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 146032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1461bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1462bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1463bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1464bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1465bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1466bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1467bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 146830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 146930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 147030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 147130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 147230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 147332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 147432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 147530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 147630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 147730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 147830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 147930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 148030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 148130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 148230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 148330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 148430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 148530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 148630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 148730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 148830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 148930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 149030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 149130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 149230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 149330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 149430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 149530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 149630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 149730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 149830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 149930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 150030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1501bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 150232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 150332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 150432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 150532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 150632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1507bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1508bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1509bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1510bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 151130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 151230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1513bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 151432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 151532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 151632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 151732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 151832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1519bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1520bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1521bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1522bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 152330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1524bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 152530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 152630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1527bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 15289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1530bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1531bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1532bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1533bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 15349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 15369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 15379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1538bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1539bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1540bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1541bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 15449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 15459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 15469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 15479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1548454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 15499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 15509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 15514c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 15529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 15539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 15549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 15559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 15569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 15579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 15589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 15599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 15609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1561055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 15629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 15639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 15649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 15659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 15669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 156736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 156830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 156930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 15706c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 15716c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 15726c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1573ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 157424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 157524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 157624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 15773773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 15783773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1579d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1580d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1581e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1582e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 15838cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 15848cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 15858cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 15868cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 15878cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1588e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1589dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1590dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1591dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 15924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 15934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 159425d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 159598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported"; 1596037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION = "video-stabilization"; 1597037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION_SUPPORTED = "video-stabilization-supported"; 1598e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 15999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 16009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 16019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16028cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 16033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 16048cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 16059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 16069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 16079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 16089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 16099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 16109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 16119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 16129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 16139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 16149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 16169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 16179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 16189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 16199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 16209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 16219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 16229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 16239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 16249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 16259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 16279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 16289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 16299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 16309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 16319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 16339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 16359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 163736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1639068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1640068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 16419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 164336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1645068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1646068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 16479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 164936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 16529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 165436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 165536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1656068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1657068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 165836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1659068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 16609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 166100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 166200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 166300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 166500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 166600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 166700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 166800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 166900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 167100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 167200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 167400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 167600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 167700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 167900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 168100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 168400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 168600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 168900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 169100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 169200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 169300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 169400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 169600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 169700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 169800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 169900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 170100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 170200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 170400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 170600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 170700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 170900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 171100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 171200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 171300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 171400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 171600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 171700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 171800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 171900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 172100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 172200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 172300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 172400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 172500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 172700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 172800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 172900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 173000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 173200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 173300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 173400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 173500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 17379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1738c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1739c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1740c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1741c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1742c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1743c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 174436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1745f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1746f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 174736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 174836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 174936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 175036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 175136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 175236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 175336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 175436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1755f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1756f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1757f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1758f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1759f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1760f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 176136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 176236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 176336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 176436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 176536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 176636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 176736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 176836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 176936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 177036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1771c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1772c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1773c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1774c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1775c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1776c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1777c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1778699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1779d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1780b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1781b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1782b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1783b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1784b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 178553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * set. 178653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 178753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, applications can call {@link 178853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. The focus callback will 178953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * immediately return with a boolean that indicates whether the focus is 179053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * sharp or not. The focus position is locked after autoFocus call. If 179153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * applications want to resume the continuous focus, cancelAutoFocus 179253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * must be called. Restarting the preview will not resume the continuous 179353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * autofocus. To stop continuous focus, applications should change the 179453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus mode to other modes. 179553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 179653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_PICTURE 1797d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1798d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1799699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1800b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1801b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1802b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1803b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 180453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * starts when the parameter is set. 180553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 18060f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * <p>Applications can call {@link #autoFocus(AutoFocusCallback)} in 18070f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * this mode. If the autofocus is in the middle of scanning, the focus 18080f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * callback will return when it completes. If the autofocus is not 18090f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * scanning, the focus callback will immediately return with a boolean 18100f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * that indicates whether the focus is sharp or not. The apps can then 18110f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * decide if they want to take a picture immediately or to change the 18120f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * focus mode to auto, and run a full autofocus cycle. The focus 18130f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * position is locked after autoFocus call. If applications want to 18140f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * resume the continuous focus, cancelAutoFocus must be called. 18150f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * Restarting the preview will not resume the continuous autofocus. To 18160f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * stop continuous focus, applications should change the focus mode to 18170f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * other modes. 