Camera.java revision cb56923ba6350cf7441260886f6e8a1c6785886d
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 * 440fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 441fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 442fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 443fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 444fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 445fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 446dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 447fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 448fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 449bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 450bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 451bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 452bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 453bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 454bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 455bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 461341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 464a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 465df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 466da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 469bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 475bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 476c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 477c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 478c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 479bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 480bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 481bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 482bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 483bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 484bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 489bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 490bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 4934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 4944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 495664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang 496664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mShutterCallback = null; 497664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mRawImageCallback = null; 498664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mPostviewCallback = null; 499664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mJpegCallback = null; 500664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mAutoFocusCallback = null; 5019d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = null; 5024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 5034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 5044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 5059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 5139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 516bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 517bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 518bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 521bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 52694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 527a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 528a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 52994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 533bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 534bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 535bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 536bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 538bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 539bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 54294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 54394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 54494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 54594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 54694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 54794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 54894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 54994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 55094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 551bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 552bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 553bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 554bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 555bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 55694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 557bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 558bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 559bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 560bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 56194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 562bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 563bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 564bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 56594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 566bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 567bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 568bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 56994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 57094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 57194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 57294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 57394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 57494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 580bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 581bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 582bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 583bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 584bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 585c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 586bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 589bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 590bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 591bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 59294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 593bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 594e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 595bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 596bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 597e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 598e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 599e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 60094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 601bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 602bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 6035b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 60494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 605e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 606e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 607e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 608e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 609e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 610e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 611e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 612e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 613e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 614e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 615e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 616e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 617e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 618e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 619e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 620e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 621e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 622e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 623e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 624e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 625e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 626e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 627e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 628e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 629e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 630e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 631e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 63232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 63332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 63432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 63532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 63632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 63732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 638e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 639e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 640e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 648e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 649e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 650e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 651e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 652e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 653e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 654e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 655e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 656e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 657e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 658e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 659e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 660e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 661e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 662e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 663e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 664e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 665e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 666e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 680c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 685c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 686c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 687e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 689e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 692c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 693e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 695e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 698c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 700a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 702a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 703a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 704a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 70694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 707a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 708a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 709a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 71094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 712a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 716e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 717e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 718e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 719e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 720e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 721e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 722c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 723e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 725e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 726e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 727e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 728e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 731e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 734bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 736f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 740c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 742e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 744e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li case CAMERA_MSG_FOCUS_MOVE: 7489d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li if (mAutoFocusMoveCallback != null) { 7499d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback.onAutoFocusMoving(msg.arg1 == 0 ? false : true, mCamera); 7509d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 7519d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li return; 7529d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 774bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 775bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 7767478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 7777478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 778df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 779df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 7807478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 781df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 782df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 783bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 784bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 78969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 79069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 79169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 79269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 794b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * The auto-focus routine does not lock auto-exposure and auto-white 795b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * balance after it completes. 79683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 79983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 80083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 80353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li } 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 806bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 807bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 808bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 809bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 810bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 811bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 812bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 813bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 81436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 815bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 816da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 8177478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8187478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 819df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 820df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 821bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 822068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 823068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 824bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8257478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 82653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Auto-exposure lock {@link android.hardware.Camera.Parameters#getAutoExposureLock()} 827b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * and auto-white balance locks {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 828b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * do not change during and after autofocus. But auto-focus routine may stop 829b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure and auto-white balance transiently during focusing. 83083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 83153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Stopping preview with {@link #stopPreview()}, or triggering still 83253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * image capture with {@link #takePicture(Camera.ShutterCallback, 83353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 83453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * the focus position. Applications must call cancelAutoFocus to reset the 83553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus.</p> 83653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 838bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 83983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 84083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 850bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 851bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 852bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 853244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 854bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 855bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 856244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 857244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 858244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 859244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 860244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 861244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 862244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 863244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 864244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 8659d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Callback interface used to notify on auto focus start and stop. 8669d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8679d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * <p>This is useful for continuous autofocus -- {@link Parameters#FOCUS_MODE_CONTINUOUS_VIDEO} 8689d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * and {@link Parameters#FOCUS_MODE_CONTINUOUS_PICTURE}. Applications can 8699d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * show autofocus animation.</p> 8709d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8719d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @hide 8729d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 8739d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public interface AutoFocusMoveCallback 8749d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li { 8759d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 8769d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Called when the camera auto focus starts or stops. 