Camera.java revision f05c1d63d16e790ac78c5854bb12374f45d6118e
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; 38248ba23ad28c1f8fb69904663204df08c5818700James Dongimport java.util.concurrent.locks.ReentrantLock; 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 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; 158f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li private Object mAutoFocusCallbackLock = new Object(); 1599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new picture is taken by the camera, and the entry of 16210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * the picture has been added to the media store. 16310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the picture. 16410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 16510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 16610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 16710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 16910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new video is recorded by the camera, and the entry 17010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * of the video has been added to the media store. 17110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the video. 17210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 17310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 17410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 17510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 17610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 1774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware face detection. It does not use much CPU. 1784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 179c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_HW = 0; 1804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 182c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Software face detection. It uses some CPU. 1834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 184c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_SW = 1; 1854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 187341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 188e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 189e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 190e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 191e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 192341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 193b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 195b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 197b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 198b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 199b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 200b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 2017836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2027836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 2037836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 204b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 2057836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 2067836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 2077836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 2087836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 209b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 210b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 211b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 212464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The direction that the camera faces. It should be 213b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 214b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2157836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 216b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 217b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 21832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 219b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 22032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 221b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 22232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 2232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 2242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 2252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 2262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 22732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 228b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 229b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 23069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 23169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 23269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 23369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 234b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2357836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 236b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 237b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 238b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 239a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * Creates a new Camera object to access a particular hardware camera. If 240a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * the same camera is opened by other applications, this will throw a 241a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * RuntimeException. 242a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * 243bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 244bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 245bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 246341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 247341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 248bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 249bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 250bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 252bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 253bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 254bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 255bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 256bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 257bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 258bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 259341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 260a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 261bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 262a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * @throws RuntimeException if opening the camera fails (for example, if the 263a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * camera is in use by another process or device policy manager has 264a1c41e13b521cdd611a8fc46e43b5ae0a2c00238Wu-cheng Li * disabled the camera). 265facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 266e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 267e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 2687bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li return new Camera(cameraId); 269e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 270e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 271e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 272a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 273a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 274a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2757836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 278a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 279a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 280a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 281a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 282a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 2837bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li return new Camera(i); 284a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 285a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 286a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2897bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li Camera(int cameraId) { 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 294e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3067bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li native_setup(new WeakReference<Camera>(this), cameraId); 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3091c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 3101c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * An empty Camera for testing purpose. 3111c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 3121c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera() { 3131c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 3141c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 3159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 316e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala release(); 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3197bc1b21a5217c3737ae82edd3ff2d901c69a51adWu-cheng Li private native final void native_setup(Object camera_this, int cameraId); 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 325bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 326bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 335bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 339bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 341bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 34242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 34342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 349bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 352bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 353bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 35742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 35842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 35942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 36042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 361bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 364bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 366ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 369bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 370bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 371bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 372bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 373bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 37553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, camera is automatically locked for applications in 37642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 37742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 37842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 380bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 381bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 382bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 383bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 385bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 389fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 390fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 391fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 392fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 398bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 399bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 401bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 402bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 403bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 404bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 405bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 4079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 408bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 409bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 410bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 411bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 414b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 415b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 416b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 417b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 418b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 421dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 424fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 425fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 426fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 427fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 428fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 429fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 430fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 431fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 432fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 433fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 434fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 435fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 436fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 437fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 43832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 439e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 440e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 441e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 442e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 443e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 444108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 445108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 446108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 447108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 448108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 449108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.graphics.SurfaceTexture 450108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.view.TextureView 451fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 452fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 453fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 454fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 455fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 456fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 457dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 458fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 459fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 461bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 462bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 464bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 465bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 466bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 471bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 472341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 474bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 475a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 476df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 477da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 480bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 487c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 488c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 489c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 490bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 491bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 492bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 493bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 494bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 495bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 500bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 501bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 5044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 5054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 506664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang 507664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mShutterCallback = null; 508664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mRawImageCallback = null; 509664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mPostviewCallback = null; 510664d72e6630522589cc013b25f5c9cdd5d949fa3Chih-yu Huang mJpegCallback = null; 511f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 512f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li mAutoFocusCallback = null; 513f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li } 5149d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = null; 5154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 5164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 5174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 5189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 5269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 528108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame in addition 529bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 530bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 531108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * even while preview is live. Any other preview callbacks are 532108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * overridden.</p> 533108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 534108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 535108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 536108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 538bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 539bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 540108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 54594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 546a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 547a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 54894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 552108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for the next preview frame in 553108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * addition to displaying it on the screen. After one invocation, the 554108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * callback is cleared. This method can be called any time, even when 555108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview is live. Any other preview callbacks are overridden.</p> 556108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 557108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 558108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 559108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 561bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 562bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 563108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 56694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 56794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 56894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 56994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 57094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 57194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 57294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 57394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 57494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 575108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>Installs a callback to be invoked for every preview frame, using 576108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * buffers supplied with {@link #addCallbackBuffer(byte[])}, in addition to 577bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 578108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * for as long as preview is active and buffers are available. Any other 579108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * preview callbacks are overridden.</p> 58094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 581bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 582bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 583bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 584108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * calling this method -- or no callbacks will received.</p> 58594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 586108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>The buffer queue will be cleared if this method is called with a null 587bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 588108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is 589108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * called.</p> 590108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 591108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If you are using the preview data to create video or still images, 592108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * strongly consider using {@link android.media.MediaActionSound} to 593108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * properly indicate image capture or recording start/stop to the user.