Camera.java revision 16b67137b893f32491a38ab81d49368322e1ae92
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.hardware; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant; 2010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Liimport android.annotation.SdkConstant.SdkConstantType; 21a696f5d667227365da732481770767dcb330dd23Mathias Agopianimport android.graphics.ImageFormat; 224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Liimport android.graphics.Point; 2330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Liimport android.graphics.Rect; 24fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennisimport android.graphics.SurfaceTexture; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 28bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.util.Log; 29bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.Surface; 30bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport android.view.SurfaceHolder; 31bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li 32bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.io.IOException; 33bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.lang.ref.WeakReference; 34bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.ArrayList; 35bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.HashMap; 36bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.List; 37bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Liimport java.util.StringTokenizer; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 394c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 41bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 42bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 43bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 44df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 45bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 467478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 48df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 49bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 507478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 51df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 52df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 53df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 54df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 55df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 58bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 59341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 105bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 106bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 107bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 108bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 109bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 110bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 111341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 112bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 113bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 114df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 115df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 116df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1177478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 118df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 123d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 124da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 125da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 126da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 127da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 128da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 129da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 130da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 131da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 132da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 1334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_RAW_IMAGE_NOTIFY = 0x200; 134bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li private static final int CAMERA_MSG_PREVIEW_METADATA = 0x400; 1354c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final int CAMERA_MSG_ALL_MSGS = 0x4FF; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 143e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private FaceDetectionListener mFaceListener; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 14994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1504c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private boolean mFaceDetectionRunning = false; 1519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new picture is taken by the camera, and the entry of 15410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * the picture has been added to the media store. 15510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the picture. 15610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 15710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 15810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_PICTURE = "android.hardware.action.NEW_PICTURE"; 15910e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16010e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 16110e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * Broadcast Action: A new video is recorded by the camera, and the entry 16210e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * of the video has been added to the media store. 16310e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li * {@link android.content.Intent#getData} is URI of the video. 16410e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li */ 16510e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li @SdkConstant(SdkConstantType.BROADCAST_INTENT_ACTION) 16610e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li public static final String ACTION_NEW_VIDEO = "android.hardware.action.NEW_VIDEO"; 16710e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li 16810e09c69d659bf54d6efbe1a3660add7f8a39d6eWu-cheng Li /** 1694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Hardware face detection. It does not use much CPU. 1704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 171c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_HW = 0; 1724c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 174c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Software face detection. It uses some CPU. 1754c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 176c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li private static final int CAMERA_FACE_DETECTION_SW = 1; 1774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 179341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 180e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 181e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 182e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 183e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 184341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 185b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 186b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 187b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 188b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 189b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 190b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 191b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 192b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 1937836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1947836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 1957836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 196b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 1977836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 1987836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1997836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 2007836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 201b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 202b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 203b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 204b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The direction that the camera faces to. It should be 205b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 206b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2077836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 208b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 209b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 21032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The orientation of the camera image. The value is the angle that the 211b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 21232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the display in its natural orientation. It should be 0, 90, 180, or 270.</p> 213b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 21432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>For example, suppose a device has a naturally tall screen. The 2152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 2162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 2172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 2182fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 21932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the right of the screen, the value should be 270.</p> 220b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 221b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 22269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 22369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 22469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 22569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 226b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 2277836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 228b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 229b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 230b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 231341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 232bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 233bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 234bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 235bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 236341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 237341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 238bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 239bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 240bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 241bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 242bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 243bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 244bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 245bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 246bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 247bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 248bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 249341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 250a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 251bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 252bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 253facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * example, if the camera is in use by another process or device policy 254facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * manager has disabled the camera). 255facc8ce116bd92f7ba7e8ecb76cbda3953260ef9Wu-cheng Li * @see android.app.admin.DevicePolicyManager#getCameraDisabled(android.content.ComponentName) 256e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 257e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 258e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 259e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 260e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 261e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 262a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 263a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 264a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2657836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 268a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 269a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 270a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 271a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 272a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 273a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 274a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 275a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 276a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 284e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 296e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 3009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li native_release(); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 303e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 3059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 309bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 310bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 3144c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 319bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 320bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 321bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 322bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 323bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 324bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 325bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 32642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#setCamera(Camera)}. This cannot be 32742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * called after recording starts. 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 329bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 331bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 3349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 34042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, camera is automatically locked for applications in 34142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 34242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 34342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 34442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 346bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 348bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 350ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 353bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 354bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 355bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 356bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 357bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 35942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, camera is automatically locked for applications in 36042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()}. Applications can use the 36142419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * camera (ex: zoom) after recording starts. There is no need to call this 36242419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * after recording starts or stops. 363bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 364bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 365bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 366bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 367bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 369bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 372bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 373fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 374fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 375fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 376fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 380bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 381bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 382bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 383bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 384bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 385bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 389bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 390bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 3919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 393bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 394bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 395bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 398b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 399b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 400b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 401b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 402b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 405dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 408fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 409fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 410fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 411fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 412fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 413fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 414fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 415fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 416fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 417fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 418fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 419fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 420fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 421fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 42232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The timestamps provided by {@link SurfaceTexture#getTimestamp()} for a 423e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * SurfaceTexture set as the preview texture have an unspecified zero point, 424e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * and cannot be directly compared between different cameras or different 425e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * instances of the same camera, or across multiple runs of the same 426e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * program. 427e309a0fd2e528039b3c1f1372a9a7095bcd852ccEino-Ville Talvala * 428fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 429fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 430fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 431fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 432fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 433fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 434dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 435fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 436fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 437bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 438bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 439bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 440bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 441bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 442bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 443bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 448bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 449341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 451bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 452a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 453df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 454da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 457bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 464c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 465c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 466c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 467bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 468bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 469bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 470bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 471bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 472bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopPreview() { 4814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopPreview(); 4824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 4834c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 4844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 4854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopPreview(); 4869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 4949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 496bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 497bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 498bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 499bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 501bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 502bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 50794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 508a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 509a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 51094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 514bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 516bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 517bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 519bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 52394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 52494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 52594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 52694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 52794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 52894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 52994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 53094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 53194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 532bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 533bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 534bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 535bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 536bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 53794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 538bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 539bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 540bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 541bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 54294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 543bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 544bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 545bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 54694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 547bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 548bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 549bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 55094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 55194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 55294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 55394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 55494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 55594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 55894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 561bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 562bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 563bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 564bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 565bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 566c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 567bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 568e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 569e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 570bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 571bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 572bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 57394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 574bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 575e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 576bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 577bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 578e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 579e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 580e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 58194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 582bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 583bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5845b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 58594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 586e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 590e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 591e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 592e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 593e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 594e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 595e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 596e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 597e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 598e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 599e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 600e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 601e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 602e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 603e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 604e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 605e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 606e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 607e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 608e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 609e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 610e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 611e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 612e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 61332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Please note that by calling this method, the mode for 61432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * application-managed callback buffers is triggered. If this method has 61532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * never been called, null will be returned by the raw image callback since 61632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * there is no image callback buffer available. Furthermore, When a supplied 61732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * buffer is too small to hold the raw image data, raw image callback will 61832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * return null and the buffer will be removed from the buffer queue. 619e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 620e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 621e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 622e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 623e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 624e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 625e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 626e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 627e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 628e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 629e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 630e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 631e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 632e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 633e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 634e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 635e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 636e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 637e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 638e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 639e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 640e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 641e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 642e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 643e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 644e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 645e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 646e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 647e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 661c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 666c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 667c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 668e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 670e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 673c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 674e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 676e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 679c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 681a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 683a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 684a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 685a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 68794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 688a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 689a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 690a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 69194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 693a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 697e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 698e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 699e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 700e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 701e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 702e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 703c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 704e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 706e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 707e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 708e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 709e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 7103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 7113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 712e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 715bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li case CAMERA_MSG_PREVIEW_METADATA: 7164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceListener != null) { 717f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li mFaceListener.onFaceDetection((Face[])msg.obj, mCamera); 7184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 7194c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li return; 7204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 721c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 723e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 725e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 749bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 750bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 7517478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 7527478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 753df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 754df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 7557478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 756df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 757df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 758bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 759bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 76469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 76569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 76669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 76769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 76983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * The auto-focus routine may lock auto-exposure and auto-white balance 77083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * after it completes. To check for the state of these locks, use the 77183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoExposureLock()} and 77283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 77383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * methods. If such locking is undesirable, use 77483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoExposureLock(boolean)} 77583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * and 77683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean)} 77783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * to release the locks. 77883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 78183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 78283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 788bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 789bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 790bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 791bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 792bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 793bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 794bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 795bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 79636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 797bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 798da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 7997478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 8007478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 801df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 802df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 803bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 804068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 805068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 806bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 8077478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 80883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * The auto-focus routine may lock auto-exposure and auto-white balance 80983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * after it completes. To check for the state of these locks, use the 81083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoExposureLock()} and 81183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#getAutoWhiteBalanceLock()} 81283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * methods after the {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 81383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * callback is invoked. If such locking is undesirable, use 81483d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoExposureLock(boolean)} 81583d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * and 81683d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * {@link android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean)} 81783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * to release the locks. 81883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 820bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 82183d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 82283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 832bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 833bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 834bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 835244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 836bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 83783d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * Canceling auto-focus will return the auto-exposure lock and auto-white 83883d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * balance lock to their state before {@link #autoFocus(AutoFocusCallback)} 83983d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * was called. 84083d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * 841bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 84283d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoExposureLock(boolean) 84383d3352cf7a67efd60732c0d40e5928f642f6808Eino-Ville Talvala * @see android.hardware.Camera.Parameters#setAutoWhiteBalanceLock(boolean) 844244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 845244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 846244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 847244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 848244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 849244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 850244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 851244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 852244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 853bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 854bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 855bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 860bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 861bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 862bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 863bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 864bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 870bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 871bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 872bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 876bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 877bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 878bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 8799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 887bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 8889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 889bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 893e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 894e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 895e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 896e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 897e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 8989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 8999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 9009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 9019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 9029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 903e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 904e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 9059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 9069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 9079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 9089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 9099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 910e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 911bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 912bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 913bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 91442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * re-start preview or take more pictures. This should not be called between 91542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#start()} and 91642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link android.media.MediaRecorder#stop()}. 91740057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 918bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 919bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 92040057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 921bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 922bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 923e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 924bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 925e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 926e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 927e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 930e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 932e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 933e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 934e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 935e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 936e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 937e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 938e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 939e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 940e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 941e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 942e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 943e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 944e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 945e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 946e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 947e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 948e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 951e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 952bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 9533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 9543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 955bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 956bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 957bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 958bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 959bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 960bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 961bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 962bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 963bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 96436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 96536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 96636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 9670ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 9680ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 969bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 97036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 97136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 97236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 97336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 974bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 9753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 9763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 9778cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 9780ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 9790ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 98036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 98136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 98236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 98336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 9842fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 9852fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 9862fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 987b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 988b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 989b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 990d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 99169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 9922fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 9932fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 994d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 99569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 99669ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 997b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 998724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 999724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 1000724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 1001724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 1002724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 1003724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 1004724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 1005724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 1006724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 1007724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 1008724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 1009724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 1010724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 1011724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1012b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 10132fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 10142fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 10152fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 10162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 10172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 10182fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 10192fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 1020724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 1021724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 1022b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 1023d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 1024e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 1025e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 10262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 1027d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 1028d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 1029d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 1030d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 1031bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 1032bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1033bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 1034bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 1035e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 1037e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 1038e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 1039bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 104036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 104136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 10423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 104336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 104436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 1045e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 1046e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 1048e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 1049e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 1050e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 10513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 105236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 10538cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 10543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 10558cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 1056e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 10573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 1058e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 10593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 1060e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 10619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 10634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Callback interface for face detected in the preview frame. 