8779d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8789d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param start true if focus starts to move, false if focus stops to move 8799d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param camera the Camera service object 8809d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 8819d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li void onAutoFocusMoving(boolean start, Camera camera); 8829d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 8839d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 8849d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 8859d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Sets camera auto-focus move callback. 8869d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8879d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param cb the callback to run 8889d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @hide 8899d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 8909d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public void setAutoFocusMoveCallback(AutoFocusMoveCallback cb) { 8919d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = cb; 8929d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li enableFocusMoveCallback((mAutoFocusMoveCallback != null) ? 1 : 0); 8939d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 8949d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 8959d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private native void enableFocusMoveCallback(int enable); 8969d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 8979d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 898bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 899bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 900bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 905bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 906bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 907bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 908bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 909bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 915bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 916bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 917bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 921bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 922bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 923bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 9249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 932bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 9339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 934bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 938e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 939e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 940e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 941e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 942e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 9449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 9459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 9469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 9479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 948e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 949e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 9509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 9519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 9529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 9539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 9549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 955e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 956bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 957bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 958bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 95942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 96042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 96142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 96240057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 963bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 964bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 96540057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 966bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 967bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 968e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 969bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 970e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 971e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 972e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 975e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 977e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 978e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 979e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 980e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 981e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 982e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 983e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 984e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 985e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 986e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 987e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 988e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 989e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 990e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 991e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 992e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 993e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 996e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 997bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 9983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 9993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 1000bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 1001bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 1002bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 1003bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 1004bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 1005bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 1006bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 1007bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 1008bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 100936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 101036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 101136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 10120ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 10130ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 1014bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 101536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 101636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 101736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 101836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 1019bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 10203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 10213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 10228cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 10230ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 10240ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 102536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 102636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 102736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 102836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 10292fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 10302fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 10312fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 1032b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 1033b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 1034b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 1035d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 103669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 10372fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 10382fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 1039d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 104069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 104169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 1042b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 1043724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 1044724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1045724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1046724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1047724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1048724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1049724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1050724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1051724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1052724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1053724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1054724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1055724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1056724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1057b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 10582fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 10592fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 10602fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 10612fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 10622fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 10632fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 10642fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1065724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1066724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1067b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1068d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1069d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * <p>Starting from API level 14, this method can be called when preview is 1070d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * active. 1071d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1072d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1073e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1074e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 10752fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1076d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1077d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1078d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1079d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1080bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1081bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1082bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1083bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1084e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1086e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1087e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1088bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 108936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 109036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 10913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 109236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 109336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1094e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1095e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1097e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1098e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1099e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 11003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 110136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 11028cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 11033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 11048cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1105e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1107e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 11083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1109e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 11109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11124c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 11134c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 11164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 11194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 112053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @param faces The detected faces in a list 1121464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @param camera The {@link Camera} service object 11224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1123f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 11244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11264c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1127c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 11284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 11294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1131c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 11324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 11344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 11364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1139c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 11404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 11414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 11424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 11434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1144c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 11454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 11464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11478c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 11484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 11498c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * have no effect. The camera uses the detected faces to do auto-white balance, 11508c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * auto exposure, and autofocus. 11518c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11528c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>If the apps call {@link #autoFocus(AutoFocusCallback)}, the camera 11538c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * will stop sending face callbacks. The last face callback indicates the 11548c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * areas used to do autofocus. After focus completes, face detection will 11558c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * resume sending face callbacks. If the apps call {@link 11568c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * #cancelAutoFocus()}, the face callbacks will also resume.</p> 11578c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11588c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>After calling {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 11598c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Camera.PictureCallback)} or {@link #stopPreview()}, and then resuming 11608c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * preview with {@link #startPreview()}, the apps should call this method 11618c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * again to resume face detection.</p> 11624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1163c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 11644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 11654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 11664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 11674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1168c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 11694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1170c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 11714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 11724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 11734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1174c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 11754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 11764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1179c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 11804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1181464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 11824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 11844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 11854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 11864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 11894c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 11904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1192464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * Information about a face identified through camera face detection. 119353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 1194464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * <p>When face detection is used with a camera, the {@link FaceDetectionListener} returns a 1195464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * list of face objects for use in focusing and metering.</p> 11964c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1197464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see FaceDetectionListener 11984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1199f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1200c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1201c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1202c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1203bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1204bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1205bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 12064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 12074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 12084c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1209c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1210c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 12118c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). It is 12128c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * guaranteed left < right and top < bottom. The coordinates can be 12138c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * smaller than -1000 or bigger than 1000. But at least one vertex will 12148c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * be within (-1000, -1000) and (1000, 1000). 1215f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1216f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1217f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 12188c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. The face bounding 12198c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * rectangle does not provide any information about face orientation.</p> 12208c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12218c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>Here is the matrix to convert driver coordinates to View coordinates 12228c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * in pixels.