</p> 59494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 595bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 596bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 597bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 598108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 59994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 60094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 60194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 60294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 60394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 60494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 60794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 6083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 6093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 610bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 611bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 612bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 613bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 614bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 615c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 616bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 617e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 618e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 619bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 620bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 621bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 62294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 623bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 624e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 625bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 626bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 627e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 628e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 629e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 63094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 631bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 632bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 6335b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 63494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 635e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 636e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 637e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 638e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 639e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 640e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 648e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 649e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 650e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 651e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 652e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 653e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 654e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 655e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 656e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 657e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 658e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 659e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 660e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 661e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 66232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 66332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 66432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 66532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 66632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 66732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 668e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 669e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 670e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 671e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 672e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 673e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 674e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 675e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 676e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 677e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 678e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 679e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 680e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 681e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 682e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 683e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 684e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 685e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 686e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 687e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 688e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 689e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 690e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 691e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 692e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 693e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 694e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 695e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 696e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 710c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 715c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 716c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 717e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 719e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 722c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 723e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 725e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 728c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 730a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 732a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 733a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 734a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 73694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 737a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 738a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 739a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 74094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 742a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 746e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 747e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 748e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 749e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 750e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 751e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 752c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 753f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li AutoFocusCallback cb = null; 754f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 755f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li cb = mAutoFocusCallback; 756f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li } 757f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li if (cb != null) { 758f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li boolean success = msg.arg1 == 0 ? false : true; 759f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li cb.onAutoFocus(success, mCamera); 760e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 761e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 762e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 763e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 766e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 771f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 775c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 777e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 779e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li case CAMERA_MSG_FOCUS_MOVE: 7839d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li if (mAutoFocusMoveCallback != null) { 7849d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback.onAutoFocusMoving(msg.arg1 == 0 ? false : true, mCamera); 7859d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 7869d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li return; 7879d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 809bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 810bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 8117478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 8127478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 813df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 814df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 8157478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 816df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 817df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 818bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 819bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 82469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 82569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 82669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 82769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 8289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 829b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * The auto-focus routine does not lock auto-exposure and auto-white 830b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * balance after it completes. 83183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 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 void onAutoFocus(boolean success, Camera camera); 83853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li } 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 841bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 842bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 843bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 844bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 845bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 846bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 847bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 848bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 84936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 850bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 851da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 8527478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8537478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 854df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 855df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 856bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 857068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 858068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 859bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8607478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 86153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Auto-exposure lock {@link android.hardware.Camera.Parameters#getAutoExposureLock()} 862b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * and auto-white balance locks {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 863b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * do not change during and after autofocus. But auto-focus routine may stop 864b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure and auto-white balance transiently during focusing. 86583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 86653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Stopping preview with {@link #stopPreview()}, or triggering still 86753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * image capture with {@link #takePicture(Camera.ShutterCallback, 86853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 86953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * the focus position. Applications must call cancelAutoFocus to reset the 87053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus.</p> 87153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 872108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * <p>If autofocus is successful, consider using 873108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * {@link android.media.MediaActionSound} to properly play back an autofocus 874108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * success sound to the user.</p> 875108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 877bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 87883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 87983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 880108708b4873fb05cb029b5bcb29a4e917004ca30Eino-Ville Talvala * @see android.media.MediaActionSound 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 884f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 885248ba23ad28c1f8fb69904663204df08c5818700James Dong mAutoFocusCallback = cb; 886248ba23ad28c1f8fb69904663204df08c5818700James Dong } 887f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li native_autoFocus(); 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 892bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 893bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 894bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 895244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 896bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 897bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 898244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 899244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 900244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 901f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li synchronized (mAutoFocusCallbackLock) { 902248ba23ad28c1f8fb69904663204df08c5818700James Dong mAutoFocusCallback = null; 903248ba23ad28c1f8fb69904663204df08c5818700James Dong } 904f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li native_cancelAutoFocus(); 905f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // CAMERA_MSG_FOCUS should be removed here because the following 906f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // scenario can happen: 907f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - An application uses the same thread for autoFocus, cancelAutoFocus 908f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // and looper thread. 909f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - The application calls autoFocus. 910f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - HAL sends CAMERA_MSG_FOCUS, which enters the looper message queue. 911f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // Before event handler's handleMessage() is invoked, the application 912f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // calls cancelAutoFocus and autoFocus. 913f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // - The application gets the old CAMERA_MSG_FOCUS and thinks autofocus 914f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // has been completed. But in fact it is not. 915f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // 916f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // As documented in the beginning of the file, apps should not use 917f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // multiple threads to call autoFocus and cancelAutoFocus at the same 918f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // time. It is HAL's responsibility not to send a CAMERA_MSG_FOCUS 919f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li // message after native_cancelAutoFocus is called. 920f05c1d63d16e790ac78c5854bb12374f45d6118eWu-cheng Li mEventHandler.removeMessages(CAMERA_MSG_FOCUS); 921244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 922244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 923244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 924244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 9259d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Callback interface used to notify on auto focus start and stop. 9269d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9276574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * <p>This is only supported in continuous autofocus modes -- {@link 9286574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * Parameters#FOCUS_MODE_CONTINUOUS_VIDEO} and {@link 9296574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * Parameters#FOCUS_MODE_CONTINUOUS_PICTURE}. Applications can show 9306574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * autofocus animation based on this.</p> 9319d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9329d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public interface AutoFocusMoveCallback 9339d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li { 9349d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9359d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Called when the camera auto focus starts or stops. 9369d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9379d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param start true if focus starts to move, false if focus stops to move 9386574539baecc8610529596554b7bca0f21b334b8Wu-cheng Li * @param camera the Camera service object 9399d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9409d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li void onAutoFocusMoving(boolean start, Camera camera); 9419d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9429d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9439d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 9449d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * Sets camera auto-focus move callback. 9459d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * 9469d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li * @param cb the callback to run 9479d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li */ 9489d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li public void setAutoFocusMoveCallback(AutoFocusMoveCallback cb) { 9499d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li mAutoFocusMoveCallback = cb; 9509d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li enableFocusMoveCallback((mAutoFocusMoveCallback != null) ? 1 : 0); 9519d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li } 9529d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9539d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li private native void enableFocusMoveCallback(int enable); 9549d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li 9559d062cfe94dcd24b1d61fc83e5de565cb67965b1Wu-cheng Li /** 956bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 957bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 958bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 963bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 964bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 965bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 966bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 967bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 973bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 974bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 975bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 979bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 980bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 981bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 9829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 990bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 9919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 992bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 996e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 997e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 998e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 999e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1000e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 10019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 10029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 10039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 10049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 10059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 1006e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 1007e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 10089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 10099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 10109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 10119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 10129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 1013e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 1014bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 1015bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 1016bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 101742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 101842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 101942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 102040057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 1021bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 1022bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 102340057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 1024bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 1025bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 1026e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 1027bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 1028e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 1029e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 1030e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 1033e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 1035e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1036e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 1037e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 1038e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 1039e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 1040e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1041e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 1042e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 1043e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1044e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 1045e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 1046e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1047e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 1048e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 1049e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 1050e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 1051e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1054e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1055bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 10563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 10573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 1058bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 1059bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 1060bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 1061bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 1062bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 1063bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 1064bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 1065bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 1066bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 106736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 106836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 106936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 