10644c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 10654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 10664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public interface FaceDetectionListener 10674c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 10684c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 10694c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Notify the listener of the detected faces in the preview frame. 10704c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1071f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * @param faces the detected faces. The list is sorted by the score. 1072f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The highest score is the first element. 10734c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param camera the Camera service object 10744c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1075f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li void onFaceDetection(Face[] faces, Camera camera); 10764c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 10774c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 10784c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1079c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Registers a listener to be notified about the faces detected in the 10804c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * preview frame. 10814c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 10824c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @param listener the listener to notify 1083c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see #startFaceDetection() 10844c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 10854c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void setFaceDetectionListener(FaceDetectionListener listener) 10864c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li { 10874c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceListener = listener; 10884c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 10894c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 10904c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1091c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Starts the face detection. This should be called after preview is started. 10924c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The camera will notify {@link FaceDetectionListener} of the detected 10934c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * faces in the preview frame. The detected faces may be the same as the 10944c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * previous ones. Applications should call {@link #stopFaceDetection} to 10954c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * stop the face detection. This method is supported if {@link 1096c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Parameters#getMaxNumDetectedFaces()} returns a number larger than 0. 10974c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the face detection has started, apps should not call this again. 10984c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1099c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * When the face detection is running, {@link Parameters#setWhiteBalance(String)}, 11004c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * {@link Parameters#setFocusAreas(List)}, and {@link Parameters#setMeteringAreas(List)} 11014c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * have no effect. 11024c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 1103c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @throws IllegalArgumentException if the face detection is unsupported. 11044c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @throws RuntimeException if the method fails or the face detection is 11054c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * already running. 11064c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see FaceDetectionListener 11074c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #stopFaceDetection() 1108c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * @see Parameters#getMaxNumDetectedFaces() 11094c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1110c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public final void startFaceDetection() { 11114c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li if (mFaceDetectionRunning) { 11124c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li throw new RuntimeException("Face detection is already running"); 11134c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 1114c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li _startFaceDetection(CAMERA_FACE_DETECTION_HW); 11154c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = true; 11164c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11174c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11184c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1119c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Stops the face detection. 11204c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11214c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11224c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 11234c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li public final void stopFaceDetection() { 11244c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li _stopFaceDetection(); 11254c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li mFaceDetectionRunning = false; 11264c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11274c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11284c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _startFaceDetection(int type); 11294c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private native final void _stopFaceDetection(); 11304c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 1132f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * The information of a face from camera face detection. 11334c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11344c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1135f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li public static class Face { 1136c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li /** 1137c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * Create an empty face. 1138c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li */ 1139bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Face() { 1140bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li } 1141bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li 11424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Bounds of the face. (-1000, -1000) represents the top-left of the 11444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * camera field of view, and (1000, 1000) represents the bottom-right of 1145c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * the field of view. For example, suppose the size of the viewfinder UI 1146c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * is 800x480. The rect passed from the driver is (-1000, -1000, 0, 0). 1147c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * The corresponding viewfinder rect should be (0, 0, 400, 240). The 1148c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * width and height of the rect will not be 0 or negative. 1149f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * 1150f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * <p>The direction is relative to the sensor orientation, that is, what 1151f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * the sensor sees. The direction is not affected by the rotation or 1152f0d6a48c6ad852b84687127f14b1ffde02416dc4Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}.</p> 11534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11554c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1156bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public Rect rect; 11574c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 11584c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 11594c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * The confidence level of the face. The range is 1 to 100. 100 is the 1160c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li * highest confidence. 11614c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 11624c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 11634c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 1164bb1e275c0e684dd213f124da77110cdd9d6f090cWu-cheng Li public int score; 11654c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 11664c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 1167bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 1168bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1169bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1170bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 1171bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1172bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 1174bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 1175bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 1176bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 1177bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 1178bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 1179bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 11809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 11819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1183bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 1184bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1185bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1203bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 12069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1214bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 12159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 121799a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1218bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1225bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1226bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1227bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1228bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1229bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1239bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 12449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12524c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 12534c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 12544c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 12554c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 12564c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 12574c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 12584c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 12594c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 12604c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 12614c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 12624c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 12634c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 12644c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 12654c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 12664c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 12674c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 12684c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 12694c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 12704c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 12739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 127832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The Area class is used for choosing specific metering and focus areas for 127932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the camera to use when calculating auto-exposure, auto-white balance, and 128032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * auto-focus.</p> 128132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 128232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>To find out how many simultaneous areas a given camera supports, use 128332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumMeteringAreas()} and 128432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link Parameters#getMaxNumFocusAreas()}. If metering or focusing area 128532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * selection is unsupported, these methods will return 0.</p> 128632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 128732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each Area consists of a rectangle specifying its bounds, and a weight 128832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * that determines its importance. The bounds are relative to the camera's 128932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * current field of view. The coordinates are mapped so that (-1000, -1000) 129032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is always the top-left corner of the current field of view, and (1000, 129132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 1000) is always the bottom-right corner of the current field of 129232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * view. Setting Areas with bounds outside that range is not allowed. Areas 129332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * with zero or negative width or height are not allowed.</p> 129432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * 129532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 129632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * every pixel in the area. This means that a large metering area with 129732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the same weight as a smaller area will have more effect in the 129832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering result. Metering areas can overlap and the driver 129932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 1300bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1301bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setFocusAreas(List) 1302bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1303bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumFocusAreas() 1304bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#setMeteringAreas(List) 1305bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1306bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMaxNumMeteringAreas() 130730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 130830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public static class Area { 130930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 131030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Create an area with specified rectangle and weight. 131130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 131232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param rect the bounds of the area. 131332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * @param weight the weight of the area. 131430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 131530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Area(Rect rect, int weight) { 131630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.rect = rect; 131730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li this.weight = weight; 131830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 131930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 132030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Compares {@code obj} to this area. 132130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 132230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @param obj the object to compare this area with. 132330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return {@code true} if the rectangle and weight of {@code obj} is 132430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * the same as those of this area. {@code false} otherwise. 132530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 132630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li @Override 132730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public boolean equals(Object obj) { 132830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!(obj instanceof Area)) { 132930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return false; 133030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 133130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Area a = (Area) obj; 133230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (rect == null) { 133330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (a.rect != null) return false; 133430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } else { 133530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (!rect.equals(a.rect)) return false; 133630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 133730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return weight == a.weight; 133830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 133930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1340bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 134132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Bounds of the area. (-1000, -1000) represents the top-left of the 134232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * camera field of view, and (1000, 1000) represents the bottom-right of 134332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the field of view. Setting bounds outside that range is not 134432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. Bounds with zero or negative width or height are not 134532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * allowed. 1346bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1347bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1348bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1349bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 135030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public Rect rect; 135130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 1352bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li /** 135332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * Weight of the area. The weight must range from 1 to 1000, and 135432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * represents a weight for every pixel in the area. This means that a 135532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * large metering area with the same weight as a smaller area will have 135632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * more effect in the metering result. Metering areas can overlap and 135732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * the driver will add the weights in the overlap region. 