Camera.java revision f9293e7d5057f54ec90423f55b78138d5729e30f
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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Liimport java.util.ArrayList; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.HashMap; 229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Liimport java.util.List; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.StringTokenizer; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Surface; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.SurfaceHolder; 29a696f5d667227365da732481770767dcb330dd23Mathias Agopianimport android.graphics.ImageFormat; 30fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennisimport android.graphics.SurfaceTexture; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 36bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The Camera class is used to set image capture settings, start/stop preview, 37bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * snap pictures, and retrieve frames for encoding for video. This class is a 38bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * client for the Camera service, which manages the actual camera hardware. 39df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 40bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To access the device camera, you must declare the 417478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@link android.Manifest.permission#CAMERA} permission in your Android 42df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * Manifest. Also be sure to include the 43df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 44bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * manifest element to declare camera features used by your application. 457478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * For example, if you use the camera and auto-focus feature, your Manifest 46df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should include the following:</p> 47df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <pre> <uses-permission android:name="android.permission.CAMERA" /> 48df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera" /> 49df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <uses-feature android:name="android.hardware.camera.autofocus" /></pre> 50df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * 51bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To take pictures with this class, use the following steps:</p> 52bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 53bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 54341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <li>Obtain an instance of Camera from {@link #open(int)}. 55bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 56bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Get existing (default) settings with {@link #getParameters()}. 57bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 58bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If necessary, modify the returned {@link Camera.Parameters} object and call 59bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setParameters(Camera.Parameters)}. 60bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 61bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, call {@link #setDisplayOrientation(int)}. 62bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 63bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Pass a fully initialized {@link SurfaceHolder} to 64bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. Without a surface, the camera 65bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be unable to start the preview. 66bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 67bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important</b>: Call {@link #startPreview()} to start updating the 68bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * preview surface. Preview must be started before you can take a picture. 69bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 70bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When you want, call {@link #takePicture(Camera.ShutterCallback, 71bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)} to 72bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * capture a photo. Wait for the callbacks to provide the actual image data. 73bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 74bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>After taking a picture, preview display will have stopped. To take more 75bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * photos, call {@link #startPreview()} again first. 76bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 77bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} to stop updating the preview surface. 78bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 79bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li><b>Important:</b> Call {@link #release()} to release the camera for 80bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * use by other applications. Applications should release the camera 81bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * immediately in {@link android.app.Activity#onPause()} (and re-{@link #open()} 82bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it in {@link android.app.Activity#onResume()}). 83bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 84bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 85bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>To quickly switch to video recording mode, use these steps:</p> 86bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 87bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <ol> 88bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Obtain and initialize a Camera and start preview as described above. 89bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 90bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #unlock()} to allow the media process to access the camera. 91bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 92bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Pass the camera to {@link android.media.MediaRecorder#setCamera(Camera)}. 93bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * See {@link android.media.MediaRecorder} information about video recording. 94bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 95bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>When finished recording, call {@link #reconnect()} to re-acquire 96bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and re-lock the camera. 97bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 98bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>If desired, restart preview and take more photos or videos. 99bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 100bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <li>Call {@link #stopPreview()} and {@link #release()} as described above. 101bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * </ol> 102bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 103bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This class is not thread-safe, and is meant for use from one event thread. 104bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Most long-running operations (preview, focus, photo capture, etc) happen 105bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * asynchronously and invoke callbacks as necessary. Callbacks will be invoked 106341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. This class's methods 107bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * must never be called from multiple threads at once.</p> 108bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 109df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <p class="caution"><strong>Caution:</strong> Different Android-powered devices 110df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * may have different hardware specifications, such as megapixel ratings and 111df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * auto-focus capabilities. In order for your application to be compatible with 1127478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * more devices, you should not make assumptions about the device camera 113df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * specifications.</p> 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Camera { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final String TAG = "Camera"; 1179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 118d2c2929c94bec68741b85f4174e11307fb65157fWu-cheng Li // These match the enums in frameworks/base/include/camera/Camera.h 119da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ERROR = 0x001; 120da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_SHUTTER = 0x002; 121da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_FOCUS = 0x004; 122da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ZOOM = 0x008; 123da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_PREVIEW_FRAME = 0x010; 124da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_VIDEO_FRAME = 0x020; 125da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_POSTVIEW_FRAME = 0x040; 126da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_RAW_IMAGE = 0x080; 127da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_COMPRESSED_IMAGE = 0x100; 128da83f4674a564007baac03db062a289c8158d940Benny Wong private static final int CAMERA_MSG_ALL_MSGS = 0x1FF; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; // accessed by native methods 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ShutterCallback mShutterCallback; 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mRawImageCallback; 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PictureCallback mJpegCallback; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private PreviewCallback mPreviewCallback; 136e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private PictureCallback mPostviewCallback; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AutoFocusCallback mAutoFocusCallback; 1383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li private OnZoomChangeListener mZoomListener; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private ErrorCallback mErrorCallback; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private boolean mOneShot; 14194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private boolean mWithBuffer; 1429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 144341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the number of physical cameras available on this device. 145e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 146e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public native static int getNumberOfCameras(); 147e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 148e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 149341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Returns the information about a particular camera. 150b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * If {@link #getNumberOfCameras()} returns N, the valid id is 0 to N-1. 151b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 152b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public native static void getCameraInfo(int cameraId, CameraInfo cameraInfo); 153b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 154b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 155b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * Information about a camera 156b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 157b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static class CameraInfo { 1587836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1597836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is opposite to that of the screen. 1607836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 161b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_BACK = 0; 1627836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li 1637836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li /** 1647836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * The facing of the camera is the same as that of the screen. 1657836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li */ 166b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang public static final int CAMERA_FACING_FRONT = 1; 167b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 168b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 169b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The direction that the camera faces to. It should be 170b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * CAMERA_FACING_BACK or CAMERA_FACING_FRONT. 171b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 1727836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int facing; 173b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 174b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 175b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * The orientation of the camera image. The value is the angle that the 176b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * camera image needs to be rotated clockwise so it shows correctly on 177b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * the display in its natural orientation. It should be 0, 90, 180, or 270. 178b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 1792fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * For example, suppose a device has a naturally tall screen. The 1802fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * back-facing camera sensor is mounted in landscape. You are looking at 1812fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the screen. If the top side of the camera sensor is aligned with the 1822fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the screen in natural orientation, the value should be 1832fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * 90. If the top side of a front-facing camera sensor is aligned with 1842fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the right of the screen, the value should be 270. 185b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 186b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * @see #setDisplayOrientation(int) 18769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setRotation(int) 18869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPreviewSize(int, int) 18969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setPictureSize(int, int) 19069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * @see Parameters#setJpegThumbnailSize(int, int) 191b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang */ 1927836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li public int orientation; 193b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang }; 194b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang 195b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang /** 196341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * Creates a new Camera object to access a particular hardware camera. 197bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 198bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call {@link #release()} when you are done using the camera, 199bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * otherwise it will remain locked and be unavailable to other applications. 200bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 201341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * <p>Your application should only have one Camera object active at a time 202341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * for a particular hardware camera. 203bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 204bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callbacks from other methods are delivered to the event loop of the 205bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * thread which called open(). If this thread has no event loop, then 206bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callbacks are delivered to the main application event loop. If there 207bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is no main application event loop, callbacks are not delivered. 208bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 209bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p class="caution"><b>Caution:</b> On some devices, this method may 210bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * take a long time to complete. It is best to call this method from a 211bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * worker thread (possibly using {@link android.os.AsyncTask}) to avoid 212bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * blocking the main application UI thread. 213bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 214341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * @param cameraId the hardware camera to access, between 0 and 215a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * {@link #getNumberOfCameras()}-1. 216bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @return a new Camera object, connected, locked and ready for use. 217bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if connection to the camera service fails (for 218bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is in use by another process). 219e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang */ 220e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang public static Camera open(int cameraId) { 221e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang return new Camera(cameraId); 222e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang } 223e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang 224e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang /** 225a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * Creates a new Camera object to access the first back-facing camera on the 226a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * device. If the device does not have a back-facing camera, this returns 227a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li * null. 2287836660f5eb45b7b7e1f5119face65c80e2ade17Wu-cheng Li * @see #open(int) 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static Camera open() { 231a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li int numberOfCameras = getNumberOfCameras(); 232a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li CameraInfo cameraInfo = new CameraInfo(); 233a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li for (int i = 0; i < numberOfCameras; i++) { 234a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li getCameraInfo(i, cameraInfo); 235a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li if (cameraInfo.facing == CameraInfo.CAMERA_FACING_BACK) { 236a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return new Camera(i); 237a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 238a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li } 239a48b70fa8ff6363d1e5282be70f6be12bc0688dcWu-cheng Li return null; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 242e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang Camera(int cameraId) { 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = null; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = null; 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = null; 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 247e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = null; 2483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = null; 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 259e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang native_setup(new WeakReference<Camera>(this), cameraId); 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li protected void finalize() { 2639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li native_release(); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 266e25cc656392d8866e163f78b60c7791455d0fb44Chih-Chung Chang private native final void native_setup(Object camera_this, int cameraId); 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 2689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Disconnects and releases the Camera object resources. 272bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 273bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>You must call this as soon as you're done with the Camera object.</p> 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public final void release() { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 280bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unlocks the camera to allow another process to access it. 281bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Normally, the camera is locked to the process with an active Camera 282bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * object until {@link #release()} is called. To allow rapid handoff 283bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * between processes, you can call this method to release the camera 284bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * temporarily for another process to use; once the other process is done 285bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you can call {@link #reconnect()} to reclaim the camera. 286bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 287bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done before calling 288bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.media.MediaRecorder#setCamera(Camera)}. 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 290bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 292bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be unlocked. 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 294bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void unlock(); 2959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 297bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Re-locks the camera to prevent other processes from accessing it. 298bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera objects are locked by default unless {@link #unlock()} is 299bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called. Normally {@link #reconnect()} is used instead. 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 301bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 302bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 303bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws RuntimeException if the camera cannot be re-locked (for 304bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 306ffe1cf251a4f8469695b8acfa37270684dc1b70cWu-cheng Li public native final void lock(); 3079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 309bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Reconnects to the camera service after another process used it. 310bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * After {@link #unlock()} is called, another process may use the 311bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera; when the process is done, you must reconnect to the camera, 312bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * which will re-acquire the lock and allow you to continue using the 313bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera. 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 315bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This must be done after {@link android.media.MediaRecorder} is 316bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * done recording if {@link android.media.MediaRecorder#setCamera(Camera)} 317bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * was used. 318bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 319bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If you are not recording video, you probably do not need this method. 320bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 321bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if a connection cannot be re-established (for 322bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * example, if the camera is still in use by another process). 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 324bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor public native final void reconnect() throws IOException; 3259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 327bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Sets the {@link Surface} to be used for live preview. 328fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 329fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface can be re-set 330fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * without harm. Setting a preview surface will un-set any preview surface 331fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture that was set via {@link #setPreviewTexture}. 3329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 333bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The {@link SurfaceHolder} must already contain a surface when this 334bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method is called. If you are using {@link android.view.SurfaceView}, 335bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * you will need to register a {@link SurfaceHolder.Callback} with 336bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder#addCallback(SurfaceHolder.Callback)} and wait for 337bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link SurfaceHolder.Callback#surfaceCreated(SurfaceHolder)} before 338bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling setPreviewDisplay() or starting preview. 339bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 340bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method must be called before {@link #startPreview()}. The 341bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * one exception is that if the preview surface is not set (or set to null) 342bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * before startPreview() is called, then this method may be called once 343bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * with a non-null parameter to set the preview surface. (This allows 344bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera setup and surface creation to happen in parallel, saving time.) 345bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The preview surface may not otherwise change while preview is running. 3469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 347bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param holder containing the Surface on which to place the preview, 348bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to remove the preview surface 349bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @throws IOException if the method fails (for example, if the surface 350bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is unavailable or unsuitable). 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewDisplay(SurfaceHolder holder) throws IOException { 353b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li if (holder != null) { 354b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay(holder.getSurface()); 355b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } else { 356b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li setPreviewDisplay((Surface)null); 357b8a10fe45657f2dcc50cae8a06805f8438a6937eWu-cheng Li } 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 360dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten private native final void setPreviewDisplay(Surface surface) throws IOException; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 363fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Sets the {@link SurfaceTexture} to be used for live preview. 364fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * Either a surface or surface texture is necessary for preview, and 365fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview is necessary to take pictures. The same surface texture can be 366fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * re-set without harm. Setting a preview surface texture will un-set any 367fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * preview surface that was set via {@link #setPreviewDisplay}. 368fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 369fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * <p>This method must be called before {@link #startPreview()}. The 370fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * one exception is that if the preview surface texture is not set (or set 371fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * to null) before startPreview() is called, then this method may be called 372fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * once with a non-null parameter to set the preview surface. (This allows 373fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * camera setup and surface creation to happen in parallel, saving time.) 374fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * The preview surface texture may not otherwise change while preview is 375fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * running. 376fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * 377fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @param surfaceTexture the {@link SurfaceTexture} to which the preview 378fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * images are to be sent or null to remove the current preview surface 379fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture 380fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * @throws IOException if the method fails (for example, if the surface 381fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis * texture is unavailable or unsuitable). 382fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis */ 383dbc289d6c27968bd05cc547ca73579347c3adc99Glenn Kasten public native final void setPreviewTexture(SurfaceTexture surfaceTexture) throws IOException; 384fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis 385fd6f39e147dc077139a41b9c2a4039fbaa20224eJamie Gennis /** 386bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to deliver copies of preview frames as 387bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * they are displayed. 388bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 389bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallback(Camera.PreviewCallback) 390bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setOneShotPreviewCallback(Camera.PreviewCallback) 391bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 392bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startPreview() 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PreviewCallback 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 397bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as preview frames are displayed. This callback is invoked 398341ff13689dfe822b598e626272ac2e80041b482Dan Egnor * on the event thread {@link #open(int)} was called from. 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 400bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param data the contents of the preview frame in the format defined 401a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by {@link android.graphics.ImageFormat}, which can be queried 402df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * with {@link android.hardware.Camera.Parameters#getPreviewFormat()}. 403da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * If {@link android.hardware.Camera.Parameters#setPreviewFormat(int)} 4049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * is never called, the default will be the YCbCr_420_SP 4059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * (NV21) format. 406bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param camera the Camera service object. 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPreviewFrame(byte[] data, Camera camera); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 4109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 412bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts capturing and drawing preview frames to the screen. 413bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Preview will not actually start until a surface is supplied with 414bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewDisplay(SurfaceHolder)}. 415bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 416bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 417bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 418bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 419bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 420bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 425bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 426bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void stopPreview(); 4299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 4379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 439bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 440bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 441bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 442bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 444bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 445bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 45094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 451a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 452a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 45394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 457bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 458bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 459bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 462bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 46694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 46794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 46894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 46994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 47094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 47194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 47294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 47394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 47494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 475bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 476bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 479bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 48094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 481bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 482bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 483bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 484bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 48594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 486bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 487bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 488bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 48994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 490bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 491bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 492bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 49394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 49494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 49594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 49694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 49794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 49894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 504bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 505bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 506bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 507bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 508bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 509c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 510bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 511bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * image width, height, and bytes per pixel. The width and height can be 512bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 513bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 514bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 51694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 517bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 518bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 519bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 521bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * are automatically allocated. 52294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 523bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 524bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5255b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 52694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 52794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public native final void addCallbackBuffer(byte[] callbackBuffer); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 541c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 546c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 547c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 548e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 550e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 553c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 554e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 556e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 559c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 561a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 563a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 564a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 565a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 56794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 568a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 569a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 570a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 57194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 573a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 577e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 578e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 579e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 580e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 581e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 582e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 583c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 584e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 586e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 587e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 588e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 589e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 5903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 5913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 592e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 595c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 597e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 599e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 623bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 624bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 6257478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 6267478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 627df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 628df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 6297478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 630df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 631df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 632bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 633bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 63869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 63969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 64069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 64169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 6429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 650bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 651bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 652bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 653bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 654bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 655bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 656bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 657bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 65836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 659bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 660da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 6617478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 6627478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 663df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 664df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 665bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 666068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 667068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 668bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 6697478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 671bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 681bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 682bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 683bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 684244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 685bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 686bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 687244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 688244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 689244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 690244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 691244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 692244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 693244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 694244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 695244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 696bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 697bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 698bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 703bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 704bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 705bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 706bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 707bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 713bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 714bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 715bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 719bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 720bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 721bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 7229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 730bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 7319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 732bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 736e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 737e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 738e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks private native final void native_takePicture(); 739e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 740e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 7419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 7429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 7439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 7449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 7459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 7469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * may be null if the hardware does not have enough memory to make a copy). 7479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 7489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 7499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 7509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 7519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 752e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 753bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 754bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 755bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 756bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * re-start preview or take more pictures. 