10700ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 10710ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 1072bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 107336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 107436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 107536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 107636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 1077bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 10783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 10793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 10808cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 10810ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 10820ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 108336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 108436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 108536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 108636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 10872fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 10882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 10892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 1090b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 1091b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 1092b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 1093d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 109469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 10952fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 10962fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 1097d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 109869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 109969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 1100b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 1101724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 1102724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1103724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1104724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1105724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1106724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1107724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1108724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1109724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1110724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1111724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1112724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1113724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1114724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1115b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 11162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 11172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 11182fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 11192fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 11202fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 11212fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 11222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1123724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1124724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1125b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1126d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1127d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * <p>Starting from API level 14, this method can be called when preview is 1128d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * active. 1129d303362ac21fb9de40f2f2366cbe7ecaa113dc12Wu-cheng Li * 1130d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1131e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1132e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 11332fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1134d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1135d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1136d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1137d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1138bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1139bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1140bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1141bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1142e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1144e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1145e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1146bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 114736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 114836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 11493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 115036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 115136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1152e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1153e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1155e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1156e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1157e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 11583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 115936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 11608cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 11613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 11628cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1163e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 11643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1165e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 11663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1167e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 11689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 11714c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 11744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 11774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 117853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @param faces The detected faces in a list 1179464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @param camera The {@link Camera} service object 11804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1181f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 11824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1185c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 11864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 11874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1189c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 11904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11914c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 11924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 11934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 11944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11964c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1197c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 11984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 11994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 12004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 12014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1202c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 12034c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 12044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 12058c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 12064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 12078c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * have no effect. The camera uses the detected faces to do auto-white balance, 12088c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * auto exposure, and autofocus. 12098c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12108c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>If the apps call {@link #autoFocus(AutoFocusCallback)}, the camera 12118c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * will stop sending face callbacks. The last face callback indicates the 12128c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * areas used to do autofocus. After focus completes, face detection will 12138c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * resume sending face callbacks. If the apps call {@link 12148c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * #cancelAutoFocus()}, the face callbacks will also resume.</p> 12158c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12168c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>After calling {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 12178c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Camera.PictureCallback)} or {@link #stopPreview()}, and then resuming 12188c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * preview with {@link #startPreview()}, the apps should call this method 12198c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * again to resume face detection.</p> 12204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1221c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 12224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 12234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 12244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 12254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1226c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 12274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1228c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 12294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 12304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 12314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1232c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 12334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 12344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1237c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 12384c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1239464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 12414c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 12424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 12434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 12444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 12454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 12474c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 12484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12494c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1250464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * Information about a face identified through camera face detection. 125153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 1252464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * <p>When face detection is used with a camera, the {@link FaceDetectionListener} returns a 1253464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * list of face objects for use in focusing and metering.</p> 12544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1255464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see FaceDetectionListener 12564c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1257f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1258c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1259c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1260c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1261bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1262bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1263bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 12644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 12654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 12664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1267c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1268c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 12698c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). It is 12708c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * guaranteed left < right and top < bottom. The coordinates can be 12718c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * smaller than -1000 or bigger than 1000. But at least one vertex will 12728c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * be within (-1000, -1000) and (1000, 1000). 1273f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1274f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1275f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 12768c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. The face bounding 12778c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * rectangle does not provide any information about face orientation.</p> 12788c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * 12798c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <p>Here is the matrix to convert driver coordinates to View coordinates 12808c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * in pixels.</p> 12818c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * <pre> 12828c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * Matrix matrix = new Matrix(); 12838c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * CameraInfo info = CameraHolder.instance().getCameraInfo()[cameraId]; 12848c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Need mirror for front camera. 12858c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * boolean mirror = (info.facing == CameraInfo.CAMERA_FACING_FRONT); 12868c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.setScale(mirror ? -1 : 1, 1); 12878c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // This is the value for android.hardware.Camera.setDisplayOrientation. 12888c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postRotate(displayOrientation); 12898c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // Camera driver coordinates range from (-1000, -1000) to (1000, 1000). 12908c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * // UI coordinates range from (0, 0) to (width, height). 12918c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postScale(view.getWidth() / 2000f, view.getHeight() / 2000f); 12928c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * matrix.postTranslate(view.getWidth() / 2f, view.getHeight() / 2f); 12938c13670c13a7a965884d92193b039e26c96b95c6Wu-cheng Li * </pre> 12944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1295464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 12964c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1297bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 12984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 12994c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1300464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * The confidence level for the detection of the face. The range is 1 to 100. 100 is the 1301c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * highest confidence. 13024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1303464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 13044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1305bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 1306d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1307d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1308d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * An unique id per face while the face is visible to the tracker. If 1309d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the face leaves the field-of-view and comes back, it will get a new 1310d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * id. This is an optional field, may not be supported on all devices. 1311d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * If not supported, id will always be set to -1. The optional fields 1312d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are supported as a set. Either they are all valid, or none of them 1313d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * are. 1314d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1315d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public int id = -1; 1316d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1317d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1318d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the left eye. The coordinates are in 1319d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1320d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1321d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1322d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1323d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1324d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point leftEye = null; 1325d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1326d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1327d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the right eye. The coordinates are 1328d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * in the same space as the ones for {@link #rect}.This is an optional 1329d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1330d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1331d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1332d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1333d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point rightEye = null; 1334d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua 1335d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua /** 1336d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * The coordinates of the center of the mouth. The coordinates are in 1337d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * the same space as the ones for {@link #rect}. This is an optional 1338d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * field, may not be supported on all devices. If not supported, the 1339d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * value will always be set to null. The optional fields are supported 1340d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua * as a set. Either they are all valid, or none of them are. 1341d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua */ 1342d52b308916d5f207791788e00bc48baecb90d8b8Wei Hua public Point mouth = null; 13434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 13444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1346bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1348bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1349bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1350bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1352bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1353bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1355bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1356bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1357bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 13599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1361bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1362bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1381bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 13939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 139599a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1396bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1403bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1404bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1405bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1407bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14171c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * Returns an empty {@link Parameters} for testing purpose. 14181c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 1419f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa * @return a Parameter object. 