</p> 12238c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <pre> 12248c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Matrix matrix = new Matrix(); 12258c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId]; 12268c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Need mirror for front camera. 12278c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 12288c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.setScale(mirror ? -1 : 1, 1); 12298c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // This is the value for android.hardware.Camera.setDisplayOrientation. 12308c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postRotate(displayOrientation); 12318c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). 12328c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // UI coordinates range from (0, 0) to (width, height). 12338c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postScale(view.getWidth() / 2000f, view.getHeight() / 2000f); 12348c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postTranslate(view.getWidth() / 2f, view.getHeight() / 2f); 12358c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * </pre> 12364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1237464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1239bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 12404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1242464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The confidence level for the detection of the face. The range is 1 to 100. 100 is the 1243c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * highest confidence. 12444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1245464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1247bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 1248d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1249d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1250d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * An unique id per face while the face is visible to the tracker. If 1251d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the face leaves the field-of-view and comes back, it will get a new 1252d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * id. This is an optional field, may not be supported on all devices. 1253d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * If not supported, id will always be set to -1. The optional fields 1254d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are supported as a set. Either they are all valid, or none of them 1255d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are. 1256d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1257d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public int id = -1; 1258d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1259d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1260d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the left eye. The coordinates are in 1261d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1262d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1263d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1264d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1265d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1266d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point leftEye = null; 1267d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1268d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1269d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the right eye. The coordinates are 1270d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * in the same space as the ones for {@link #rect}.This is an optional 1271d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1272d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1273d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1274d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1275d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point rightEye = null; 1276d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1277d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1278d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the mouth. The coordinates are in 1279d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1280d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1281d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1282d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1283d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1284d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point mouth = null; 12854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1287bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1288bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1289bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1290bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1291bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1292bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1294bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1295bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1296bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1297bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1298bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1299bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 13019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1303bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1304bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1305bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1323bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 13359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 133799a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1346bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1348bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1349bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13591c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * Returns an empty {@link Parameters} for testing purpose. 13601c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 1361f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * @return a Parameter object. 13621c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 13631c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * @hide 13641c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 13651c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li public static Parameters getEmptyParameters() { 13661c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera camera = new Camera(); 13671c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li return camera.new Parameters(); 13681c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 13691c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 13701c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 1371bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 13769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13844c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 13854c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 13864c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 13874c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 13884c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 13894c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 13904c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 13914c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 13924c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 13934c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 13944c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 13954c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13964c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 13974c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 13984c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13994c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 14004c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 14014c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 14024c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 141032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 141132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 141232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 141332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 141432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 141532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 141632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 141732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 141832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 141932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 142032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 142132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 142232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 142332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 142432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 142532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 142632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 142732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 142832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 142932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 143032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 143132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1432bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1433bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1434bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1435bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1436bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1437bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1438bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 143930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 144030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 144130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 144230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 144330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 144432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 144532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 144630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 144730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 144830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 144930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 145030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 145130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 145230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 145330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 145430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 145530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 145630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 145730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 145830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 145930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 146030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 146130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 146230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 146330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 146430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 146530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 146630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 146730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 146830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 146930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 147030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 147130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1472bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 147332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 147432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 147532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 147632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 147732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1478bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1479bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1480bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1481bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 148230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 148330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1484bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 148532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 148632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 148732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 148832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 148932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1490bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1491bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1492bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1493bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 149430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1495bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 149630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 149730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1498bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 14999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1501bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1502bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1503bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1504bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 15059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 15079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 15089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1509bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1510bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1511bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1512bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 15159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 15169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 15179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 15189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1519454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 15209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 15219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 15224c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 15239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 15249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 15259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 15269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 15279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 15289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 15299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 15309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 15319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1532055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 15339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 15349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 15359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 15369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 15379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 153836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 153930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 154030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 15416c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 15426c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 15436c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1544ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 154524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 154624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 154724b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 15483773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 15493773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1550d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1551d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1552e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1553e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 15548cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 15558cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 15568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 15578cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 15588cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1559e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1560dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1561dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1562dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 15634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 15644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 156525d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 156698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported"; 1567037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION = "video-stabilization"; 1568037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION_SUPPORTED = "video-stabilization-supported"; 1569e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 15709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 15719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 15729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15738cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 15743773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 15758cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 15769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 15779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 15789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 15799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 15809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 15819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 15829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 15839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 15849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 15859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 15879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 15889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 15899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 15909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 15919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 15929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 15939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 15949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 15959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 15969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 15989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 