Camera.java revision 9d062cfe94dcd24b1d61fc83e5de565cb67965b1
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 394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 41bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 42bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 43bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 44df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 45bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 467478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 48df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 49bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 507478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 51df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 52df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 53df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 54df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 55df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 58bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 59341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 105bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 106bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 107bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 108bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 109bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 110bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 111341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 112bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 113bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 114df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 115df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 116df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1177478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 118df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1196c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * 1206c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <div class="special reference"> 1216c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <h3>Developer Guides</h3> 1226c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <p>For more information about using cameras, read the 1236c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * <a href="{@docRoot}guide/topics/media/camera.html">Camera</a> developer guide.</p> 1246c5c3c392b8abce93fd2d366f12449c713ed0016Joe Fernandez * </div> 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 129d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 130da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 131da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 132da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 133da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 134da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 135da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 136da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 137da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 138da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 1394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x200; 140bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li private static final int CAMERA_MSG_PREVIEW_METADATA = 0x400; 1419d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private static final int CAMERA_MSG_FOCUS_MOVE = 0x800; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 149e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1519d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private AutoFocusMoveCallback mAutoFocusMoveCallback; 1523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private FaceDetectionListener mFaceListener; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 15694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private boolean mFaceDetectionRunning = false; 1589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new picture is taken by the camera, and the entry of 16110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * the picture has been added to the media store. 16210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the picture. 16310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 16410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 16510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 16610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 16810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new video is recorded by the camera, and the entry 16910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * of the video has been added to the media store. 17010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the video. 17110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 17210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 17310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 17410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 17510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 1764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware face detection. It does not use much CPU. 1774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 178c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_HW = 0; 1794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 181c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Software face detection. It uses some CPU. 1824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 183c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_SW = 1; 1844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 186341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 187e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 188e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 189e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 190e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 191341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 192b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 193b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 195b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 197b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 198b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 199b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 2007836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2017836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 2027836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 203b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 2047836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 2057836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2067836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 2077836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 208b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 209b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 210b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 211464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The direction that the camera faces. It should be 212b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 213b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2147836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 215b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 216b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 21732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 218b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 21932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 220b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 22132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 2222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 2232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 2242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 2252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 22632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 227b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 228b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 22969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 23069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 23169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 23269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 233b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2347836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 235b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 236b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 237b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 238341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 239bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 240bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 241bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 242bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 243341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 244341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 245bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 246bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 247bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 248bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 249bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 250bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 252bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 253bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 254bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 255bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 256341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 257a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 258bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 259bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 260facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * example, if the camera is in use by another process or device policy 261facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * manager has disabled the camera). 262facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 263e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 264e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 265e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 266e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 267e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 268e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 269a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 270a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 271a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2727836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 275a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 276a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 277a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 278a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 279a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 280a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 281a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 282a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 283a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 286e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 291e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 303e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 307e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala release(); 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 310e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 316bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 317bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 325bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 326bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 327bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 328bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 329bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 330bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 331bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 332bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 33342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 33442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 343bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 344bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 34842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 34942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 35042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 35142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 352bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 353bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 355bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 357ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 360bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 361bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 364bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 36653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 36742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 36842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 36942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 370bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 371bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 372bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 373bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 374bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 376bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 380fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 381fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 382fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 383fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 385bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 389bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 390bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 391bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 393bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 3989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 399bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 401bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 402bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 405b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 406b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 407b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 408b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 409b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 412dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 415fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 416fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 417fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 418fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 419fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 420fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 421fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 422fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 423fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 424fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 425fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 426fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 427fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 428fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 42932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 430e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 431e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 432e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 433e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 434e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 435fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 436fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 437fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 438fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 439fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 440fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 441dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 442fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 443fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 444bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 445bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 446bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 447bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 448bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 449bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 450bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 455bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 456341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 458bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 459a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 460df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 461da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 464bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 470bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 471c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 472c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 473c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 474bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 475bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 476bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 479bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 484bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 485bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 4884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 4894c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 490664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang 491664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mShutterCallback = null; 492664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mRawImageCallback = null; 493664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mPostviewCallback = null; 494664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mJpegCallback = null; 495664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mAutoFocusCallback = null; 4969d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = null; 4974c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 4984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 4994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 5009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 5089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 510bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 511bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 512bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 513bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 516bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 52194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 522a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 523a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 52494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 528bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 529bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 530bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 531bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 533bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 534bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 53794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 53894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 53994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 54094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 54194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 54294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 54394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 54494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 54594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 546bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 547bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 548bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 549bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 550bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 55194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 552bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 553bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 554bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 555bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 55694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 557bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 558bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 559bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 56094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 561bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 562bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 563bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 56494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 56594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 56694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 56794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 56894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 56994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 57294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 575bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 576bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 577bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 578bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 579bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 580c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 581bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 582e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 583e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 584bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 585bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 586bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 58794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 588bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 590bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 591bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 592e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 593e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 594e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 59594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 596bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 597bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5985b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 59994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 600e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 601e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 602e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 603e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 604e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 605e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 606e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 607e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 608e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 609e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 610e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 611e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 612e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 613e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 614e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 615e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 616e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 617e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 618e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 619e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 620e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 621e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 622e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 623e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 624e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 625e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 626e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 62732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 62832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 62932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 63032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 63132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 63232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 633e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 634e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 635e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 636e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 637e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 638e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 639e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 640e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 648e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 649e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 650e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 651e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 652e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 653e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 654e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 655e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 656e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 657e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 658e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 659e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 660e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 661e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 675c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 680c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 681c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 682e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 684e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 687c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 688e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 690e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 693c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 695a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 697a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 698a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 699a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 70194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 702a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 703a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 704a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 70594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 707a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 711e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 712e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 713e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 714e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 715e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 716e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 717c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 718e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 720e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 721e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 722e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 723e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 726e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 731f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 735c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 737e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 739e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7429d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li case CAMERA_MSG_FOCUS_MOVE: 7439d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li if (mAutoFocusMoveCallback != null) { 7449d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback.onAutoFocusMoving(msg.arg1 == 0 ? false : true, mCamera); 7459d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 7469d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li return; 7479d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 769bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 770bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 7717478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 7727478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 773df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 774df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 7757478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 776df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 777df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 778bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 779bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 78469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 78569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 78669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 78769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 789b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * The auto-focus routine does not lock auto-exposure and auto-white 790b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * balance after it completes. 79183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 79483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 79583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 79853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li } 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 801bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 802bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 803bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 804bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 805bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 806bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 807bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 808bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 80936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 810bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 811da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 8127478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8137478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 814df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 815df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 816bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 817068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 818068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 819bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8207478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 82153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Auto-exposure lock {@link android.hardware.Camera.Parameters#getAutoExposureLock()} 822b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * and auto-white balance locks {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 823b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * do not change during and after autofocus. But auto-focus routine may stop 824b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure and auto-white balance transiently during focusing. 82583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 82653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Stopping preview with {@link #stopPreview()}, or triggering still 82753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * image capture with {@link #takePicture(Camera.ShutterCallback, 82853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 82953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * the focus position. Applications must call cancelAutoFocus to reset the 83053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus.</p> 83153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 833bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 83483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 83583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 845bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 846bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 847bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 848244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 849bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 850bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 851244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 852244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 853244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 854244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 855244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 856244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 857244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 858244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 859244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 8609d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Callback interface used to notify on auto focus start and stop. 8619d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8629d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * <p>This is useful for continuous autofocus -- {@link Parameters#FOCUS_MODE_CONTINUOUS_VIDEO} 8639d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * and {@link Parameters#FOCUS_MODE_CONTINUOUS_PICTURE}. Applications can 8649d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * show autofocus animation.</p> 8659d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8669d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @hide 8679d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 8689d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public interface AutoFocusMoveCallback 8699d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li { 8709d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 8719d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Called when the camera auto focus starts or stops. 8729d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8739d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param start true if focus starts to move, false if focus stops to move 8749d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param camera the Camera service object 8759d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 8769d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li void onAutoFocusMoving(boolean start, Camera camera); 8779d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 8789d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 8799d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 8809d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Sets camera auto-focus move callback. 8819d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 8829d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param cb the callback to run 8839d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @hide 8849d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 8859d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public void setAutoFocusMoveCallback(AutoFocusMoveCallback cb) { 8869d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = cb; 8879d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li enableFocusMoveCallback((mAutoFocusMoveCallback != null) ? 1 : 0); 8889d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 8899d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 8909d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private native void enableFocusMoveCallback(int enable); 8919d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 8929d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 893bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 894bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 895bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 900bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 901bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 902bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 903bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 904bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 910bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 911bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 912bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 916bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 917bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 918bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 9199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 927bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 9289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 929bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 933e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 934e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 935e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 936e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 937e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 9399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 9409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 9419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 9429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 943e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 944e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 9459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 9469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 9479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 9489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 9499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 950e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 951bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 952bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 953bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 95442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 95542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 95642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 95740057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 958bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 959bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 96040057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 961bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 962bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 963e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 964bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 965e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 966e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 967e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 970e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 972e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 973e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 974e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 975e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 976e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 977e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 978e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 979e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 980e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 981e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 982e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 983e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 984e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 985e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 986e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 987e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 988e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 991e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 992bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 9933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 9943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 995bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 996bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 997bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 998bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 999bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 1000bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 1001bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 1002bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 1003bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 100436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 100536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 100636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 10070ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 10080ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 1009bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 101036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 101136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 101236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 101336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 1014bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 10153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 10163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 10178cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 10180ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 10190ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 102036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 102136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 102236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 102336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 10242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 10252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 10262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 1027b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 1028b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 1029b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 1030d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 103169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 10322fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 10332fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 1034d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 103569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 103669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 1037b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 1038724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 1039724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1040724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1041724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1042724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1043724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1044724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1045724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1046724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1047724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1048724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1049724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1050724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1051724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1052b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 10532fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 10542fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 10552fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 10562fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 10572fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 10582fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 10592fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1060724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1061724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1062b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1063d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1064d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * <p>Starting from API level 14, this method can be called when preview is 1065d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * active. 