14201c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * 14211c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li * @hide 14221c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li */ 14231c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li public static Parameters getEmptyParameters() { 14241c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li Camera camera = new Camera(); 14251c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li return camera.new Parameters(); 14261c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li } 14271c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li 14281c04a33c040dfb610952d62da9c93a53c291b2d7Wu-cheng Li /** 1429bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 14349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14424c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 14434c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 14444c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 14454c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 14464c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 14474c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 14484c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 14494c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 14504c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 14514c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 14524c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 14534c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14544c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 14554c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 14564c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14574c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 14584c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 14594c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 14604c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 146832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 146932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 147032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 147132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 147232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 147332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 147432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 147532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 147632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 147732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 147832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 147932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 148032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 148132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 148232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 148332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 148432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 148532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 148632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 148732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 148832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 148932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1490bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1491bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1492bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1493bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1494bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1495bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1496bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 149730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 149830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 149930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 150030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 150130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 150232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 150332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 150430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 150530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 150630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 150730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 150830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 150930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 151030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 151130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 151230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 151330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 151430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 151530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 151630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 151730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 151830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 151930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 152030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 152130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 152230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 152330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 152430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 152530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 152630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 152730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 152830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 152930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1530bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 153132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 153232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 153332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 153432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 153532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1536bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1537bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1538bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1539bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 154030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 154130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1542bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 154332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 154432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 154532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 154632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 154732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1548bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1549bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1550bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1551bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 155230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1553bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 155430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 155530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1556bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 15579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1559bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1560bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1561bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1562bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 15639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 15659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 15669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1567bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1568bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1569bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1570bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 15739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 15749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 15759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 15769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1577454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 15789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 15799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 15804c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 15819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 15829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 15839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 15849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 15859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 15869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 15879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 15889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 15899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1590055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 15919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 15929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 15939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 15949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 15959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 159636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 159730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 159830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 15996c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 16006c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 16016c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1602ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 160324b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 160424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 160524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 16063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 16073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1608d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1609d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1610e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1611e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 16128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 16138cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 16148cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 16158cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 16168cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1617e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1618dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1619dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1620dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 16214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 16224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 162325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 162498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li private static final String KEY_VIDEO_SNAPSHOT_SUPPORTED = "video-snapshot-supported"; 1625037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION = "video-stabilization"; 1626037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala private static final String KEY_VIDEO_STABILIZATION_SUPPORTED = "video-stabilization-supported"; 1627e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 16289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 16299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 16309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 16323773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 16338cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 16349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 16359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 16369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 16379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 16389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 16399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 16409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 16419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 16429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 16439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 16459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 16469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 16479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 16489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 16499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 16509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 16519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 16529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 16539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 16549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 16569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 16579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 16589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 16599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 16609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 16629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 16649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 166636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1668068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1669068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 16709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 167236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1674068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1675068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 16769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 167836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 16799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 16819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 168336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 168436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1685068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1686068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 168736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1688068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 16899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 169000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 169100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 169200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 169400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 169500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 169600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 169700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 169800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 16999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 170000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 170100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 170300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 170500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 170600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 170700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 170800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 171000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 171100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 171200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 171300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 171500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 171600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 171700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 171800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 172000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 172100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 172200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 172300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 172500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 172600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 172700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 172800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 173000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 173100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 173200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 173300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 173500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 173600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 173700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 173800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 174000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 174100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 174200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 174300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 174500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 174600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 174700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 174800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 175000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 175100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 175200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 175300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 175400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 175600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 175700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 175800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 175900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 176100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 176200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 176300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 176400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 17659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 17669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1767c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1768c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1769c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1770c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1771c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1772c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 177336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1774f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1775f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 177636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 177736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 177836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 177936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 178036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 178136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 178236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 178336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1784f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1785f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1786f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1787f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1788f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1789f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 179036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 179136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 179236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 179336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 179436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 179536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 179636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 179736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 179836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 179936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1800c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1801c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1802c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1803c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1804c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1805c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1806c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1807699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1808d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1809b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1810b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1811b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1812b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1813b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 181453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * set. 181553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 181653b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * <p>Since API level 14, applications can call {@link 181753b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. The focus callback will 181853b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * immediately return with a boolean that indicates whether the focus is 181953b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * sharp or not. The focus position is locked after autoFocus call. If 182053b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * applications want to resume the continuous focus, cancelAutoFocus 182153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * must be called. Restarting the preview will not resume the continuous 182253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * autofocus. To stop continuous focus, applications should change the 182353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * focus mode to other modes. 182453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 182553b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_PICTURE 1826d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1827d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1828699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1829b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1830b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1831b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1832b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 183353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * starts when the parameter is set. 183453b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * 18350f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * <p>Applications can call {@link #autoFocus(AutoFocusCallback)} in 18360f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * this mode. If the autofocus is in the middle of scanning, the focus 18370f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * callback will return when it completes. If the autofocus is not 18380f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * scanning, the focus callback will immediately return with a boolean 18390f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * that indicates whether the focus is sharp or not. The apps can then 18400f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * decide if they want to take a picture immediately or to change the 18410f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * focus mode to auto, and run a full autofocus cycle. The focus 18420f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * position is locked after autoFocus call. If applications want to 18430f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * resume the continuous focus, cancelAutoFocus must be called. 18440f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * Restarting the preview will not resume the continuous autofocus. To 18450f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * stop continuous focus, applications should change the focus mode to 18460f4f97b70f6ad59b32e78720ba7357733bdef3e9Wu-cheng Li * other modes. 