1358bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * 1359bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getFocusAreas() 1360bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * @see Parameters#getMeteringAreas() 1361bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li */ 136230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int weight; 1363bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li } 136430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 136530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 1366bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 13679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1369bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1370bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1371bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1372bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 13739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 13759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 13769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1377bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1378bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1379bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1380bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 13839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 13849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 13859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 13869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1387454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 13889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 13899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 13904c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 13919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 13929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 13939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 13949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 13959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 13969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 13979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 13989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 13999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1400055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 14019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 14029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 14039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 14049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 14059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 140636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 140730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_FOCUS_AREAS = "focus-areas"; 140830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private static final String KEY_MAX_NUM_FOCUS_AREAS = "max-num-focus-areas"; 14096c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 14106c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 14116c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1412ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 141324b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 141424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 141524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 14163773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK = "auto-exposure-lock"; 14173773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String KEY_AUTO_EXPOSURE_LOCK_SUPPORTED = "auto-exposure-lock-supported"; 1418d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK = "auto-whitebalance-lock"; 1419d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala private static final String KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED = "auto-whitebalance-lock-supported"; 1420e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_METERING_AREAS = "metering-areas"; 1421e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private static final String KEY_MAX_NUM_METERING_AREAS = "max-num-metering-areas"; 14228cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 14238cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 14248cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 14258cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 14268cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1427e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1428dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1429dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1430dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 14314c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_HW = "max-num-detected-faces-hw"; 14324c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li private static final String KEY_MAX_NUM_DETECTED_FACES_SW = "max-num-detected-faces-sw"; 143325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li private static final String KEY_RECORDING_HINT = "recording-hint"; 1434e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 14359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 14369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 14379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 14393773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala private static final String FALSE = "false"; 14408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 14419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 14429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 14439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 14449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 14459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 14469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 14479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 14489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 14499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 14509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 14529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 14539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 14549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 14559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 14569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 14579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 14589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 14599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 14609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 14619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 14639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 14649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 14659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 14669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 14679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 14699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 14709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 14719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 14729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 147336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 14749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1475068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1476068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 14779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 14789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 147936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 14809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1481068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1482068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 14839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 14849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 148536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 14869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 14879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 14889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 14899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 149036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 149136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1492068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1493068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 149436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1495068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 14969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 149700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 149800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 149900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 150100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 150200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 150300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 150400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 150500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 150700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 150800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 150900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 151000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 151200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 151300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 151400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 151500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 151700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 151800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 151900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 152000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 152200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 152300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 152400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 152500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 152700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 152800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 152900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 153000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 153200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 153300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 153400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 153500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 153700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 153800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 153900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 154000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 154200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 154300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 154400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 154500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 154700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 154800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 154900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 155000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 155200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 155300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 155400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 155500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 155700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 155800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 155900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 156000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 156100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 156300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 156400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 156500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 156600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 156800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 156900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 157000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 157100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 15729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 15739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1574c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1575c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1576c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1577c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1578c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1579c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 158036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1581f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1582f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 158336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 158436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 158536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 158636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 158736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 158836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 158936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 159036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1591f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1592f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1593f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1594f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1595f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1596f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 159736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 159836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 159936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 160036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 160136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 160236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 160336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 160436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 160536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 160636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1607c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1608c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1609c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1610c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1611c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1612c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1613c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1614699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1615d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1616b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. This is the best choice for video 1617b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * recording because the focus changes smoothly . Applications still can 1618b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * call {@link #takePicture(Camera.ShutterCallback, 1619b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)} in this mode but the 1620b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * subject may not be in focus. Auto focus starts when the parameter is 1621b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * set. Applications should not call {@link 1622b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. To stop continuous 1623b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * focus, applications should change the focus mode to other modes. 1624d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1625d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1626699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1627b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li /** 1628b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * Continuous auto focus mode intended for taking pictures. The camera 1629b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * continuously tries to focus. The speed of focus change is more 1630b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * aggressive than {@link #FOCUS_MODE_CONTINUOUS_VIDEO}. Auto focus 1631b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * starts when the parameter is set. If applications call {@link 1632b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode, the focus callback will 1633b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * immediately return with a boolean that indicates whether the focus is 1634b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * sharp or not. The apps can then decide if they want to take a picture 1635b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * immediately or to change the focus mode to auto, and run a full 1636b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * autofocus cycle. To stop continuous focus, applications should change 1637b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * the focus mode to other modes. 1638b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * 1639b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 1640b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li * @hide 1641b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li */ 1642b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_PICTURE = "continuous-picture"; 1643b9ac75d3dfc53ab4a0a104da147f1dfd7bc8c12fWu-cheng Li 1644e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1645e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1646e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1647e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1648e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1649e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1650e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1651e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1652e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1653e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1654e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1655e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1656e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1657e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1658e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1659e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1660e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1661e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1662e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1663ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1664454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1665454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1666454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1667454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1668454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1669454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1670454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1671454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1672454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1673454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1674454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1675454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1676454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 16779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 16789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 16799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1680eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 168110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 16829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 16839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 168470fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li private static final String PIXEL_FORMAT_BAYER_RGGB = "bayer-rggb"; 16859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 16949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 16959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 16969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 16999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 17009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 17019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 17079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 17089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 17109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 17119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 17139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 17189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 17199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 17219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 17299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 17349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 17359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 17399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 17409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 17469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 17509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 17519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 17559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 17749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 17769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 17779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 17809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1782e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li private void set(String key, List<Area> areas) { 1783f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (areas == null) { 1784f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, "(0,0,0,0,0)"); 1785f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } else { 1786f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li StringBuilder buffer = new StringBuilder(); 1787f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li for (int i = 0; i < areas.size(); i++) { 1788f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Area area = areas.get(i); 1789f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 1790f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append('('); 1791f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.left); 1792f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1793f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.top); 1794f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1795f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.right); 1796f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1797f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(rect.bottom); 1798f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(','); 1799f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(area.weight); 1800f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li buffer.append(')'); 1801f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (i != areas.size() - 1) buffer.append(','); 1802f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 1803f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li set(key, buffer.toString()); 1804e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1805e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 1806e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 18099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 18199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 18249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 182826274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * Sets the dimensions for preview pictures. If the preview has already 182926274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * started, applications should stop the preview first before changing 183026274fae33b7b056cf5fe9fd6e823cae9e4ddae2Wu-cheng Li * preview size. 18319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1832c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1833c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1834c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1835c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1836c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1837c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1838c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1839c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1840c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1841c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1842c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1845c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1846c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1847c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1848c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 18499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 18529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 18579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1858dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 18599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 18609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 18629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 18639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 18649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 18689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 18709c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 18719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 18739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 18749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 18759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 187832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the supported video frame sizes that can be used by 187932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * MediaRecorder.