15999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 16009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 16019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 16029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 16049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 16069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 160836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1610068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1611068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 16129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 161436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1616068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1617068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 16189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 162036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 16239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 162536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 162636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1627068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1628068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 162936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1630068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 16319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 163200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 163300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 163400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 163600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 163700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 163800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 163900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 164000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 164200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 164300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 164400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 164500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 164700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 164800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 164900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 165000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 165200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 165300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 165400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 165500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 165700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 165800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 165900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 166000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 166200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 166300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 166400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 166500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 166700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 166800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 166900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 167000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 167200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 167300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 167500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 167700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 167800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 168000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 168200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 168500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 168700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 169000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 169200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 169300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 169400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 169500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 169600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 169800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 169900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 170100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 170300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 170400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 170600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 17089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1709c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1710c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1711c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1712c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1713c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1714c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 171536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1716f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1717f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 171836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 171936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 172036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 172136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 172236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 172336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 172436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 172536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1726f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1727f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1728f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1729f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1730f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1731f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 173236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 173336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 173436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 173536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 173636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 173736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 173836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 173936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 174036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 174136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1742c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1743c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1744c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1745c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1746c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1747c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1748c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1749699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1750d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1751b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1752b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1753b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1754b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1755b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 175653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * set. 175753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 175853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, applications can call {@link 175953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. The focus callback will 176053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * immediately return with a boolean that indicates whether the focus is 176153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * sharp or not. The focus position is locked after autoFocus call. If 176253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * applications want to resume the continuous focus, cancelAutoFocus 176353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * must be called. Restarting the preview will not resume the continuous 176453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * autofocus. To stop continuous focus, applications should change the 176553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus mode to other modes. 176653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 176753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_PICTURE 1768d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1769d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1770699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1771b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1772b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1773b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1774b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 177553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * starts when the parameter is set. 177653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 17770f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * <p>Applications can call {@link #autoFocus(AutoFocusCallback)} in 17780f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * this mode. If the autofocus is in the middle of scanning, the focus 17790f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * callback will return when it completes. If the autofocus is not 17800f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * scanning, the focus callback will immediately return with a boolean 17810f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * that indicates whether the focus is sharp or not. The apps can then 17820f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * decide if they want to take a picture immediately or to change the 17830f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * focus mode to auto, and run a full autofocus cycle. The focus 17840f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * position is locked after autoFocus call. If applications want to 17850f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * resume the continuous focus, cancelAutoFocus must be called. 17860f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * Restarting the preview will not resume the continuous autofocus. To 17870f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * stop continuous focus, applications should change the focus mode to 17880f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * other modes. 1789b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1790b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1791b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1792b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1793b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1794e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1795e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1796e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1797e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1798e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1799e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1800e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1801e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1802e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1803e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1804e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1805e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1806e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1807e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1808e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1809e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1810e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1811e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1812e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1813ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1814454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1815454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1816454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1817454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1818454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1819454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1820454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1821454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1822454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1823454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1824454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1825454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1826454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 18279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 18289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 18299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1830eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 183110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 18329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 18339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 183470fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 18359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 18589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 18639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 18799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 18859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 19059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 1910cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (key.indexOf('=') != -1 || key.indexOf(';') != -1 || key.indexOf(0) != -1) { 1911cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ; or \\0)"); 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1914cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (value.indexOf('=') != -1 || value.indexOf(';') != -1 || value.indexOf(0) != -1) { 1915cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ; or \\0)"); 19169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 19249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1932e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1933f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1934f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1935f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1936f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1937f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1938f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1939f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1940f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1941f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1942f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1943f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1944f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1945f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1946f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1947f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1948f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1949f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1950f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1951f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1952f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1953f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1954e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1955e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1956e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 19599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 19699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 19729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 197826274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 197926274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 198026274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 19819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1982c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1983c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1984c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1985c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1986c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1987c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1988c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1989c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1990c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1991c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1992c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1995c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1996c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1997c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1998c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 20029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2008dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 20129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 20139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 20149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 20189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 20209c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 20219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 20239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 20249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 202832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 202932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 2030dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 203132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 2032dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 2033dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 2034dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 2035dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 203632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 2037dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2038dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 2039dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 2040dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 2041dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2042dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 2043dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 2044dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 2045dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2046dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2047dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 2048dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 2049dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 2050dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 2051dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 2052dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 