1818b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1819b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1820b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1821b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1822b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1823e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1824e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1825e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1826e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1827e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1828e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1829e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1830e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1831e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1832e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1833e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1834e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1835e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1836e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1837e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1838e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1839e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1840e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1841e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1842ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1843454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1844454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1845454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1846454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1847454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1848454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1849454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1850454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1851454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1852454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1853454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1854454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1855454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 18569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 18579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 18589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1859eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 186010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 18619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 18629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 186370fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 18649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 18879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 19089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 19149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 19349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 19379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 19539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1961e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1962f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1963f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1964f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1965f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1966f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1967f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1968f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1969f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1970f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1971f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1972f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1973f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1974f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1975f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1976f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1977f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1978f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1979f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1980f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1981f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1982f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1983e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1984e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1985e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 19889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 19919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 200726274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 200826274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 200926274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 20109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2011c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 2012c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 2013c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 2014c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 2015c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 2016c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 2017c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 2018c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 2019c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 2020c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 2021c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 2024c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 2025c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 2026c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 2027c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 20319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 20369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2037dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 20389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 20399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 20419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 20429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 20439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 20479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 20499c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 20509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 20529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 20539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 20549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 205732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 205832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 2059dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 206032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 2061dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 2062dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 2063dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 2064dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 206532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 2066dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2067dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 2068dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 2069dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 2070dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2071dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 2072dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 2073dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 2074dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2075dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2076dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 2077dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 2078dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 2079dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 2080dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 2081dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 2082dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 2083dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 2084dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 2085dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2086dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 2087dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 2088dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 2089dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 2090dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2091dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 2092dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 2093dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 2094dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2095dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2096dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 209732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 20984c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 209932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 21009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 210132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 210232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2103c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 21059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 2106c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 21079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 21099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 21109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 21119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 21179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 21229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21254c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 21264c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 21273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 21284c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 21294c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 21304c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 21314c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 21324c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 21334c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 21344c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 21354c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 21364c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 21379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 21409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 21439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 21529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 21599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 21629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 21639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 21679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 21719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 21729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2175a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2176a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 21779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 21795f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21815f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 21839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2187a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2188a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2189a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 21909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 21925f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21945f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 21969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 21979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 22019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 22033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 22045f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 22059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22065f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 22089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 22099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2213454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 22141620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2215454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2216454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2217454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2218454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2219454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2220454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2221454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2222454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2223454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2224454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2225454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2226454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2227454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2228454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2229454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2230454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2231454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2232454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2233454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2234454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2235454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2236454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2237454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2238454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2239454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 22405f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2241454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2242454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2243454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2244454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2245454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2246454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2247454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2248454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2249454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2250454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2251454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2252454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2253454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2254454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2255454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2256454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2257454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2258454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2259454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2260454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2261454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2262454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2263454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2264454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2265454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2266454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2267454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 22687478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2269da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2270a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2271df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 22727478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2273df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 2274a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 2275a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 2276a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2277a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2278a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 22799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 22839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 22849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 22929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 22937478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 22943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 22953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 22989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 22999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2302f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2303f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2304f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 23059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 23073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 23119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2312eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2313eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2314eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2315a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2316eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2317eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2318eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 23199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 232232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 23239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 232432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 232532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2326c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2329c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2330c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 23339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 23349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 23359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 23399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 23419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 23429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 23449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 23459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 23469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 23509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 23523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 23559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 23569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 23579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 23619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2363a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2364a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2365a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2366a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 23699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 23719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 23739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 23809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 23823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 23859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 23869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 23909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 23923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 23933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 23969c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 23979c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 23989c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 23999c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2400a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 24019c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 24029c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 24039c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 24049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2408a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2409a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2410a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 241110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2412a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2413a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 241470fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2415a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 24169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 24209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2421a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 24229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2424a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 24259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2427a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 24289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2430a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2431eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 