1066d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1067d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1068e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1069e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 10702fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1071d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1072d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1073d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1074d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1075bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1076bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1077bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1078bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1079e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1081e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1082e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1083bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 108436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 108536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 10863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 108736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 108836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1089e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1090e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1092e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1093e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1094e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 10953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 109636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 10978cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 10983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 10998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1100e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1102e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 11033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1104e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 11059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 11084c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11094c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11104c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 11114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11124c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11134c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 11144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 111553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @param faces The detected faces in a list 1116464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @param camera The {@link Camera} service object 11174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1118f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 11194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1122c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 11234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 11244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1126c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 11274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 11294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 11314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1134c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 11354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 11364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 11374c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 11384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1139c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 11404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 11414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11428c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 11434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 11448c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * have no effect. The camera uses the detected faces to do auto-white balance, 11458c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * auto exposure, and autofocus. 11468c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11478c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>If the apps call {@link #autoFocus(AutoFocusCallback)}, the camera 11488c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * will stop sending face callbacks. The last face callback indicates the 11498c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * areas used to do autofocus. After focus completes, face detection will 11508c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * resume sending face callbacks. If the apps call {@link 11518c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * #cancelAutoFocus()}, the face callbacks will also resume.</p> 11528c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 11538c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>After calling {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 11548c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Camera.PictureCallback)} or {@link #stopPreview()}, and then resuming 11558c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * preview with {@link #startPreview()}, the apps should call this method 11568c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * again to resume face detection.</p> 11574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1158c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 11594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 11604c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 11614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 11624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1163c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 11644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1165c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 11664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 11674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 11684c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1169c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 11704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 11714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1174c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 11754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1176464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 11774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 11794c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 11804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 11814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 11844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 11854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1187464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * Information about a face identified through camera face detection. 118853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 1189464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * <p>When face detection is used with a camera, the {@link FaceDetectionListener} returns a 1190464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * list of face objects for use in focusing and metering.</p> 11914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1192464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see FaceDetectionListener 11934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1194f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1195c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1196c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1197c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1198bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1199bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1200bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 12014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 12024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 12034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1204c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1205c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 12068c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). It is 12078c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * guaranteed left < right and top < bottom. The coordinates can be 12088c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * smaller than -1000 or bigger than 1000. But at least one vertex will 12098c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * be within (-1000, -1000) and (1000, 1000). 1210f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1211f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1212f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 12138c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. The face bounding 12148c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * rectangle does not provide any information about face orientation.</p> 12158c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12168c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>Here is the matrix to convert driver coordinates to View coordinates 12178c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * in pixels.</p> 12188c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <pre> 12198c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Matrix matrix = new Matrix(); 12208c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId]; 12218c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Need mirror for front camera. 12228c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 12238c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.setScale(mirror ? -1 : 1, 1); 12248c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // This is the value for android.hardware.Camera.setDisplayOrientation. 12258c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postRotate(displayOrientation); 12268c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). 12278c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // UI coordinates range from (0, 0) to (width, height). 12288c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postScale(view.getWidth() / 2000f, view.getHeight() / 2000f); 12298c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postTranslate(view.getWidth() / 2f, view.getHeight() / 2f); 12308c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * </pre> 12314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1232464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1234bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 12354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1237464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The confidence level for the detection of the face. The range is 1 to 100. 100 is the 1238c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * highest confidence. 12394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1240464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1242bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 1243d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1244d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1245d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * An unique id per face while the face is visible to the tracker. If 1246d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the face leaves the field-of-view and comes back, it will get a new 1247d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * id. This is an optional field, may not be supported on all devices. 1248d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * If not supported, id will always be set to -1. The optional fields 1249d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are supported as a set. Either they are all valid, or none of them 1250d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are. 1251d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1252d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public int id = -1; 1253d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1254d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1255d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the left eye. The coordinates are in 1256d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1257d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1258d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1259d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1260d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1261d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point leftEye = null; 1262d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1263d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1264d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the right eye. The coordinates are 1265d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * in the same space as the ones for {@link #rect}.This is an optional 1266d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1267d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1268d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1269d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1270d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point rightEye = null; 1271d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1272d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1273d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the mouth. The coordinates are in 1274d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1275d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1276d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1277d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1278d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1279d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point mouth = null; 12804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1282bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1283bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1284bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1285bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1286bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1287bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1289bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1290bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1291bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1292bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1293bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1294bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 12969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1298bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1299bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1300bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1329bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 13309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 133299a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1341bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1342bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1343bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1344bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 13599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13674c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 13684c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 13694c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 13704c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 13714c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 13724c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 13734c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 13744c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 13754c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 13764c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 13774c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 13784c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13794c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 13804c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 13814c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13824c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 13834c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 13844c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 13854c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 139332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 139432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 139532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 139632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 139732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 139832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 139932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 140032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 140132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 140232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 140332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 140432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 140532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 140632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 140732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 140832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 140932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 141032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 141132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 141232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 141332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 141432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1415bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1416bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1417bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1418bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1419bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1420bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1421bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 