2053dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 2054dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 2055dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 2056dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2057dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 2058dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 2059dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 2060dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 2061dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2062dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 2063dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 2064dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 2065dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2066dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2067dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 206832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 20694c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 207032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 20719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 207232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 207332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2074c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 20759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 2077c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 20789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 20809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 20819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 20829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 20869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 20889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 20899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 20919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 20929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 20939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20964c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 20974c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 20983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 20994c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 21004c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 21014c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 21024c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 21034c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 21044c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 21054c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 21064c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 21074c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 21089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 21119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 21159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 21199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 21219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 21239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 21249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 21339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 21349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 21389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2146a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2147a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 21489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 21505f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21525f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 21549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2158a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2159a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2160a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 21619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 21635f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21655f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 21679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 21729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 21743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 21755f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 21769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21775f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 21799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 21809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2184454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 21851620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2186454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2187454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2188454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2189454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2190454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2191454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2192454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2193454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2194454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2195454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2196454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2197454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2198454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2199454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2200454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2201454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2202454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2203454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2204454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2205454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2206454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2207454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2208454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2209454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2210454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 22115f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2212454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2213454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2214454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2215454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2216454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2217454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2218454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2219454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2220454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2221454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2222454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2223454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2224454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2225454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2226454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2227454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2228454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2229454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2230454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2231454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2232454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2233454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2234454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2235454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2236454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2237454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2238454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 22397478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2240da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2241a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2242df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 22437478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2244df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 2245a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 2246a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 2247a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2248a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2249a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 22529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 22539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 22549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 22559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 22569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 22599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 22639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 22647478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 22653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 22663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 22699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 22709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2273f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2274f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2275f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 22769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 22783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 22793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 22829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2283eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2284eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2285eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2286a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2287eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2288eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2289eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 229332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 22949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 229532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 229632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2297c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 22989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 22999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2300c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2301c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 23029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 23059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 23069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 23109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 23129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 23139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 23159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 23169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 23179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 23219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 23233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 23269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 23279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 23329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2334a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2335a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2336a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2337a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 23389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 23409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 23419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 23429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 23449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 23519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 23533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 23569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 23579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 23619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 23633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 23643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 23679c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 23689c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 23699c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 23709c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2371a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 23729c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 23739c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 23749c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2379a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2380a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2381a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 238210a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2383a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2384a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 238570fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2386a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2392a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2395a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2398a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2400eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2401a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2402eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 240310a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 240410a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 240510a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 24069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2407a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2410a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 24119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2412a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 24172fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 24182fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 24192fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 24202fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 24212fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 24222fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 24239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 242469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 24252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 24262fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 24272fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 24282fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 242969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 24302fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 24312fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 24322fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 24332fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 24349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 243569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 24362fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 24372fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 24382fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 24392fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 24402fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 24412fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 244269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 24432fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 2444e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * <pre> 24459a10bf0386ac9822e33a15820d8cd1fd8bdb5572Scott Main * public void onOrientationChanged(int orientation) { 24462fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 24472fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 24482fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 24492fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 24502fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 24512fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 24522fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 24532fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 24542fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 24552fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 24562fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 24572fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 24582fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 2459e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * </pre> 24602fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 24612fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 24622fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 24632fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 24649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 24659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 24662fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 24699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 24709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 24719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 24729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 24739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 24749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 24759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 24809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 24819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 24839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 24859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 24869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 24909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 24919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 24939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 24959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 25029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 25049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2518e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2519055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2520055c986ab841f8f758398841730f1e90313b132aRay Chen * 2521055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2522055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2523055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2524055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2525055c986ab841f8f758398841730f1e90313b132aRay Chen } 2526055c986ab841f8f758398841730f1e90313b132aRay Chen 2527055c986ab841f8f758398841730f1e90313b132aRay Chen /** 25289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 25299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 25309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 25329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 25339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 25349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 25359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2536055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 25379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 25419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 25433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 25443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 25453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 25463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 25473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 25483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 25493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 25503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 25513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 25523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 25539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 25559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 25569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 255916b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 2560b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * auto-white balance lock. It is recommended not to change white 2561b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * balance and AWB lock at the same time. 