1847b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1848b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1849b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1850b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1851b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1852e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1853e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1854e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1855e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1856e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1857e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1858e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1859e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1860e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1861e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1862e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1863e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1864e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1865e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1866e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1867e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1868e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1869e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1870e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1871ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1872454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1873454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1874454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1875454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1876454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1877454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1878454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1879454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1880454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1881454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1882454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1883454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1884454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 18859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 18869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 18879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1888eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 188910a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 18909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 18919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 189270fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 18939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 18989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 19039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 19049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 19079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 19089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 19159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 19169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 19189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 19219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 19229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 19239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 19249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 19279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 19299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 19309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 19319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 19359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 19379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 19409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 19429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 19439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 19469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 19479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 19489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 19499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 19509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 19529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 19539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 19549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 19589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 1968cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (key.indexOf('=') != -1 || key.indexOf(';') != -1 || key.indexOf(0) != -1) { 1969cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ; or \\0)"); 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1972cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala if (value.indexOf('=') != -1 || value.indexOf(';') != -1 || value.indexOf(0) != -1) { 1973cb56923ba6350cf7441260886f6e8a1c6785886dEino-Ville Talvala Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ; or \\0)"); 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 19829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 19849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 19859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 19879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 19889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1990e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1991f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1992f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1993f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1994f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1995f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1996f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1997f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1998f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1999f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 2000f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2001f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 2002f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2003f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 2004f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2005f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 2006f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 2007f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 2008f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 2009f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 2010f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 2011f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 2012e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 2013e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 2014e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 20159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 20179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 20209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 20229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 20239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 20279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 20299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 20309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 203626274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 203726274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 203826274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 20399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2040c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 2041c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 2042c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 2043c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 2044c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 2045c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 2046c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 2047c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 2048c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 2049c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 2050c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 20519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 20529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 2053c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 2054c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 2055c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 2056c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 20579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 20599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 20609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 20619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 20659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 2066dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 20679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 20689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 20709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 20719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 20729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 20769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 20789c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 20799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 20819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 20829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 20839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 208632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 208732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 2088dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 208932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 2090dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 2091dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 2092dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 2093dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 209432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 2095dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2096dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 2097dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 2098dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 2099dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2100dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 2101dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 2102dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 2103dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2104dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2105dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 2106dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 2107dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 2108dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 2109dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 2110dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 2111dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 2112dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 2113dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 2114dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 2115dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 2116dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 2117dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 2118dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 2119dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 2120dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 2121dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 2122dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 2123dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 2124dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 2125dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 212632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 21274c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 212832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 213032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 213132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2132c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 21349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 2135c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 21369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 21389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 21399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 21409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 21469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 21479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 21499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21544c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 21554c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 21563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 21574c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 21584c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 21594c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 21604c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 21614c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 21624c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 21634c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 21644c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 21654c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 21699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 21729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 21779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 21819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 21829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 21869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 21879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 21889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 21899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 21919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 21929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 21969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 22009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 22019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2204a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 2205a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 22085f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 22099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22105f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 22129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 22139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2216a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2217a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2218a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 22199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 22215f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 22229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22235f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 22259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 22269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 22309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 22323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 22335f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 22349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22355f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 22369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 22379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 22389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2242454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 22431620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2244454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2245454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2246454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2247454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2248454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2249454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2250454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2251454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2252454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2253454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2254454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2255454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2256454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2257454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2258454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2259454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2260454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2261454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2262454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2263454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2264454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2265454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2266454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2267454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2268454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 22695f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2270454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2271454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2272454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2273454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2274454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2275454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2276454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2277454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2278454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2279454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2280454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2281454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2282454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2283454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2284454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2285454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2286454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2287454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2288454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2289454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2290454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2291454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2292454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2293454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2294454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2295454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2296454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 22977478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2298da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2299a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2300df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 23017478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2302df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 2303a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 2304a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 2305a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2306a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2307a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 23089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 23109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 23119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 23129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 23149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 23179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 23219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 23227478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 23233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 23243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 23279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 23289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2331f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2332f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2333f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 23349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 23363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 23389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 23409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2341eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2342eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2343eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2344a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2345eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2346eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2347eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 235132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 23529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 235332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 235432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2355c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 23569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 23579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2358c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2359c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 23629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 23639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 23649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 23689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 23739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 23749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 23759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 23799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 23813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 23829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 23849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 23859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 23869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 23909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2392a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2393a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2394a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2395a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 23989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 24009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 24019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 24029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 24059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 24099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 24113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 24129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 24139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 24149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 24159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 24199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 24213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 24223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 24239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 24259c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 24269c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 24279c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 24289c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2429a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 24309c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 24319c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 24329c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 24339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 24369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2437a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2438a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2439a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 244010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2441a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2442a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 244370fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2444a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 24459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 24499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2450a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 24519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2453a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 24549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2456a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 24579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2458eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2459a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2460eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 246110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 246210a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 246310a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 24649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2465a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 24669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2468a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 24699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2470a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 24719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24748969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * Sets the clockwise rotation angle in degrees relative to the 24758969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * orientation of the camera. This affects the pictures returned from 24768969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * JPEG {@link PictureCallback}. The camera driver may set orientation 24778969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * in the EXIF header without rotating the picture. Or the driver may 24788969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * rotate the picture and the EXIF thumbnail. If the Jpeg picture is 24798969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * rotated, the orientation in the EXIF header will be missing or 1 24808969ea12ca55eef75783796ba52a0120f7188095Wu-cheng Li * (row #0 is top and column #0 is left side). 