142230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 142330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 142430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 142530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 142630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 142732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 142832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 142930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 143030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 143130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 143230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 143330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 143430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 143530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 143630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 143730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 143830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 143930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 144030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 144130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 144230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 144330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 144430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 144530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 144630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 144730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 144830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 144930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 145030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 145130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 145230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 145330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 145430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1455bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 145632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 145732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 145832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 145932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 146032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1461bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1462bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1463bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1464bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 146530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 146630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1467bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 146832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 146932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 147032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 147132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 147232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1473bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1474bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1475bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1476bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 147730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1478bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 147930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 148030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1481bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 14829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1484bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1485bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1487bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 14889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 14909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 14919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1492bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1493bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1494bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1495bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 14989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 14999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 15009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 15019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1502454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 15039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 15049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 15054c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 15069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 15079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 15089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 15099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 15109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 15119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 15129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 15139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 15149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1515055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 15169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 15179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 15189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 15199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 15209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 152136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 152230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 152330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 15246c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 15256c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 15266c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1527ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 152824b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 152924b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 153024b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 15313773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 15323773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1533d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1534d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1535e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1536e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 15378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 15388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 15398cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 15408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 15418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1542e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1543dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1544dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1545dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 15464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 15474c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 154825d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 154998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported"; 1550037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION = "video-stabilization"; 1551037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION_SUPPORTED = "video-stabilization-supported"; 1552e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 15539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 15549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 15559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 15573773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 15588cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 15599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 15609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 15619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 15629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 15639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 15649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 15659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 15669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 15679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 15689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 15709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 15719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 15729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 15739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 15749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 15759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 15769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 15779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 15789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 15799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 15819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 15829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 15839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 15849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 15859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 15879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 15899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 159136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1593068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1594068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 15959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 159736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 15989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1599068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1600068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 16019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 160336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 16069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 160836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 160936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1610068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1611068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 161236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1613068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 16149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 161500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 161600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 161700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 161900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 162000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 162100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 162200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 162300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 162500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 162600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 162700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 162800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 163000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 163100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 163200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 163300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 163500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 163600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 163700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 163800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 164000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 164100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 164200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 164300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 164500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 164600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 164700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 164800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 165000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 165100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 165200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 165300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 165500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 165600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 165700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 165800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 166000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 166100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 166200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 166300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 166500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 166600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 166700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 166800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 167000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 167100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 167300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 167500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 167600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 167700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 167800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 167900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 168100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 168400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 168600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 168700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 168800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 168900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 16919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1692c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1693c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1694c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1695c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1696c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1697c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 169836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1699f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1700f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 170136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 170236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 170336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 170436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 170536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 170636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 170736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 170836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1709f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1710f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1711f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1712f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1713f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1714f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 171536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 171636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 171736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 171836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 171936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 172036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 172136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 172236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 172336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 172436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1725c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1726c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1727c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1728c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1729c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1730c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1731c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1732699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1733d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1734b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1735b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1736b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1737b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1738b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 173953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * set. 174053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 174153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, applications can call {@link 174253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. The focus callback will 174353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * immediately return with a boolean that indicates whether the focus is 174453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * sharp or not. The focus position is locked after autoFocus call. If 174553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * applications want to resume the continuous focus, cancelAutoFocus 174653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * must be called. Restarting the preview will not resume the continuous 174753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * autofocus. To stop continuous focus, applications should change the 174853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus mode to other modes. 174953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 175053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_PICTURE 1751d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1752d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1753699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1754b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1755b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1756b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1757b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 175853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * starts when the parameter is set. 175953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 17600f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * <p>Applications can call {@link #autoFocus(AutoFocusCallback)} in 17610f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * this mode. If the autofocus is in the middle of scanning, the focus 17620f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * callback will return when it completes. If the autofocus is not 17630f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * scanning, the focus callback will immediately return with a boolean 17640f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * that indicates whether the focus is sharp or not. The apps can then 17650f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * decide if they want to take a picture immediately or to change the 17660f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * focus mode to auto, and run a full autofocus cycle. The focus 17670f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * position is locked after autoFocus call. If applications want to 17680f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * resume the continuous focus, cancelAutoFocus must be called. 17690f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * Restarting the preview will not resume the continuous autofocus. To 17700f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * stop continuous focus, applications should change the focus mode to 17710f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * other modes. 