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 25643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 2565037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 2568b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li String oldValue = get(KEY_WHITE_BALANCE); 2569b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (same(value, oldValue)) return; 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 257116b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 25729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 25769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 25783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 25793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 25809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 25829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 25839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 25889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 25913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 25923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 25933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 25943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 25953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 25963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 25973f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 25983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 25993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 26009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 26029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 26039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 26079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 26093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 26129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 26139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 26179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 26199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 26239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 26249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 26309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 26323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 26333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 26343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 26353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 26363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 26379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 26399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 26409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 26449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 26463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 26479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 26499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 26509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 26549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 26563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 26573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 26589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 26609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 26619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 26669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 26689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 26703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 26713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 26723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 26733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 26743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 26753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 26763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 26773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 26783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 26793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 26803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 26813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 26823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 26833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 26849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 26869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 26879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2690c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2691c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2692c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2693c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2694c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 26952988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 26962988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 26979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 26993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 27029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 27039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 27079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 27093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 27103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 27139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 27149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 27199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 27213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 27233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 27243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 27253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 27263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 27279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 27299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 27309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 27349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 27363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 27379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 27399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 27409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 27449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 27463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 27473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 27489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 27509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 27519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 275436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 275536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 275636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2757699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2758699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2759699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2760699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 27613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 27623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 27633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 27643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2765f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2766d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 276736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 276836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 276936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 277036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 277136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 277236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 277336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 277436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 27753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 27763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 277736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 277836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 277936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 278036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 278136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 278236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 278336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 278436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 27853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 27863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 27873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 278836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 278936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 279036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 279136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 279236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 279336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 279436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 27956c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 27966c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 27976c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 27986c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 27996c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28006c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 28016c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 28026c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28036c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28046c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28056c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 28066c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28076c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 28086c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28096c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28106c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 28116c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 28126c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28136c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28146c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28156c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 28166c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28176c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 28186c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28196c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28206c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 28216c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 28226c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28236c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28246c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 282524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2826ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 282724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 282824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 282924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 283024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2831ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2832ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 283324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2834ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2835ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2836ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 283724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2838ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 28390402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 28400402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 284124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 284224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 284324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 284424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2845ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2846ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2847ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2848ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2849ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2850ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 285124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2852ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 285324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 285424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 285524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 285624b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 285724b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 285824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 285924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 286024b326a8978bf78e3e560723dde221792784325bWu-cheng Li 286124b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 286224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 286324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 286424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 286524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 286624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2867ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 286824b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 286924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 287024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 287124b326a8978bf78e3e560723dde221792784325bWu-cheng Li 287224b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 287324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 287424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 287524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 287624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 287724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 287824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 287924b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 288024b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 288124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2882ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2883ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2884ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2885d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2886d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 28873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2888d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2889d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2890d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2891d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2892d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2893d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2894d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2895d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2896d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2897b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2898b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock.</p> 2899d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2900b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, auto-exposure lock, and auto-white balance 2901b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock can be used to capture an exposure-bracketed burst of images, 2902b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * for example.</p> 2903d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2904d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 29053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 29063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 29073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2908d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2909d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 29103773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29113773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 29123773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 29133773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 29143773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2915d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 29163773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29173773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 29183773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 29193773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29203773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29213773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29223773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 29233773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 29243773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29253773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29263773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 2927b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure is currently locked, and false otherwise. 