75740057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 758bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 759bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 76040057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 761bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 762bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 763e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 764bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 765e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 766e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 767e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 770e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_takePicture(); 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 775e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 776bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 7773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 7783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 779bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 780bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 781bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 782bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 783bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 784bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 785bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 786bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 787bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 78836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 78936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 79036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 7910ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 7920ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 793bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 79436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 79536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 79636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 79736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 798bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 7993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 8003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 8018cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 8020ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 8030ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 80436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 80536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 80636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 80736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 8082fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 8092fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 8102fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 811b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 812b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 813b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 814d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 81569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 8162fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 8172fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 818d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 81969ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 82069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 821b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 822724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 823724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 824724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 825724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 826724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 827724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 828724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 829724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 830724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 831724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 832724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 833724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 834724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 835724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 836b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 8372fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 8382fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 8392fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 8402fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 8412fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 8422fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 8432fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 844724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 845724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 846b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 847d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 848e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 849e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 8502fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 851d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 852d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 853d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 854d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 855bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 856bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 857bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 858bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 859e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 8603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 861e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 862e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 863bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 86436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 86536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 8663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 86736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 86836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 869e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 870e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 8713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 872e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 873e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 874e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 8753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 87636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 8778cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 8783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 8798cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 880e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 8813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 882e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 8833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 884e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 8859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 886bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 887bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 888bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 889bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 890bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 891bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 893bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 894bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 895bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 896bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 897bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 898bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 9009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 902bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 903bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 904bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 922bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 933bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 9349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 93699a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 937bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 944bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 945bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 946bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 947bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 948bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 958bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 9639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9714c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 9724c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 9734c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 9744c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 9754c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 9764c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 9774c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 9784c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 9794c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 9804c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 9814c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 9824c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 9834c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 9844c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 9854c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 9864c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 9874c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 9884c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 9894c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 997bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 9989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 9999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1000bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1001bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1002bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1003bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 10049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 10069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 10079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1008bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1009bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1010bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1011bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 10149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 10159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 10169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 10179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1018454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 10199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 10209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 10214c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 10229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 10239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 10249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 10259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 10269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 10279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 10289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 10299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 10309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1031055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 10329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 10339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 10349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 10359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 10369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 103736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 10386c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 10396c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 10406c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1041ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 104224b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 104324b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 104424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 10458cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 10468cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 10478cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 10488cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 10498cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1050e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1051dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1052dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1053dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 1054e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 10559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 10569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 10579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10588cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 10598cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 10609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 10619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 10629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 10639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 10649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 10659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 10669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 10679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 10689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 10699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 10719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 10729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 10739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 10749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 10759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 10769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 10779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 10789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 10799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 10809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 10829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 10839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 10849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 10859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 10869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 10889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 10899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 10909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 10919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 109236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 10939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1094068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1095068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 10969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 10979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 109836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 