</p> 1880dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 188132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>If the returned list is not null, the returned list will contain at 1882dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1883dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1884dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1885dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 188632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * during video recording.</p> 1887dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1888dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1889dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1890dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1891dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1892dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1893dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1894dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1895dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1896dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1897dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1898dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1899dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1900dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1901dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1902dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1903dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1904dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1905dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1906dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1907dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1908dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1909dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1910dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1911dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1912dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1913dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1914dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1915dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1916dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1917dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 191832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for EXIF thumbnail in Jpeg picture. If 19194c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 192032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * thumbnail.</p> 19219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 192232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 192332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 1924c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 19259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 19269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1927c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 19289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 19309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 19319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 19329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 19369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 19389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 19399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 19419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 19429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 19439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19464c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 19474c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 19483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 19494c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 19504c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 19514c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 19524c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 19534c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 19544c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 19554c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 19564c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 19574c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 19589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 19599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 19619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 19629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 19649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 19659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 19739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 19789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 19799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 19809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 19819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 19839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 19849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 19889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 19909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 19929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 19939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1996a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 1997a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 20005f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 20019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20025f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 20059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2008a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 2009a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 2010a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 20119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 20135f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 20149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 20155f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 20179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 20189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 20229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 20243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 20255f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 20269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20275f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 20289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 20299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 20309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 20319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 20329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 20339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2034454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 20351620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 2036454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 2037454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 2038454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2039454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 2040454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 2041454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 2042454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 2043454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2044454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2045454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 2046454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 2047454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2048454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2049454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2050454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 2051454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 2052454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2053454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 2054454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2055454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2056454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 2057454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2058454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 2059454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 2060454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 20615f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 2062454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2063454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 2064454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2065454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2066454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 2067454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 2068454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 2069454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 2070454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 2071454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 2072454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 2073454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 2074454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 2075454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 2076454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 2077454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 2078454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 2079454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 2080454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 2081454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 2082454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 2083454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 2084454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 2085454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 2086454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2087454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2088454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 20897478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 2090da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 2091a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 2092df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 20937478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 2094df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 2095a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 2096a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 2097a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2098a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2099a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 21009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 21029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 21039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 21049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 21059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 21069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 21099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 21147478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 21153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 21163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 21179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2123f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 2124f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 2125f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 21269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 21283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 21293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 21329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 2133eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 2134eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 2135eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 2136a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 2137eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 2138eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 2139eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 21409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 214332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Sets the dimensions for pictures.</p> 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 214532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Applications need to consider the display orientation. See {@link 214632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * #setPreviewSize(int,int)} for reference.</p> 2147c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 2150c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 2151c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 21559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 21569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 21609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 21659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 21679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 21719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 21733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 21749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 21769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 21779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 21789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 21829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 2184a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 2185a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 2186a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 2187a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 21889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 21909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 21919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 21929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 21939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 21949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 21979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 22019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 22033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 22059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 22119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 22133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 22143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 22159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 22179c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 22189c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 22199c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 22209c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 2221a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 22229c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 22239c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 22249c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 22259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 2229a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 2230a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 2231a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 223210a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 2233a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 2234a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 223570fb9085044c5e6f52c33c970d238b764cf2373bWu-cheng Li case ImageFormat.BAYER_RGGB: return PIXEL_FORMAT_BAYER_RGGB; 2236a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 22379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 22419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 2242a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 22439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 2245a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 22469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 2248a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 22499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2250eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 2251a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 2252eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 225310a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 225410a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 225510a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 22569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 2257a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 22589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 2260a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 22619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2262a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 22639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22662fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 22672fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 22682fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 22692fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 22702fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 22712fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 22722fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 22739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 227469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 22752fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 22762fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 22772fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 22782fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 227969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 22802fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 22812fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 22822fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 22832fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 22849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 228569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 22862fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 22872fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 22882fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 22892fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 22902fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 22912fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 229269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 22932fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 229469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <pre> 22952fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * public void public void onOrientationChanged(int orientation) { 22962fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 22972fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 22982fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 22992fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 23002fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 23012fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 23022fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 23032fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 23042fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 23052fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 23062fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 23072fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 23082fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 230969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * </pre> 23102fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 23112fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 