29283773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29293773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 29303773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29313773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29323773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 29333773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 29343773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 29353773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29363773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29373773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29383773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 29393773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 29403773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29413773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29423773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 29433773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 29443773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29453773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29463773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 29473773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 29483773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 29493773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29503773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29513773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 2952d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 2953d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 2954d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 2955d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2956d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 2957d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 2958d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2959d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 2960d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 2961d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 2962d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2963d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2964d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2965b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2966b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * the lock.</p> 2967d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 296816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 296916b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 297016b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 2971b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, AE lock, and AWB lock can be used to 2972b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * capture an exposure-bracketed burst of images, for example. 2973b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Auto-white balance state, including the lock state, will not be 2974b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * maintained after camera {@link #release()} is called. Locking 2975b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-white balance after {@link #open()} but before the first call to 2976b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * {@link #startPreview()} will not allow the auto-white balance routine 2977b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * to run at all, and may result in severely incorrect color in captured 2978b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * images.</p> 2979d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2980d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 2981d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 2982d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 2983d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2984d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 298516b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 2986d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2987d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 2988d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 2989d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2990d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2991d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2992d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 2993d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 2994d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 2995d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 2996d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2997d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 2998d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 2999b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * otherwise. 3000d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3001d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3002d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3003d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3004d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 3005d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 3006d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3007d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3008d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3009d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3010d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 3011d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 3012d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 3013d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3014d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 3015d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3016d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3017d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3018d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 3019d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 3020d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3021d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3022d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3023d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 302436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 30258cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 30268cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 302736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 302836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 30298cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 303036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 303136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 30328cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 303336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 303436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 303536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 30368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 30378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 30388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 30398cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 30408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 30418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 304236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 304336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 304436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 304536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 30468cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 304736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 304836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 304936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 305036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 305136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 305236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 305336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 305436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 305536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 30568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 30578cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 305836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 305936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 306036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 306136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 306236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 30638cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 30648cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 30658cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 306636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 306736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 306836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 306936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 30708cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 307136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 307236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 307336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 30748cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 30758cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 307636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 30778cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 30788cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 30798cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 30808cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 30818cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 308236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 30838cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 30848cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 308536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 308636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 308736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 308836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 308936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 309036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 309136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 309236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 309336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 30948cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 30958cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 309636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 309736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 3098e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 309932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 3100e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 310132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 3102e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 310332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 3104e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 3105e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 3106e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 3107d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 310832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 3109699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 311032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 3111699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 3112699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3113699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 311432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3115e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 311632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3117185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 311832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3119e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3120e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3121e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3122e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3123185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3124185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3125185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3126e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3127e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3128e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3129e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3130f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa "output must be a float array with three elements."); 3131e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3132454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3133e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3134e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 313530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 313630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 31377b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 31387b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 313930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 314030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 314130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 314230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 314330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 314430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 314530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 314630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 314730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 314832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 314932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 315030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 315132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 31527b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 315332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 315430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 315532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 315630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 315730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 315830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 315930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3160bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 316132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 316230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 316332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 31644e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 31654e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 31664e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 31674e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 316832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 316930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 317032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 317132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 317232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 317332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 317432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 317530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 317632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 317730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 317830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 317930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 318032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 318130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 318232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 318353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, 318453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}, or 318553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_PICTURE}.</p> 318630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 318730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 318830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 318930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3190f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 319130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 319230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 319330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 319430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 319530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 31967b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 319730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 319830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3199e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3200e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3201e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3202e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3203e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3204e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 32057b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 32067b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3207e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3208e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3209e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3210e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3211e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3212e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3213e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3214e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3215e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 321632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 321732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3218e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 321932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 32207b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 32217b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 322232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3223e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 322432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3225e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3226e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3227e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3228e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3229bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 323032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3231e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 323232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 32334e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 32344e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 32354e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 323632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3237e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 323832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 323932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 324032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 324132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 324232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3243e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 324432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3245e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3246e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3247e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 324832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3249e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 