243210a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 243310a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 243410a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 24359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2436a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 24379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2439a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 24409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2441a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 24429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24452fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 24462fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 24472fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 24482fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 24492fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 24502fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 24512fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 24529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 245369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 24542fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 24552fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 24562fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 24572fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 245869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 24592fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 24602fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 24612fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 24622fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 24639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 246469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 24652fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 24662fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 24672fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 24682fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 24692fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 24702fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 247169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 24722fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 2473e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * <pre> 24749a10bf0386ac9822e33a15820d8cd1fd8bdb5572Scott Main * public void onOrientationChanged(int orientation) { 24752fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 24762fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 24772fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 24782fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 24792fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 24802fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 24812fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 24822fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 24832fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 24842fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 24852fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 24862fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 24872fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 2488e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * </pre> 24892fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 24902fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 24912fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 24922fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 24939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 24952fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 25019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 25029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 25039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 25049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 25109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 25199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 25209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 25229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 25249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 25259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 25299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 25319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 25339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 25349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 25389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 25409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 25419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 25439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 25449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2547e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2548055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2549055c986ab841f8f758398841730f1e90313b132aRay Chen * 2550055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2551055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2552055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2553055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2554055c986ab841f8f758398841730f1e90313b132aRay Chen } 2555055c986ab841f8f758398841730f1e90313b132aRay Chen 2556055c986ab841f8f758398841730f1e90313b132aRay Chen /** 25579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 25589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 25599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 25619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 25639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 25649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2565055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 25723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 25733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 25743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 25753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 25763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 25773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 25783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 25793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 25803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 25813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 25829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 258816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 2589b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * auto-white balance lock. It is recommended not to change white 2590b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * balance and AWB lock at the same time. 25919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 25933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 2594037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 25959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 2597b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li String oldValue = get(KEY_WHITE_BALANCE); 2598b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (same(value, oldValue)) return; 25999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 260016b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 26019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 26059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 26073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 26083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 26099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 26119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 26129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 26179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 26199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 26213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 26223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 26233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 26243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 26253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 26263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 26273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 26283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 26299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 26319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 26329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 26369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 26383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 26419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 26429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 26469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 26489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 26529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 26539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 26599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 26613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 26623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 26633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 26643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 26653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 26669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 26689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 26699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 26739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 26753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 26769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 26789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 26799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 26839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26843f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 26853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 26863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 26879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 26899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 26909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 26959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 26979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 26993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 27003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 27013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 27023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 27033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 27043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 27053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 27063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 27073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 27083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 27093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 27103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 27113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 27123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 27139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 27159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 27169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2719c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2720c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2721c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2722c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2723c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 27242988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 27252988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 27269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 27283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 27319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 27329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 27369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 27383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 27393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 27429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 27439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 27489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 27503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 27523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 27533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 27543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 27553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 27569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 27589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 27599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 27639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 27653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 27669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 27689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 27699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 27739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 27753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 27763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 27779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 27799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 27809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 278336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 278436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 278536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2786699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2787699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2788699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2789699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 27903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 27913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 27923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 27933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2794f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2795d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 279636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 279736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 279836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 279936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 280036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 280136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 280236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 280336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 28043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 28053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 280636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 280736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 280836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 280936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 281036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 281136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 281236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 281336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 28143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 28153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 28163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 281736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 281836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 281936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 282036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 282136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 282236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 282336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 28246c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 28256c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28266c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 28276c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 28286c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28296c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 28306c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 28316c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28326c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28336c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28346c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 28356c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28366c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 28376c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28386c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28396c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 28406c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 28416c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28426c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28436c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28446c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 28456c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28466c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 28476c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28486c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28496c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 28506c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 28516c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28526c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28536c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 285424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2855ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 285624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 285724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 285824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 285924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2860ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2861ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 286224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2863ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2864ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2865ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 286624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2867ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 28680402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 28690402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 287024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 287124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 287224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 287324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2874ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2875ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2876ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2877ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2878ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2879ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 288024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2881ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 288224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 288324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 288424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 288524b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 288624b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 288724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 288824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 288924b326a8978bf78e3e560723dde221792784325bWu-cheng Li 289024b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 289124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 289224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 289324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 289424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 289524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2896ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 289724b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 289824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 289924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 290024b326a8978bf78e3e560723dde221792784325bWu-cheng Li 290124b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 290224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 290324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 290424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 290524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 290624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 290724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 290824b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 290924b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 291024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2911ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2912ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2913ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2914d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2915d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 29163773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2917d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2918d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2919d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2920d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2921d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2922d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2923d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2924d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2925d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2926b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2927b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock.</p> 2928d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2929b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, auto-exposure lock, and auto-white balance 2930b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock can be used to capture an exposure-bracketed burst of images, 2931b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * for example.</p> 2932d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2933d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 29343773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 29353773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 29363773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2937d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2938d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 29393773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29403773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 29413773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 29423773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 29433773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2944d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 29453773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29463773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 29473773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 29483773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29493773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29503773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29513773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 29523773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 29533773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29543773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29553773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 2956b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure is currently locked, and false otherwise. 29573773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29583773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 29593773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29603773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29613773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 29623773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 29633773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 29643773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29653773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29663773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29673773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 29683773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 29693773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29703773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29713773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 29723773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 29733773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29743773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29753773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 29763773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 29773773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 29783773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29793773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29803773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 2981d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 2982d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 2983d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 2984d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2985d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 2986d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 2987d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2988d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 2989d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 2990d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 2991d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2992d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2993d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2994b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2995b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * the lock.</p> 2996d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 299716b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 299816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 299916b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 3000b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, AE lock, and AWB lock can be used to 3001b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * capture an exposure-bracketed burst of images, for example. 3002b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Auto-white balance state, including the lock state, will not be 3003b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * maintained after camera {@link #release()} is called. Locking 3004b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-white balance after {@link #open()} but before the first call to 3005b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * {@link #startPreview()} will not allow the auto-white balance routine 3006b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * to run at all, and may result in severely incorrect color in captured 3007b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * images.</p> 3008d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3009d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 3010d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 3011d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 3012d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3013d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 301416b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 3015d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3016d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 3017d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 3018d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3019d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3020d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3021d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 3022d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 3023d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 3024d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 3025d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3026d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 3027d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 3028b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * otherwise. 3029d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3030d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3031d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3032d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3033d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 3034d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 3035d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3036d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3037d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3038d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3039d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 3040d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 3041d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 3042d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3043d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 3044d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3045d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3046d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3047d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 3048d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 3049d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3050d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3051d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3052d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 305336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 30548cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 30558cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 305636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 305736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 30588cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 305936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 306036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 30618cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 306236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 306336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 306436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 30658cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 30668cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 30678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 30688cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 30698cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 30708cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 307136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 307236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 307336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 307436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 30758cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 307636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 307736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 307836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 307936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 308036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 308136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 308236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 308336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 308436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 30858cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 30868cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 308736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 308836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 308936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 309036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 309136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 30928cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 30938cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 30948cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 309536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 309636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 309736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 309836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 30998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 310036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 310136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 310236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 31038cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 31048cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 310536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 31068cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 31078cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 31088cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 31098cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 31108cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 311136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 31128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 31138cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 311436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 311536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 311636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 311736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 311836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 311936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 312036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 312136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 312236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 31238cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 31248cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 312536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 312636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 3127e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 312832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 3129e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 313032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 3131e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 313232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 3133e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 3134e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 3135e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 3136d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 313732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 3138699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 313932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 3140699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 3141699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3142699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 314332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3144e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 314532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3146185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 314732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3148e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3149e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3150e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3151e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3152185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3153185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3154185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3155e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3156e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3157e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3158e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3159f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa "output must be a float array with three elements."); 3160e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3161454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3162e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3163e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 316430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 316530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 31667b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 31677b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 316830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 316930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 317030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 317130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 317230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 317330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 317430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 317530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 317630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 317732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 317832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 317930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 318032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 31817b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 318232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 318330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 318432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 318530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 318630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 318730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 318830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3189bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 319032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 319130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 319232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 31934e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 31944e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 31954e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 31964e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 319732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 319830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 319932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 320032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 320132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 320232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 320332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 320430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 320532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 320630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 320730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 320830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 320932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 321030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 321132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 321253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, 321353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}, or 321453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_PICTURE}.