23122fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 23132fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 23149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 23159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 23162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 23179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 23199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 23209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 23219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 23229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 23239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 23249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 23259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 23309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 23319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 23339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 23359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 23369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 23409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 23419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 23439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 23459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 23469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 23509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 23529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 23549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 23559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 23599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 23619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 23629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 23649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 23659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2368e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2369055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2370055c986ab841f8f758398841730f1e90313b132aRay Chen * 2371055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2372055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2373055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2374055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2375055c986ab841f8f758398841730f1e90313b132aRay Chen } 2376055c986ab841f8f758398841730f1e90313b132aRay Chen 2377055c986ab841f8f758398841730f1e90313b132aRay Chen /** 23789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 23799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 23809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 23819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 23829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 23839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 23849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 23859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2386055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 23879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 23889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 23899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 23909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 23919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 23923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 23933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 23943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 23953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 23963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 23973f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 23983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 23993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 24003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 24013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 24023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 24039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 24059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 24069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 240916b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * Sets the white balance. Changing the setting will release the 241016b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * auto-white balance lock. 24119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 24133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 241416b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setAutoWhiteBalanceLock() 24159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 24179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 241816b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, FALSE); 24199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 24239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 24253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 24263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 24279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 24299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 24309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 24319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 24359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 24379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 24383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 24393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 24403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 24413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 24423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 24433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 24443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 24453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 24463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 24479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 24499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 24509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 24549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 24563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 24579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 24599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 24609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 24649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 24669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 24673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 24689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 24709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 24719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 24729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 24779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 24793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 24803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 24813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 24823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 24833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 24849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 24869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 24879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 24909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 24919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 24923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 24933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 24959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 25019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 25033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 25043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 25163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 25173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 25183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 25193f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 25203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 25213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 25223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 25233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 25243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 25253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 25263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 25273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 25283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 25293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 25303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 25319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 25339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 25349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2537c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2538c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2539c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2540c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2541c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 25422988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 25432988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 25449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 25463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 25479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 25499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 25509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 25549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 25563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 25573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 25589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 25609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 25619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 25683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 25693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 25703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 25713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 25723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 25733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 25749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 25769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 25779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 25819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 25833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 25919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 25923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 25933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 25943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 25959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 25969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 25979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 25989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 25999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 26009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 260136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 260236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 260336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2604699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2605699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2606699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2607699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 26083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 26093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 26103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 26113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2612f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2613d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 261436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 261536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 261636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 261736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 261836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 261936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 262036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 262136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 26223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 26233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 262436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 262536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 262636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 262736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 262836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 262936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 263036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 263136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 26323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 26333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 26343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 263536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 263636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 263736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 263836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 263936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 264036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 264136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 26426c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 26436c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26446c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 26456c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 26466c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26476c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 26486c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 26496c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26506c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26516c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 26526c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 26536c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26546c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 26556c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 26566c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26576c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 26586c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 26596c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26606c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26616c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 26626c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 26636c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 26646c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 26656c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 26666c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 26676c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 26686c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 26696c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 26706c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 26716c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 267224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2673ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 267424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 267524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 267624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 267724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2678ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2679ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 268024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2681ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2682ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2683ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 268424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2685ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 26860402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 26870402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 268824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 268924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 269024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 269124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2692ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2693ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2694ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2695ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2696ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2697ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 269824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2699ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 270024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 270124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 270224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 270324b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 270424b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 270524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 270624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 270724b326a8978bf78e3e560723dde221792784325bWu-cheng Li 270824b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 270924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 271024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 271124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 271224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 271324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2714ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 271524b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 271624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 271724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 271824b326a8978bf78e3e560723dde221792784325bWu-cheng Li 271924b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 272024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 272124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 272224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 272324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 272424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 272524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 272624b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 272724b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 272824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2729ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2730ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2731ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 2732d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-exposure lock state. Applications should check 2733d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method.</p> 27343773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2735d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-exposure routine will immediately 2736d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * pause until the lock is set to false. Exposure compensation settings 2737d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * changes will still take effect while auto-exposure is locked.</p> 2738d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2739d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-exposure is already locked, setting this to true again has 2740d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * no effect (the driver will not recalculate exposure values).</p> 2741d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2742d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2743d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2744d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2745d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2746d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same AE parameters.</p> 2747d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2748d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2749d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2750d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example.</p> 2751d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2752d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Auto-exposure state, including the lock state, will not be 27533773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * maintained after camera {@link #release()} is called. Locking 27543773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure after {@link #open()} but before the first call to 27553773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #startPreview()} will not allow the auto-exposure routine to 2756d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * run at all, and may result in severely over- or under-exposed 2757d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * images.</p> 27583773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2759d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-exposure after 2760d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2761d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-exposure lock to false after the 27623773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 27633773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * received. The {@link #getAutoExposureLock()} method can be used after 27643773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * the callback to determine if the camera has locked auto-exposure 2765d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * independently.</p> 27663773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 27673773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @param toggle new state of the auto-exposure lock. True means that 27683773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is locked, false means that the auto-exposure 27693773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * routine is free to run normally. 