1772b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1773b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1774b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1775b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1776b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1777e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1778e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1779e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1780e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1781e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1782e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1783e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1784e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1785e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1786e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1787e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1788e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1789e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1790e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1791e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1792e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1793e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1794e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1795e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1796ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1797454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1798454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1799454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1800454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1801454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1802454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1803454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1804454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1805454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1806454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1807454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1808454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1809454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 18109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 18119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 18129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1813eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 181410a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 18159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 18169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 181770fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 18189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 18289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 18299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 18399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 18409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 18419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 18629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 18649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 18679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 18689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 18719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 18729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 18739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 18749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 18889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 19079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1915e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1916f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1917f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1918f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1919f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1920f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1921f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1922f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1923f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1924f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1925f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1926f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1927f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1928f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1929f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1930f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1931f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1932f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1933f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1934f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1935f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1936f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1937e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1938e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1939e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 19429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 19529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 196126274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 196226274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 196326274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 19649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1965c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1966c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1967c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1968c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1969c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1970c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1971c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1972c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1973c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1974c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1975c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1978c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1979c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1980c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1981c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 19829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 19859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 19909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1991dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 19929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 19959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 19969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 19979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 20019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 20039c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 20069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 20089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 201132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 201232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 2013dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 201432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 2015dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 2016dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 2017dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 2018dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 201932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 2020dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2021dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 2022dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 2023dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 2024dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2025dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 2026dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 2027dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 2028dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2029dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2030dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 2031dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 2032dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 2033dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 2034dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 2035dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 2036dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 2037dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 2038dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 2039dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2040dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 2041dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 2042dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 2043dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 2044dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2045dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 2046dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 2047dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 2048dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2049dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2050dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 205132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 20524c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 205332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 20549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 205532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 205632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2057c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 20599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 2060c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 20619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 20639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 20649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 20659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 20719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 20729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 20749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 20759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 20769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20794c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 20804c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 20813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 20824c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 20834c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 20844c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 20854c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 20864c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 20874c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 20884c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 20894c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 20904c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 20919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 20929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 20939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 20949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 20959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 20979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 20989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 21049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 21069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 21169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 21179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 21239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 21259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 21269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2129a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2130a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 21335f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21355f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 21379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 21389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2141a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2142a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2143a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 21465f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21485f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 21519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 21559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 21573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 21585f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 21599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21605f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 21619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 21629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 21639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2167454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 21681620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2169454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2170454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2171454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2172454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2173454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2174454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2175454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2176454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2177454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2178454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2179454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2180454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2181454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2182454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2183454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2184454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2185454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2186454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2187454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2188454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2189454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2190454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2191454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2192454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2193454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 21945f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2195454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2196454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2197454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2198454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2199454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2200454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2201454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2202454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2203454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2204454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2205454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2206454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2207454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2208454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2209454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2210454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2211454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2212454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2213454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2214454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2215454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2216454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2217454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2218454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2219454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2220454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2221454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 22227478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2223da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2224a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2225df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 22267478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2227df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 2228a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 2229a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 2230a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2231a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2232a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 22339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 22359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 22369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 22379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 22389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 22429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 22469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 22477478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 22483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 22493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 22529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 22539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2256f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2257f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2258f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 22599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 22613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 22623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 22659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2266eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2267eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2268eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2269a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2270eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2271eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2272eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 22739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 227632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 22779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 227832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 227932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2280c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2283c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2284c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 22889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 22939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 22959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 22969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 22989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 22999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 23009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 23049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 23063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 23099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 23109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 23119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 23159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2317a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2318a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2319a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2320a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 23239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 23249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 23259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 23349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 23363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 23399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 23409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 23449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 23463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 23473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 23509c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 23519c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 23529c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 23539c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2354a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 23559c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 23569c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 23579c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2362a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2363a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2364a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 236510a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2366a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2367a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 236870fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2369a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2375a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2378a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2381a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 23829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2383eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2384a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2385eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 