24819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 248269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 24832fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 24842fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 24852fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 24862fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 248769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 24882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 24892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 24902fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 24912fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 24929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 249369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 24942fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 24952fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 24962fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 24972fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 24982fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 24992fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 250069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 25012fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 2502e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * <pre> 25039a10bf0386ac9822e33a15820d8cd1fd8bdb5572Scott Main * public void onOrientationChanged(int orientation) { 25042fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 25052fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 25062fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 25072fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 25082fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 25092fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 25102fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 25112fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 25122fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 25132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 25142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 25152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 25162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 2517e0cc55ac725feec88c77b482d1990221c9a80f74Eino-Ville Talvala * </pre> 25182fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 25192fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 25202fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 25212fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 25229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 25239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 25242fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 25259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 25279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 25289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 25299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 25309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 25319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 25329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 25339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 25389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 25399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 25419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 25439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 25449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 25489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 25499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 25519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 25539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 25549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 25589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 25609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 25639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 25729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 25739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2576e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2577055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2578055c986ab841f8f758398841730f1e90313b132aRay Chen * 2579055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2580055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2581055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2582055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2583055c986ab841f8f758398841730f1e90313b132aRay Chen } 2584055c986ab841f8f758398841730f1e90313b132aRay Chen 2585055c986ab841f8f758398841730f1e90313b132aRay Chen /** 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 25889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 25919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 25929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 25939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2594055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 25959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 25999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 26013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 26023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 26033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 26043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 26053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 26063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 26073f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 26083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 26093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 26103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 26119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 26139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 26149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 261716b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 2618b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * auto-white balance lock. It is recommended not to change white 2619b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li * balance and AWB lock at the same time. 26209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 26223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 2623037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 26249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 2626b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li String oldValue = get(KEY_WHITE_BALANCE); 2627b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (same(value, oldValue)) return; 26289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 262916b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 26309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 26349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 26363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 26373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 26389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 26409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 26419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 26469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 26489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 26503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 26513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 26523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 26533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 26543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 26553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 26563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 26573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 26589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 26609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 26619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 26659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 26673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 26709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 26719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 26759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 26779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 26783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 26799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 26819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 26829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 26839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 26869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 26879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 26889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 26893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 26903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 26913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 26923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 26933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 26943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 26959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 26969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 26979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 26989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 27029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 27043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 27059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 27079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 27089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 27129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 27143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 27153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 27169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 27189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 27199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 27249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 27269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 27273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 27283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 27293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 27303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 27313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 27323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 27333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 27343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 27353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 27363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 27373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 27383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 27393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 27403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 27413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 27429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 27449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 27459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2748c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2749c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2750c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2751c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2752c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 27532988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 27542988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 27559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 27573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 27609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 27619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 27659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 27673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 27683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 27699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 27719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 27729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 27739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 27779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 27793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 27803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 27813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 27823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 27833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 27843f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 27859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 27879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 27889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 27909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 27919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 27929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 27933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 27943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 27959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 27969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 27979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 27989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 27999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 28009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 28019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 28029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 28033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 28043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 28053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 28069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 28079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 28089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 28099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 28109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 28119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 281236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 281336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 281436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2815699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2816699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2817699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2818699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 28193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 28203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 28213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 28223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2823f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2824d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 282536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 282636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 282736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 282836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 282936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 283036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 283136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 283236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 28333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 28343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 283536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 283636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 283736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 283836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 283936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 284036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 284136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 284236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 28433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 28443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 28453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 284636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 284736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 284836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 284936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 285036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 285136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 285236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 28536c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 28546c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28556c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 28566c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 28576c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28586c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 28596c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 28606c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28616c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28626c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28636c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 28646c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28656c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 28666c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28676c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28686c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 28696c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 28706c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28716c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28726c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 28736c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 28746c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 28756c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 28766c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 28776c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 28786c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 28796c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 28806c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 28816c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 28826c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 288324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2884ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 288524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 288624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 288724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 288824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2889ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2890ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 289124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2892ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2893ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2894ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 289524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2896ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 28970402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 