325032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 325132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3252e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3253e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3254e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3255e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3256d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3257e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3258e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3259e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3260e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3261e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3262e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 32637b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3264e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3265e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3266e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3267e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 326830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 326930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 32704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 32714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 32724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 32734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 32744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 32754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 32764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 3277464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 32784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3279c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3280c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 32814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 32824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 328325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 32849c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 32859c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 32869c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 32879c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 32889c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 32899c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 32909c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 32919c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 32929c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 32939c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 32949c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 32959c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 32969c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 32979c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 32989c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 329925d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 330025d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 330125d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 330225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 330325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 330425d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 330598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li /** 330698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Returns true if video snapshot is supported. That is, applications 330798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * can call {@link #takePicture(Camera.ShutterCallback, 330898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} 330998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * during recording. Applications do not need to call {@link 331098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #startPreview()} after taking a picture. The preview will be still 331198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * active. Other than that, taking a picture during recording is 331298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * identical to taking a picture normally. All settings and methods 331398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * related to takePicture work identically. Ex: {@link 331498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #getPictureSize()}, {@link #getSupportedPictureSizes()}, {@link 331598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #setJpegQuality(int)}, {@link #setRotation(int)}, and etc. The 331698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * picture will have an EXIF header. {@link #FLASH_MODE_AUTO} and {@link 331798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #FLASH_MODE_ON} also still work, but the video will record the flash. 331898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 331998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Applications can set shutter callback as null to avoid the shutter 332098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * sound. It is also recommended to set raw picture and post view 332198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * callbacks to null to avoid the interrupt of preview display. 332298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 332398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Field-of-view of the recorded video may be different from that of the 332498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * captured pictures. 332598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 332698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @return true if video snapshot is supported. 332798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li */ 332898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li public boolean isVideoSnapshotSupported() { 332998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li String str = get(KEY_VIDEO_SNAPSHOT_SUPPORTED); 333098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li return TRUE.equals(str); 333198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li } 333298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li 3333037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3334037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Enables and disables video stabilization. Use 3335037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #isVideoStabilizationSupported} to determine if calling this 3336037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * method is valid.</p> 3337037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3338037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization reduces the shaking due to the motion of the 3339037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * camera in both the preview stream and in recorded videos, including 3340037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * data received from the preview callback. It does not reduce motion 3341037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * blur in images captured with 3342037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link Camera#takePicture takePicture}.</p> 3343037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3344037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization can be enabled and disabled while preview or 3345037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * recording is active, but toggling it may cause a jump in the video 3346037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * stream that may be undesirable in a recorded video.</p> 3347037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3348037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @param toggle Set to true to enable video stabilization, and false to 3349037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * disable video stabilization. 3350037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3351037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3352037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3353037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public void setVideoStabilization(boolean toggle) { 3354037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala set(KEY_VIDEO_STABILIZATION, toggle ? TRUE : FALSE); 3355037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3356037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3357037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3358037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Get the current state of video stabilization. See 3359037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3360037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3361037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is enabled 3362037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3363037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3364037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3365037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean getVideoStabilization() { 3366037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION); 3367037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3368037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3369037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3370037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3371037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Returns true if video stabilization is supported. See 3372037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3373037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3374037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is supported 3375037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3376037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3377037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3378037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean isVideoStabilizationSupported() { 3379037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION_SUPPORTED); 3380037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3381037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3382037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 33839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 33849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 33859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 33869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 33879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 33899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 33909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 33919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 33929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 33939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 33959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 33989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 33999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 34009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 34049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 34069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 34079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 34099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 34109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3412454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3413454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3414454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3415454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3416454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3417454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3418454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3419454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3420454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3421454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3422454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3423e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3424454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3425454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3426e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3427e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3428454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3429e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3430e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3431454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3432e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3433e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3434e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 343524b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 343624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 343724b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 343824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 343924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 344024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 344124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 344224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 344324b326a8978bf78e3e560723dde221792784325bWu-cheng Li 344424b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 344524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 344624b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 344724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 344824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 344924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 345024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 345124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 345224b326a8978bf78e3e560723dde221792784325bWu-cheng Li 34539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 34549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 34569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 34609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 34629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 34639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 34659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 34669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 34699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 34709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 34719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 34749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 34759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 34769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 34779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 34789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 34799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 34819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 34829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3483454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3484454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3485454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3486454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3487454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3488454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3489454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3490454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3491454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3492454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3493454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3494454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3495454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3496454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3497454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3498454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3499454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3500454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3501454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3502454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3503454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3504454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3505454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3506454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3507454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 350830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 350930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 351030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3511f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 351230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 351330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 351430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 351530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 351630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 351730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 351830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 351930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 352030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 352130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 352230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 352330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 352430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 352530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 352630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 352730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 352830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 352930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 353030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 353130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3532f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3533f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3534bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3535f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3536f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3537f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3538f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3539f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3540f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3541f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 354230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 354330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 3544b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li 3545b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li private boolean same(String s1, String s2) { 3546b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 == null && s2 == null) return true; 3547b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 != null && s1.equals(s2)) return true; 3548b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li return false; 3549b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li } 35509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 35519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3552