27703773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 2771d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoExposureLock() 27723773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 27733773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public void setAutoExposureLock(boolean toggle) { 27743773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala set(KEY_AUTO_EXPOSURE_LOCK, toggle ? TRUE : FALSE); 27753773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 27763773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 27773773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 27783773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Gets the state of the auto-exposure lock. Applications should check 27793773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #isAutoExposureLockSupported} before using this method. See 27803773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 27813773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 27823773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return State of the auto-exposure lock. Returns true if 27833773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure is currently locked, and false otherwise. The 27843773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * auto-exposure lock may be independently enabled by the camera 27853773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * subsystem when auto-focus has completed. This method can be 27863773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * used after the {@link AutoFocusCallback#onAutoFocus(boolean, 27873773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Camera)} callback to determine if the camera has locked AE. 27883773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 27893773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 27903773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 27913773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 27923773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean getAutoExposureLock() { 27933773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK); 27943773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 27953773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 27963773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 27973773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 27983773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * Returns true if auto-exposure locking is supported. Applications 27993773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * should call this before trying to lock auto-exposure. See 28003773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * {@link #setAutoExposureLock} for details about the lock. 28013773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28023773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @return true if auto-exposure lock is supported. 28033773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * @see #setAutoExposureLock(boolean) 28043773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala * 28053773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala */ 28063773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala public boolean isAutoExposureLockSupported() { 28073773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala String str = get(KEY_AUTO_EXPOSURE_LOCK_SUPPORTED); 28083773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala return TRUE.equals(str); 28093773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala } 28103773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala 28113773eef4e36fa4171a84b495dca849be112df0a8Eino-Ville Talvala /** 2812d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Sets the auto-white balance lock state. Applications should check 2813d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #isAutoWhiteBalanceLockSupported} before using this 2814d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method.</p> 2815d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2816d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If set to true, the camera auto-white balance routine will 2817d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * immediately pause until the lock is set to false.</p> 2818d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2819d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>If auto-white balance is already locked, setting this to true 2820d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * again has no effect (the driver will not recalculate white balance 2821d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * values).</p> 2822d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2823d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Stopping preview with {@link #stopPreview()}, or triggering still 2824d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * image capture with {@link #takePicture(Camera.ShutterCallback, 2825d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Camera.PictureCallback, Camera.PictureCallback)}, will automatically 2826d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * set the lock to false. However, the lock can be re-enabled before 2827d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * preview is re-started to keep the same white balance parameters.</p> 2828d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 282916b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * <p> Changing the white balance mode with {@link #setWhiteBalance} 283016b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * will release the auto-white balance lock if it is set.</p> 283116b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * 2832d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>Exposure compensation, in conjunction with re-enabling the AE and 2833d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * AWB locks after each still capture, can be used to capture an 2834d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * exposure-bracketed burst of images, for example. Auto-white balance 2835d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * state, including the lock state, will not be maintained after camera 2836d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #release()} is called. Locking auto-white balance after 2837d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #open()} but before the first call to {@link #startPreview()} 2838d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * will not allow the auto-white balance routine to run at all, and may 2839d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * result in severely incorrect color in captured images.</p> 2840d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2841d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * <p>The driver may also independently lock auto-white balance after 2842d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-focus completes. If this is undesirable, be sure to always set 2843d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * the auto-white balance lock to false after the 2844d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} callback is 2845d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * received. The {@link #getAutoWhiteBalanceLock()} method can be used 2846d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * after the callback to determine if the camera has locked auto-white 2847d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * balance independently.</p> 2848d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2849d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @param toggle new state of the auto-white balance lock. True means 2850d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * that auto-white balance is locked, false means that the 2851d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance routine is free to run normally. 2852d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2853d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #getAutoWhiteBalanceLock() 285416b67137b893f32491a38ab81d49368322e1ae92Eino-Ville Talvala * @see #setWhiteBalance(String) 2855d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2856d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public void setAutoWhiteBalanceLock(boolean toggle) { 2857d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala set(KEY_AUTO_WHITEBALANCE_LOCK, toggle ? TRUE : FALSE); 2858d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2859d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2860d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2861d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Gets the state of the auto-white balance lock. Applications should 2862d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * check {@link #isAutoWhiteBalanceLockSupported} before using this 2863d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * method. See {@link #setAutoWhiteBalanceLock} for details about the 2864d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * lock. 2865d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2866d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return State of the auto-white balance lock. Returns true if 2867d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * auto-white balance is currently locked, and false 2868d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * otherwise. The auto-white balance lock may be independently 2869d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * enabled by the camera subsystem when auto-focus has 2870d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * completed. This method can be used after the 2871d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 2872d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * callback to determine if the camera has locked AWB. 2873d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2874d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2875d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2876d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2877d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean getAutoWhiteBalanceLock() { 2878d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK); 2879d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2880d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2881d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2882d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 2883d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * Returns true if auto-white balance locking is supported. Applications 2884d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * should call this before trying to lock auto-white balance. See 2885d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * {@link #setAutoWhiteBalanceLock} for details about the lock. 2886d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2887d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @return true if auto-white balance lock is supported. 2888d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * @see #setAutoWhiteBalanceLock(boolean) 2889d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala * 2890d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala */ 2891d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala public boolean isAutoWhiteBalanceLockSupported() { 2892d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala String str = get(KEY_AUTO_WHITEBALANCE_LOCK_SUPPORTED); 2893d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala return TRUE.equals(str); 2894d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala } 2895d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala 2896d9c2601afa46811bcb1345963d38010690981a01Eino-Ville Talvala /** 289736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 28988cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 28998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 290036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 290136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 29028cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 290336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 290436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 29058cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 290636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 290736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 290836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 29098cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 29108cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 29118cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 29128cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 29138cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 29148cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 291536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 291636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 291736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 291836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 29198cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 292036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 292136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 292236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 292336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 292436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 292536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 292636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 292736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 292836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 29298cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 29308cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 293136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 293236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 293336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 293436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 293536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 29368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 29378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 29388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 293936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 294036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 294136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 294236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 29438cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 294436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 294536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 294636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 29478cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 29488cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 294936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 29508cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 29518cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 29528cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 29538cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 29548cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 295536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 29568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 29578cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 295836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 295936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 296036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 296136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 296236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 296336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 296436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 296536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 296636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 29678cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 29688cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 296936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 297036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 2971e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 297232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the distances from the camera to where an object appears to be 2973e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 297432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * depth of field is the far focus distance minus near focus distance.</p> 2975e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 297632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus distances may change after calling {@link 2977e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 2978e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 2979e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 2980d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 298132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * from time to time.</p> 2982699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 298332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>This method is intended to estimate the distance between the camera 2984699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 2985699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 2986699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 298732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * The error can be large and it should be only used as a reference.</p> 2988e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 298932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Far focus distance >= optimal focus distance >= near focus distance. 2990185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 299132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@code Float.POSITIVE_INFINITY}.</p> 2992e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2993e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 2994e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 2995e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 2996185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 2997185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 2998185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 2999e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 3000e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 3001e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 3002e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 3003e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 3004e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3005454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 3006e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3007e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 300830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 300930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Gets the maximum number of focus areas supported. This is the maximum 30107b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * length of the list in {@link #setFocusAreas(List)} and 30117b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getFocusAreas()}. 301230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 301330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return the maximum number of focus areas supported by the camera. 301430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 301530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 301630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public int getMaxNumFocusAreas() { 301730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return getInt(KEY_MAX_NUM_FOCUS_AREAS, 0); 301830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 301930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 302030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 302132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current focus areas. Camera driver uses the areas to decide 302232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus.</p> 302330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 302432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setFocusAreas(List)}, apps should 30257b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumFocusAreas()} to know the maximum number of 302632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * focus areas first. If the value is 0, focus area is not supported.</p> 302730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 302832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each focus area is a rectangle with specified weight. The direction 302930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * is relative to the sensor orientation, that is, what the sensor sees. 303030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * The direction is not affected by the rotation or mirroring of 303130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #setDisplayOrientation(int)}. Coordinates of the rectangle 303230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * range from -1000 to 1000. (-1000, -1000) is the upper left point. 3033bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * (1000, 1000) is the lower right point. The width and height of focus 303432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * areas cannot be 0 or negative.</p> 303530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 303632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000. The weight should be 30374e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * interpreted as a per-pixel weight - all pixels in the area have the 30384e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * specified weight. This means a small area with the same weight as a 30394e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * larger area will have less influence on the focusing than the larger 30404e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * area. Focus areas can partially overlap and the driver will add the 304132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * weights in the overlap region.</p> 304230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 304332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} focus area list means the driver is 304432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * free to select focus targets as it wants. For example, the driver may 304532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * use more signals to select focus areas and change them 304632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * dynamically. Apps can set the focus area list to {@code null} if they 304732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * want the driver to completely control focusing.