28980402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 289924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 290024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 290124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 290224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2903ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2904ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2905ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2906ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2907ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2908ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 290924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2910ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 291124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 291224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 291324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 291424b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 291524b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 291624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 291724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 291824b326a8978bf78e3e560723dde221792784325bWu-cheng Li 291924b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 292024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 292124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 292224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 292324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 292424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2925ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 292624b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 292724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 292824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 292924b326a8978bf78e3e560723dde221792784325bWu-cheng Li 293024b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 293124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 293224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 293324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 293424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 293524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 293624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 293724b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 293824b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 293924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2940ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2941ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2942ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2943d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2944d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 29453773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2946d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2947d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2948d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2949d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2950d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2951d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2952d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2953d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2954d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2955b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 2956b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock.</p> 2957d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2958b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, auto-exposure lock, and auto-white balance 2959b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * lock can be used to capture an exposure-bracketed burst of images, 2960b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * for example.</p> 2961d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2962d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 29633773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 29643773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 29653773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2966d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2967d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 29683773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29693773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 29703773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 29713773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 29723773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2973d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 29743773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29753773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 29763773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 29773773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29783773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29793773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29803773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 29813773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 29823773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29833773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29843773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 2985b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-exposure is currently locked, and false otherwise. 29863773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 29883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 29893773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 29903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 29913773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 29923773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 29933773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 29943773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 29953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 29963773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 29973773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 29983773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 29993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30003773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 30013773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 30023773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 30033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 30043773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 30053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 30063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 30073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 30083773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 30093773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 3010d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 3011d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 3012d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 3013d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3014d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 3015d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 3016d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3017d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 3018d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 3019d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 3020d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3021d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 3022d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 3023b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}, will not change the 3024b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * the lock.</p> 3025d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 302616b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 302716b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 302816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 3029b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * <p>Exposure compensation, AE lock, and AWB lock can be used to 3030b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * capture an exposure-bracketed burst of images, for example. 3031b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * Auto-white balance state, including the lock state, will not be 3032b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * maintained after camera {@link #release()} is called. Locking 3033b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * auto-white balance after {@link #open()} but before the first call to 3034b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * {@link #startPreview()} will not allow the auto-white balance routine 3035b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * to run at all, and may result in severely incorrect color in captured 3036b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * images.</p> 3037d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3038d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 3039d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 3040d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 3041d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3042d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 304316b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 3044d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3045d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 3046d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 3047d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3048d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3049d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3050d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 3051d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 3052d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 3053d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 3054d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3055d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 3056d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 3057b4f95be03e018df825356fe2cd363797c66303f1Wu-cheng Li * otherwise. 3058d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3059d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3060d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3061d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3062d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 3063d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 3064d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3065d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3066d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3067d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 3068d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 3069d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 3070d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 3071d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3072d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 3073d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 3074d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 3075d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 3076d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 3077d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 3078d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 3079d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 3080d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 3081d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 308236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 30838cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 30848cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 308536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 308636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 30878cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 308836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 308936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 30908cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 309136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 309236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 309336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 30948cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 30958cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 30968cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 30978cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 30988cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 30998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 310036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 310136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 310236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 310336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 31048cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 310536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 310636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 310736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 310836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 310936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 311036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 311136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 311236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 311336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 31148cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 31158cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 311636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 311736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 311836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 311936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 312036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 31218cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 31228cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 31238cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 312436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 312536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 312636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 312736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 31288cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 312936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 313036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 313136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 31328cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 31338cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 313436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 31358cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 31368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 31378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 31388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 31398cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 314036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 31418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 31428cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 314336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 314436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 314536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 314636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 314736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 314836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 314936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 315036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 315136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 31528cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 31538cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 315436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 315536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 3156e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 315732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 3158e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 315932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 3160e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 316132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 3162e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 3163e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 3164e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 3165d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 316632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 3167699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 316832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 3169699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 3170699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 3171699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 317232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 3173e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 317432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 3175185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 317632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 3177e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 3178e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 3179e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 3180e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 3181185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 3182185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 3183185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 3184e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3185e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3186e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3187e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3188f76a50ce8fdc6aea22cabc77b2977a1a15a79630Ken Wakasa "output must be a float array with three elements."); 3189e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3190454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3191e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3192e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 319330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 319430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 31957b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 31967b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 319730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 319830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 319930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 320030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 320130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 320230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 320330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 320430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 320530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 320632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 320732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 320830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 320932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 32107b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 321132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 321230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 321332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 321430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 321530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 321630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 321730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3218bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 321932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 322030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 322132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 32224e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 32234e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 32244e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 32254e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 322632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 322730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 322832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 322932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 323032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 323132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 323232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 323330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 323432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 323530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 323630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 323730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 323832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 323930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 324032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 324153b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, 324253b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}, or 324353b30912d3e8598c05e47308981971e958e98db2Wu-cheng Li * {@link #FOCUS_MODE_CONTINUOUS_PICTURE}.