</p> 321530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 321630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 321730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 321830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3219f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 322030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 322130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 322230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 322330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 322430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 32257b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 322630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 322730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3228e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3229e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3230e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3231e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3232e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3233e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 32347b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 32357b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3236e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3237e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3238e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3239e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3240e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3241e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3242e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3243e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3244e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 324532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 324632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3247e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 324832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 32497b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 32507b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 325132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3252e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 325332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3254e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3255e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3256e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3257e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3258bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 325932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3260e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 326132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 32624e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 32634e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 32644e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 326532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3266e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 326732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 326832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 326932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 327032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 327132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3272e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 327332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3274e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3275e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3276e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 327732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3278e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 327932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 328032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3281e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3282e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3283e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3284e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3285d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3286e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3287e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3288e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3289e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3290e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3291e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 32927b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3293e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3294e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3295e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3296e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 329730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 329830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 32994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 33004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 33014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 33024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 33034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 33044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 33054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 3306464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 33074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3308c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3309c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 33104c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 33114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 331225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 33139c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 33149c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 33159c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 33169c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 33179c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 33189c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 33199c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 33209c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 33219c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 33229c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 33239c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 33249c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 33259c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 33269c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 33279c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 332825d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 332925d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 333025d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 333125d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 333225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 333325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 333498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li /** 333598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Returns true if video snapshot is supported. That is, applications 333698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * can call {@link #takePicture(Camera.ShutterCallback, 333798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} 333898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * during recording. Applications do not need to call {@link 333998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #startPreview()} after taking a picture. The preview will be still 334098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * active. Other than that, taking a picture during recording is 334198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * identical to taking a picture normally. All settings and methods 334298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * related to takePicture work identically. Ex: {@link 334398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #getPictureSize()}, {@link #getSupportedPictureSizes()}, {@link 334498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #setJpegQuality(int)}, {@link #setRotation(int)}, and etc. The 334598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * picture will have an EXIF header. {@link #FLASH_MODE_AUTO} and {@link 334698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #FLASH_MODE_ON} also still work, but the video will record the flash. 334798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 334898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Applications can set shutter callback as null to avoid the shutter 334998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * sound. It is also recommended to set raw picture and post view 335098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * callbacks to null to avoid the interrupt of preview display. 335198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 335298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Field-of-view of the recorded video may be different from that of the 335398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * captured pictures. 335498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 335598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @return true if video snapshot is supported. 335698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li */ 335798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li public boolean isVideoSnapshotSupported() { 335898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li String str = get(KEY_VIDEO_SNAPSHOT_SUPPORTED); 335998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li return TRUE.equals(str); 336098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li } 336198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li 3362037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3363037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Enables and disables video stabilization. Use 3364037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #isVideoStabilizationSupported} to determine if calling this 3365037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * method is valid.</p> 3366037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3367037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization reduces the shaking due to the motion of the 3368037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * camera in both the preview stream and in recorded videos, including 3369037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * data received from the preview callback. It does not reduce motion 3370037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * blur in images captured with 3371037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link Camera#takePicture takePicture}.</p> 3372037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3373037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization can be enabled and disabled while preview or 3374037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * recording is active, but toggling it may cause a jump in the video 3375037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * stream that may be undesirable in a recorded video.</p> 3376037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3377037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @param toggle Set to true to enable video stabilization, and false to 3378037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * disable video stabilization. 3379037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3380037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3381037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3382037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public void setVideoStabilization(boolean toggle) { 3383037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala set(KEY_VIDEO_STABILIZATION, toggle ? TRUE : FALSE); 3384037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3385037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3386037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3387037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Get the current state of video stabilization. See 3388037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3389037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3390037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is enabled 3391037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3392037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3393037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3394037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean getVideoStabilization() { 3395037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION); 3396037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3397037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3398037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3399037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3400037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Returns true if video stabilization is supported. See 3401037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3402037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3403037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is supported 3404037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3405037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3406037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3407037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean isVideoStabilizationSupported() { 3408037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION_SUPPORTED); 3409037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3410037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3411037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 34129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 34139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 34159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 34189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 34209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 34229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 34249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 34279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 34299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 34339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 34359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 34369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 34389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 34399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3441454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3442454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3443454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3444454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3445454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3446454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3447454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3448454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3449454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3450454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3451454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3452e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3453454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3454454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3455e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3456e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3457454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3458e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3459e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3460454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3461e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3462e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3463e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 346424b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 346524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 346624b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 346724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 346824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 346924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 347024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 347124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 347224b326a8978bf78e3e560723dde221792784325bWu-cheng Li 347324b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 347424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 347524b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 347624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 347724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 347824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 347924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 348024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 348124b326a8978bf78e3e560723dde221792784325bWu-cheng Li 34829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 34839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 34859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 34899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 34919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 34929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 34949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 34959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 34989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 34999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 35009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 35019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 35039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 35049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 35059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 35069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 35079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 35089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 35109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 35119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3512454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3513454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3514454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3515454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3516454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3517454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3518454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3519454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3520454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3521454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3522454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3523454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3524454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3525454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3526454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3527454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3528454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3529454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3530454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3531454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3532454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3533454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3534454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3535454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3536454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 353730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 353830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 353930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3540f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 354130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 354230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 354330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 354430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 354530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 354630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 354730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 354830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 354930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 355030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 355130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 355230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 355330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 355430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 355530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 355630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 355730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 355830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 355930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 356030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3561f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3562f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3563bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3564f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3565f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3566f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3567f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3568f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3569f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3570f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 357130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 357230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 3573b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li 3574b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li private boolean same(String s1, String s2) { 3575b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 == null && s2 == null) return true; 3576b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 != null && s1.equals(s2)) return true; 3577b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li return false; 3578b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li } 35799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 35809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3581