238610a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 238710a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 238810a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 23899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2390a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2393a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 23949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2395a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23992fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 24002fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 24012fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 24022fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 24032fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 24042fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 24052fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 24069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 240769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 24082fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 24092fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 24102fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 24112fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 241269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 24132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 24142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 24152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 24162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 24179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 241869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 24192fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 24202fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 24212fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 24222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 24232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 24242fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 242569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 24262fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 2427e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * <pre> 24289a10bf0386ac9822e33a15820d8cd1fd8bdb5572Scott Main * public void onOrientationChanged(int orientation) { 24292fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 24302fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 24312fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 24322fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 24332fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 24342fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 24352fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 24362fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 24372fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 24382fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 24392fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 24402fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 24412fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 2442e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * </pre> 24432fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 24442fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 24452fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 24462fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 24479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 24489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 24492fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 24509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 24529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 24539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 24549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 24559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 24569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 24579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 24589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 24639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 24649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 24669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 24689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 24699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 24739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 24749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 24769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 24789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 24799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 24839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 24859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 24879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 24929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 24959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2501e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2502055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2503055c986ab841f8f758398841730f1e90313b132aRay Chen * 2504055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2505055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2506055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2507055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2508055c986ab841f8f758398841730f1e90313b132aRay Chen } 2509055c986ab841f8f758398841730f1e90313b132aRay Chen 2510055c986ab841f8f758398841730f1e90313b132aRay Chen /** 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 25169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 25179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 25189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2519055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 25209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 25249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 25263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 25273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 25283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 25293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 25303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 25313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 25323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 25333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 25343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 25353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 25369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 25389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 25399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 254216b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 2543b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * auto-white balance lock. It is recommended not to change white 2544b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * balance and AWB lock at the same time. 25459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 25473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 2548037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 25499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 2551b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li String oldValue = get(KEY_WHITE_BALANCE); 2552b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (same(value, oldValue)) return; 25539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 255416b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 25559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 25599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 25613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 25623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 25639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 25659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 25739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 25743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 25753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 25763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 25773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 25783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 25793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 25803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 25813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 25823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 25839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 25923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 25939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 25959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 25969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 26009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 26029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 26069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 26079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 26139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 26153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 26163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 26173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 26183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 26193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 26209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 26229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 26239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 26279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 26293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 26309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 26329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 26339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 26379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 26393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 26403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 26419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 26439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 26449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 26499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 26519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 26533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 26543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 26553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 26563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 26573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 26583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 26593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 26603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 26613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 26623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 26633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 26643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 26653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 26663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 26679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 26699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 26709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2673c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2674c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2675c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2676c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2677c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 26782988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 26792988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 26809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 26823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 26839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 26859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 26869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 26909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 26923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 26933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 26949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 26969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 26979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 27029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 27043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 27063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 27073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 27083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 27093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 27109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 27129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 27139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 27179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 27193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 27209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 27229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 27239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 27279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 27293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 27303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 27319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 27339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 27349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 273736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 273836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 273936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2740699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2741699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2742699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2743699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 27443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 27453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 27463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 27473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2748f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2749d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 275036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 275136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 275236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 275336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 275436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 275536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 275636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 275736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 27583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 27593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 276036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 276136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 276236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 276336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 276436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 276536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 276636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 276736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 27683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 27693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 27703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 277136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 277236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 277336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 277436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 277536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 277636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 277736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 27786c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 27796c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 27806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 27816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 27826c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 27836c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 27846c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 27856c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 27866c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 27876c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 27886c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 27896c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 27906c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 27916c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 27926c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 27936c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 27946c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 27956c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 27966c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 27976c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 27986c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 27996c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28006c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 28016c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28026c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28036c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 28046c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 28056c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28066c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28076c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 280824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2809ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 281024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 281124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 281224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 281324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2814ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2815ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 281624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2817ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2818ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2819ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 282024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2821ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 28220402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 28230402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 282424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 282524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 282624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 282724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2828ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2829ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2830ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2831ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2832ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2833ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 283424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2835ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 283624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 283724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 283824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 283924b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 284024b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 284124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 284224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 284324b326a8978bf78e3e560723dde221792784325bWu-cheng Li 284424b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 284524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 284624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 284724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 284824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 284924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2850ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 285124b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 285224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 285324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 285424b326a8978bf78e3e560723dde221792784325bWu-cheng Li 285524b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 285624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 285724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 285824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 285924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 286024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 286124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 286224b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 286324b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 286424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2865ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2866ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2867ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2868d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2869d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 28703773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2871d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2872d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2873d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2874d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2875d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2876d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2877d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2878d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2879d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2880b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2881b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock.</p> 2882d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2883b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, auto-exposure lock, and auto-white balance 2884b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock can be used to capture an exposure-bracketed burst of images, 2885b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * for example.</p> 2886d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2887d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 28883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 28893773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 28903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2891d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2892d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 28933773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28943773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 28953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 28963773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 28973773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2898d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 28993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29003773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 29013773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 29023773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29043773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 29063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 29073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29083773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29093773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 2910b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure is currently locked, and false otherwise. 29113773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29123773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 29133773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29143773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29153773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 29163773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 29173773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 29183773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29193773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29203773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29213773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 29223773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 29233773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29243773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29253773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 29263773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 29273773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29283773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29293773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 29303773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 29313773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 29323773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29333773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29343773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 2935d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 2936d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 2937d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 2938d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2939d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 2940d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 2941d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2942d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 2943d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 2944d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 2945d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2946d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2947d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2948b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2949b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * the lock.</p> 2950d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 295116b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 295216b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 295316b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 2954b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, AE lock, and AWB lock can be used to 2955b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * capture an exposure-bracketed burst of images, for example. 2956b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Auto-white balance state, including the lock state, will not be 2957b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * maintained after camera {@link #release()} is called. Locking 2958b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-white balance after {@link #open()} but before the first call to 2959b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * {@link #startPreview()} will not allow the auto-white balance routine 2960b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * to run at all, and may result in severely incorrect color in captured 2961b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * images.</p> 2962d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2963d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 2964d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 2965d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 2966d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2967d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 296816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 2969d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2970d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 2971d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 2972d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2973d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2974d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2975d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 2976d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 2977d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 2978d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 2979d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2980d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 2981d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 2982b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * otherwise. 2983d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2984d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2985d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2986d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2987d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 2988d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 2989d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2990d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2991d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2992d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2993d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 2994d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 2995d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 2996d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2997d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 2998d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2999d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3000d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3001d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 3002d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 3003d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3004d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3005d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3006d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 300736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 30088cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 30098cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 301036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 301136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 30128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 301336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 301436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 30158cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 301636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 301736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 301836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 30198cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 30208cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 30218cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 30228cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 30238cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 30248cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 302536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 302636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 302736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 302836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 30298cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 303036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 303136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 303236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 303336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 303436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 303536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 303636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 303736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 303836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 30398cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 30408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 304136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 304236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 304336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 304436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 304536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 30468cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 30478cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 30488cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 304936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 305036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 305136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 305236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 30538cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 305436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 305536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 305636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 30578cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 30588cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 305936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 30608cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 30618cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 30628cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 30638cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 30648cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 306536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 30668cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 30678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 306836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 306936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 307036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 307136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 307236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 307336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 307436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 307536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 307636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 30778cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 30788cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 307936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 308036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 3081e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 308232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 3083e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 308432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 3085e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 308632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 3087e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 3088e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 3089e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 3090d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 309132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 3092699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 309332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 3094699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 3095699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3096699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 309732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3098e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 309932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3100185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 310132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3102e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3103e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3104e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3105e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3106185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3107185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3108185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3109e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3110e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3111e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3112e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3113e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 3114e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3115454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3116e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3117e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 311830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 311930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 31207b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 31217b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 312230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 312330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 312430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 312530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 312630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 312730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 312830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 312930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 313030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 313132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 313232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 313330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 313432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 31357b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 313632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 313730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 313832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 313930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 314030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 314130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 314230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3143bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 314432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 314530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 314632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 31474e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 31484e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 31494e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 31504e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 315132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 315230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 315332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 315432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 315532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 315632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 315732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 315830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 315932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 316030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 316130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 316230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 316332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 316430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 316532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 316653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, 316753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}, or 316853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_PICTURE}.