</p> 324430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 324530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 324630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 324730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3248f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 324930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 325030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 325130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 325230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 325330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 32547b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 325530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 325630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3257e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3258e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3259e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3260e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3261e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3262e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 32637b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 32647b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3265e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3266e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3267e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3268e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3269e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3270e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3271e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3272e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3273e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 327432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 327532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3276e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 327732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 32787b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 32797b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 328032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3281e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 328232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3283e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3284e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3285e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3286e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3287bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 328832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3289e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 329032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 32914e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 32924e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 32934e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 329432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3295e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 329632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 329732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 329832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 329932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 330032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3301e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 330232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3303e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3304e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3305e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 330632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3307e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 330832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 330932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3310e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3311e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3312e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3313e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3314d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3315e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3316e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3317e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3318e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3319e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3320e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 33217b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3322e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3323e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3324e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3325e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 332630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 332730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 33284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 33294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 33304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 33314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 33324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 33334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 33344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 3335464cb21e2aaa448072449b82156f18bd64c0e613Joe Fernandez * @see #startFaceDetection() 33364c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3337c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3338c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 33394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 33404c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 334125d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 33429c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 33439c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 33449c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 33459c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 33469c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 33479c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 33489c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 33499c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 33509c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 33519c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 33529c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 33539c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 33549c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 33559c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 33569c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 335725d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 335825d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 335925d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 336025d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 336125d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 336225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 336398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li /** 336498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Returns true if video snapshot is supported. That is, applications 336598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * can call {@link #takePicture(Camera.ShutterCallback, 336698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} 336798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * during recording. Applications do not need to call {@link 336898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #startPreview()} after taking a picture. The preview will be still 336998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * active. Other than that, taking a picture during recording is 337098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * identical to taking a picture normally. All settings and methods 337198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * related to takePicture work identically. Ex: {@link 337298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #getPictureSize()}, {@link #getSupportedPictureSizes()}, {@link 337398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #setJpegQuality(int)}, {@link #setRotation(int)}, and etc. The 337498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * picture will have an EXIF header. {@link #FLASH_MODE_AUTO} and {@link 337598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * #FLASH_MODE_ON} also still work, but the video will record the flash. 337698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 337798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Applications can set shutter callback as null to avoid the shutter 337898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * sound. It is also recommended to set raw picture and post view 337998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * callbacks to null to avoid the interrupt of preview display. 338098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 338198bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * Field-of-view of the recorded video may be different from that of the 338298bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * captured pictures. 338398bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * 338498bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li * @return true if video snapshot is supported. 338598bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li */ 338698bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li public boolean isVideoSnapshotSupported() { 338798bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li String str = get(KEY_VIDEO_SNAPSHOT_SUPPORTED); 338898bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li return TRUE.equals(str); 338998bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li } 339098bb251c8b527600e7a4cca6cc33499710bbfbf1Wu-cheng Li 3391037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3392037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Enables and disables video stabilization. Use 3393037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #isVideoStabilizationSupported} to determine if calling this 3394037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * method is valid.</p> 3395037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3396037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization reduces the shaking due to the motion of the 3397037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * camera in both the preview stream and in recorded videos, including 3398037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * data received from the preview callback. It does not reduce motion 3399037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * blur in images captured with 3400037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link Camera#takePicture takePicture}.</p> 3401037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3402037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * <p>Video stabilization can be enabled and disabled while preview or 3403037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * recording is active, but toggling it may cause a jump in the video 3404037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * stream that may be undesirable in a recorded video.</p> 3405037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3406037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @param toggle Set to true to enable video stabilization, and false to 3407037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * disable video stabilization. 3408037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3409037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3410037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3411037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public void setVideoStabilization(boolean toggle) { 3412037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala set(KEY_VIDEO_STABILIZATION, toggle ? TRUE : FALSE); 3413037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3414037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3415037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3416037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Get the current state of video stabilization. See 3417037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3418037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3419037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is enabled 3420037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #isVideoStabilizationSupported() 3421037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3422037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3423037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean getVideoStabilization() { 3424037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION); 3425037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3426037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3427037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 3428037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala /** 3429037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * Returns true if video stabilization is supported. See 3430037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * {@link #setVideoStabilization} for details of video stabilization. 3431037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * 3432037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @return true if video stabilization is supported 3433037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #setVideoStabilization(boolean) 3434037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala * @see #getVideoStabilization() 3435037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala */ 3436037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala public boolean isVideoStabilizationSupported() { 3437037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala String str = get(KEY_VIDEO_STABILIZATION_SUPPORTED); 3438037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala return TRUE.equals(str); 3439037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala } 3440037abb8bb064c2878858c9b69978f6754f242627Eino-Ville Talvala 34419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 34429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 34449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 34479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 34499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 34519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 34539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 34569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 34579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 34589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 34599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 34609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 34619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 34629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 34639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 34649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 34659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 34679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 34689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 34699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3470454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3471454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3472454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3473454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3474454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3475454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3476454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3477454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3478454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3479454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3480454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3481e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3482454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3483454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3484e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3485e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3486454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3487e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3488e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3489454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3490e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3491e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3492e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 349324b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 349424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 349524b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 349624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 349724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 349824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 349924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 350024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 350124b326a8978bf78e3e560723dde221792784325bWu-cheng Li 350224b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 350324b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 350424b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 350524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 350624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 350724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 350824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 350924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 351024b326a8978bf78e3e560723dde221792784325bWu-cheng Li 35119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 35129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 35139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 35149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 35159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 35179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 35189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 35199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 35209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 35219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 35239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 35249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 35279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 35289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 35299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 35309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 35319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 35329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 35339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 35349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 35359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 35369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 35379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 35389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 35399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 35409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3541454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3542454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3543454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3544454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3545454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3546454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3547454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3548454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3549454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3550454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3551454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3552454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3553454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3554454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3555454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3556454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3557454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3558454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3559454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3560454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3561454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3562454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3563454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3564454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3565454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 356630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 356730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 356830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3569f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 357030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 357130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 357230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 357330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 357430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 357530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 357630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 357730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 357830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 357930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 358030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 358130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 358230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 358330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 358430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 358530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 358630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 358730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 358830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 358930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3590f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3591f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3592bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3593f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3594f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3595f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3596f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3597f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3598f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3599f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 360030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 360130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 3602b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li 3603b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li private boolean same(String s1, String s2) { 3604b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 == null && s2 == null) return true; 3605b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li if (s1 != null && s1.equals(s2)) return true; 3606b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li return false; 3607b838d8d4a26c3cfea2e2a5ce831daebbb5653ae7Wu-cheng Li } 36089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 36099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3610