</p> 304830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 304932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus areas are relative to the current field of view 305030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 305130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * represents the top of the currently visible camera frame. The focus 305230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * area cannot be set to be outside the current field of view, even 305332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * when using zoom.</p> 305430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 305532a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Focus area only has effect if the current focus mode is 305630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * {@link #FOCUS_MODE_AUTO}, {@link #FOCUS_MODE_MACRO}, or 305732a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * {@link #FOCUS_MODE_CONTINUOUS_VIDEO}.</p> 305830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 305930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @return a list of current focus areas 306030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 306130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li public List<Area> getFocusAreas() { 3062f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return splitArea(get(KEY_FOCUS_AREAS)); 306330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 306430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 306530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li /** 306630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * Sets focus areas. See {@link #getFocusAreas()} for documentation. 306730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * 30687b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param focusAreas the focus areas 306930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li * @see #getFocusAreas() 307030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li */ 3071e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setFocusAreas(List<Area> focusAreas) { 3072e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_FOCUS_AREAS, focusAreas); 3073e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3074e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3075e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3076e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Gets the maximum number of metering areas supported. This is the 30777b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * maximum length of the list in {@link #setMeteringAreas(List)} and 30787b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * {@link #getMeteringAreas()}. 3079e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3080e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return the maximum number of metering areas supported by the camera. 3081e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3082e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3083e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public int getMaxNumMeteringAreas() { 3084e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li return getInt(KEY_MAX_NUM_METERING_AREAS, 0); 3085e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3086e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3087e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 308832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Gets the current metering areas. Camera driver uses these areas to 308932a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * decide exposure.</p> 3090e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 309132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Before using this API or {@link #setMeteringAreas(List)}, apps should 30927b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * call {@link #getMaxNumMeteringAreas()} to know the maximum number of 30937b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * metering areas first. If the value is 0, metering area is not 309432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * supported.</p> 3095e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 309632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Each metering area is a rectangle with specified weight. The 3097e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * direction is relative to the sensor orientation, that is, what the 3098e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * sensor sees. The direction is not affected by the rotation or 3099e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * mirroring of {@link #setDisplayOrientation(int)}. Coordinates of the 3100e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * rectangle range from -1000 to 1000. (-1000, -1000) is the upper left 3101bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li * point. (1000, 1000) is the lower right point. The width and height of 310232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * metering areas cannot be 0 or negative.</p> 3103e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 310432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>The weight must range from 1 to 1000, and represents a weight for 31054e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * every pixel in the area. This means that a large metering area with 31064e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * the same weight as a smaller area will have more effect in the 31074e396e063c8b0fa6201b47166f547a98abfd6038Eino-Ville Talvala * metering result. Metering areas can partially overlap and the driver 310832a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * will add the weights in the overlap region.</p> 3109e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 311032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>A special case of a {@code null} metering area list means the driver 311132a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * is free to meter as it chooses. For example, the driver may use more 311232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * signals to select metering areas and change them dynamically. Apps 311332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * can set the metering area list to {@code null} if they want the 311432a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * driver to completely control metering.</p> 3115e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 311632a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>Metering areas are relative to the current field of view 3117e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * ({@link #getZoom()}). No matter what the zoom level is, (-1000,-1000) 3118e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * represents the top of the currently visible camera frame. The 3119e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * metering area cannot be set to be outside the current field of view, 312032a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * even when using zoom.</p> 3121e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 312232a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * <p>No matter what metering areas are, the final exposure are compensated 312332a972c693400db50717435139fa292a63bc937aEino-Ville Talvala * by {@link #setExposureCompensation(int)}.</p> 3124e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 3125e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @return a list of current metering areas 3126e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3127e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public List<Area> getMeteringAreas() { 3128d8aab93f96a6357dedc791ccdea92412fb423d15Wu-cheng Li return splitArea(get(KEY_METERING_AREAS)); 3129e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li } 3130e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li 3131e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li /** 3132e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * Sets metering areas. See {@link #getMeteringAreas()} for 3133e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * documentation. 3134e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * 31357b1c5c891a09e0e2a2de101fbf951cdc89e03957Wu-cheng Li * @param meteringAreas the metering areas 3136e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li * @see #getMeteringAreas() 3137e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li */ 3138e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li public void setMeteringAreas(List<Area> meteringAreas) { 3139e98e4c806320ccb3078805ac019cca3ed9796123Wu-cheng Li set(KEY_METERING_AREAS, meteringAreas); 314030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 314130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 31424c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li /** 31434c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * Gets the maximum number of detected faces supported. This is the 31444c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * maximum length of the list returned from {@link FaceDetectionListener}. 31454c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * If the return value is 0, face detection of the specified type is not 31464c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * supported. 31474c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * 31484c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @return the maximum number of detected face supported by the camera. 31494c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li * @see #startFaceDetection(int) 31504c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li */ 3151c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li public int getMaxNumDetectedFaces() { 3152c0c683b3344c67700882f8059e7d18266366daa9Wu-cheng Li return getInt(KEY_MAX_NUM_DETECTED_FACES_HW, 0); 31534c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li } 31544c2292efbbfe7338138a9a0e8eefeaabdef1a0b4Wu-cheng Li 315525d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li /** 31569c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Sets recording mode hint. This tells the camera that the intent of 31579c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * the application is to record videos {@link 31589c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * android.media.MediaRecorder#start()}, not to take still pictures 31599c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * {@link #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 31609c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * Camera.PictureCallback, Camera.PictureCallback)}. Using this hint can 31619c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * allow MediaRecorder.start() to start faster or with fewer glitches on 31629c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * output. This should be called before starting preview for the best 31639c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * result, but can be changed while the preview is active. The default 31649c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * value is false. 31659c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 31669c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * The app can still call takePicture() when the hint is true or call 31679c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * MediaRecorder.start() when the hint is false. But the performance may 31689c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * be worse. 31699c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * 31709c53f1c33a433c1e9bd84a26d57e0e99f616fa24Wu-cheng Li * @param hint true if the apps intend to record videos using 317125d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li * {@link android.media.MediaRecorder}. 317225d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li */ 317325d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li public void setRecordingHint(boolean hint) { 317425d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li set(KEY_RECORDING_HINT, hint ? TRUE : FALSE); 317525d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li } 317625d8fb51dae37f1becf4fb3d32e8600c418eb6e8Wu-cheng Li 31779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 31789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 31799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 31809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 31819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 31829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 31839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 31849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 31859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 31869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 31879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 31889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 31899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 31909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 31919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 31929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 31939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 31949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 31959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 31969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 31979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 31989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 31999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 32009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 32019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 32039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 32049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3206454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 3207454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3208454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3209454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3210454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3211454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 3212454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 3213454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 3214454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3215454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3216454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3217e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 3218454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 3219454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 3220e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 3221e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 3222454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 3223e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 3224e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 3225454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 3226e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3227e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 3228e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 322924b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 323024b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 323124b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 323224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 323324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 323424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 323524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 323624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 323724b326a8978bf78e3e560723dde221792784325bWu-cheng Li 323824b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 323924b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 324024b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 324124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 324224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 324324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 324424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 324524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 324624b326a8978bf78e3e560723dde221792784325bWu-cheng Li 32479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 32489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 32499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 32509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 32519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 32539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 32549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 32559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 32569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 32579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 32599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 32609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 32639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 32649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 32659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 32669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 32679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 32689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 32699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 32709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 32719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 32729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 32739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 32749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 32759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 32769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 3277454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3278454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 3279454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 3280454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 3281454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 3282454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 3283454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 3284454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 3285454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 3286454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 3287454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3288454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 3289454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 3290454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 3291454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 3292454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 3293454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 3294454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 3295454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 3296454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 3297454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 3298454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 3299454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 3300454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 3301454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 330230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 330330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Splits a comma delimited string to an ArrayList of Area objects. 330430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li // Example string: "(-10,-10,0,0,300),(0,0,10,10,700)". Return null if 3305f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li // the passing string is null or the size is 0 or (0,0,0,0,0). 330630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li private ArrayList<Area> splitArea(String str) { 330730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (str == null || str.charAt(0) != '(' 330830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li || str.charAt(str.length() - 1) != ')') { 330930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Log.e(TAG, "Invalid area string=" + str); 331030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return null; 331130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 331230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 331330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li ArrayList<Area> result = new ArrayList<Area>(); 331430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int endIndex, fromIndex = 1; 331530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li int[] array = new int[5]; 331630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li do { 331730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li endIndex = str.indexOf("),(", fromIndex); 331830771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 331930771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li splitInt(str.substring(fromIndex, endIndex), array); 332030771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li Rect rect = new Rect(array[0], array[1], array[2], array[3]); 332130771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li result.add(new Area(rect, array[4])); 332230771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li fromIndex = endIndex + 3; 332330771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } while (endIndex != str.length() - 1); 332430771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li 332530771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li if (result.size() == 0) return null; 3326f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 3327f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (result.size() == 1) { 3328bde61a5731cdfef76a0691f8bd53b880606f5f6eWu-cheng Li Area area = result.get(0); 3329f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li Rect rect = area.rect; 3330f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li if (rect.left == 0 && rect.top == 0 && rect.right == 0 3331f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li && rect.bottom == 0 && area.weight == 0) { 3332f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li return null; 3333f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3334f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li } 3335f715bf95ded30821e81ba93bb48c08725e1c34aaWu-cheng Li 333630771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li return result; 333730771b773393596812b6cfd2a4ddf490c43437aaWu-cheng Li } 33389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 33399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 3340