</p> 316930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 317030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 317130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 317230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3173f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 317430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 317530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 317630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 317730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 317830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 31797b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 318030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 318130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3182e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3183e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3184e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3185e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3186e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3187e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 31887b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 31897b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3190e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3191e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3192e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3193e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3194e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3195e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3196e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3197e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3198e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 319932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 320032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3201e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 320232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 32037b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 32047b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 320532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3206e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 320732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3208e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3209e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3210e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3211e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3212bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 321332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3214e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 321532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 32164e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 32174e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 32184e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 321932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3220e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 322132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 322232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 322332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 322432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 322532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3226e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 322732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3228e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3229e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3230e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 323132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3232e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 323332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 323432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3235e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3236e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3237e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3238e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3239d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3240e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3241e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3242e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3243e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3244e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3245e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 32467b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3247e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3248e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3249e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3250e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 325130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 325230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 32534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 32544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 32554c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 32564c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 32574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 32584c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 32594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 3260464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 32614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3262c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3263c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 32644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 32654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 326625d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 32679c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 32689c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 32699c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 32709c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 32719c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 32729c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 32739c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 32749c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 32759c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 32769c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 32779c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 32789c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 32799c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 32809c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 32819c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 328225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 328325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 328425d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 328525d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 328625d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 328725d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 328898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li /** 328998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Returns true if video snapshot is supported. That is, applications 329098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * can call {@link #takePicture(Camera.ShutterCallback, 329198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} 329298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * during recording. Applications do not need to call {@link 329398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #startPreview()} after taking a picture. The preview will be still 329498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * active. Other than that, taking a picture during recording is 329598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * identical to taking a picture normally. All settings and methods 329698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * related to takePicture work identically. Ex: {@link 329798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #getPictureSize()}, {@link #getSupportedPictureSizes()}, {@link 329898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #setJpegQuality(int)}, {@link #setRotation(int)}, and etc. The 329998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * picture will have an EXIF header. {@link #FLASH_MODE_AUTO} and {@link 330098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #FLASH_MODE_ON} also still work, but the video will record the flash. 330198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 330298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Applications can set shutter callback as null to avoid the shutter 330398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * sound. It is also recommended to set raw picture and post view 330498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * callbacks to null to avoid the interrupt of preview display. 330598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 330698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Field-of-view of the recorded video may be different from that of the 330798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * captured pictures. 330898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 330998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @return true if video snapshot is supported. 331098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li */ 331198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li public boolean isVideoSnapshotSupported() { 331298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li String str = get(KEY_VIDEO_SNAPSHOT_SUPPORTED); 331398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li return TRUE.equals(str); 331498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li } 331598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li 3316037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3317037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Enables and disables video stabilization. Use 3318037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #isVideoStabilizationSupported} to determine if calling this 3319037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * method is valid.</p> 3320037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3321037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization reduces the shaking due to the motion of the 3322037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * camera in both the preview stream and in recorded videos, including 3323037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * data received from the preview callback. It does not reduce motion 3324037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * blur in images captured with 3325037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link Camera#takePicture takePicture}.</p> 3326037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3327037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization can be enabled and disabled while preview or 3328037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * recording is active, but toggling it may cause a jump in the video 3329037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * stream that may be undesirable in a recorded video.</p> 3330037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3331037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @param toggle Set to true to enable video stabilization, and false to 3332037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * disable video stabilization. 3333037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3334037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3335037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3336037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public void setVideoStabilization(boolean toggle) { 3337037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala set(KEY_VIDEO_STABILIZATION, toggle ? TRUE : FALSE); 3338037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3339037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3340037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3341037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Get the current state of video stabilization. See 3342037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3343037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3344037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is enabled 3345037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3346037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3347037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3348037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean getVideoStabilization() { 3349037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION); 3350037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3351037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3352037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3353037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3354037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Returns true if video stabilization is supported. See 3355037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3356037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3357037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is supported 3358037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3359037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3360037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3361037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean isVideoStabilizationSupported() { 3362037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION_SUPPORTED); 3363037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3364037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3365037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 33669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 33679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 33689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 33699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 33709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 33729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 33739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 33749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 33759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 33769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 33789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 33819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 33829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 33839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 33849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 33859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 33869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 33879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 33889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 33899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 33909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 33929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 33939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 33949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3395454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3396454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3397454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3398454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3399454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3400454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3401454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3402454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3403454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3404454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3405454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3406e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3407454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3408454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3409e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3410e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3411454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3412e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3413e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3414454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3415e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3416e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3417e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 341824b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 341924b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 342024b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 342124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 342224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 342324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 342424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 342524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 342624b326a8978bf78e3e560723dde221792784325bWu-cheng Li 342724b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 342824b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 342924b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 343024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 343124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 343224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 343324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 343424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 343524b326a8978bf78e3e560723dde221792784325bWu-cheng Li 34369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 34379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 34399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 34439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 34459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 34469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 34489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 34499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 34529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 34539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 34549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 34579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 34589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 34599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 34609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 34619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 34629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 34649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 34659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3466454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3467454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3468454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3469454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3470454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3471454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3472454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3473454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3474454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3475454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3476454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3477454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3478454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3479454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3480454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3481454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3482454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3483454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3484454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3485454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3486454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3487454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3488454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3489454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3490454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 349130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 349230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 349330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3494f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 349530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 349630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 349730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 349830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 349930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 350030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 350130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 350230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 350330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 350430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 350530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 350630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 350730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 350830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 350930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 351030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 351130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 351230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 351330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 351430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3515f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3516f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3517bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3518f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3519f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3520f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3521f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3522f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3523f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3524f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 352530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 352630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 3527b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li 3528b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li private boolean same(String s1, String s2) { 3529b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 == null && s2 == null) return true; 3530b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 != null && s1.equals(s2)) return true; 3531b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li return false; 3532b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li } 35339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 35349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3535