10999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1100068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1101068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 11029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 110436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 11059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 11069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 11079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 110936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 111036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1111068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1112068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 111336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1114068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 11159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 111600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 111700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 111800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 112000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 112100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 112200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 112300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 112400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 112600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 112700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 112800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 112900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 113100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 113200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 113300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 113400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 113600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 113700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 113800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 113900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 114100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 114200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 114300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 114400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 114600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 114700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 114800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 114900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 115100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 115200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 115300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 115400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 115600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 115700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 115800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 115900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 116100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 116200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 116300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 116400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 116600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 116700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 116800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 116900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 117100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 117200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 117300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 117400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 117600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 117700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 117800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 117900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 118000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 118200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 118300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 118400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 118500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 118700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 118800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 118900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 119000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 11919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 11929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1193c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1194c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1195c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1196c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1197c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1198c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 119936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1200f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1201f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 120236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 120336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 120436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 120536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 120636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 120736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 120836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 120936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1210f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1211f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1212f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1213f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1214f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1215f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 121636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 121736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 121836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 121936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 122036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 122136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 122236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 122336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 122436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 122536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1226c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1227c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1228c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1229c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1230c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1231c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1232c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1233699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1234d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1235d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * continuously tries to focus. This is ideal for shooting video. 1236d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Applications still can call {@link 1237d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 1238d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Camera.PictureCallback)} in this mode but the subject may not be in 1239d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus. Auto focus starts when the parameter is set. Applications 1240d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * should not call {@link #autoFocus(AutoFocusCallback)} in this mode. 1241d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * To stop continuous focus, applications should change the focus mode 1242d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * to other modes. 1243d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1244d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1245699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1246e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1247e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1248e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1249e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1250e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1251e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1252e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1253e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1254e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1255e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1256e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1257e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1258e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1259e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1260e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1261e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1262e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1263e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1264e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1265ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1266454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1267454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1268454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1269454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1270454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1271454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1272454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1273454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1274454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1275454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1276454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1277454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1278454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 12799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 12809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 12819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1282eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 128310a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 12849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 12859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 12869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 12909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 12959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 12969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 12979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 13099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 13179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 13189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 13209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 13309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 13369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 13399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 13409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 13569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 13599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 13679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 13759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 13859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 13959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for preview pictures. 14059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1406c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1407c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1408c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1409c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1410c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1411c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1412c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1413c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1414c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1415c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1416c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1419c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1420c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1421c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1422c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 14269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 14319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1432dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 14369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 14379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 14389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 14419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 14429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 14449c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 14459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 14469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 14479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 14489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1452dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Gets the supported video frame sizes that can be used by 1453dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * MediaRecorder. 1454dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1455dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * If the returned list is not null, the returned list will contain at 1456dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1457dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1458dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1459dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 1460dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * during video recording. 1461dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1462dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1463dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1464dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1465dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1466dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1467dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1468dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1469dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1470dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1471dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1472dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1473dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1474dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1475dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1476dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1477dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1478dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1479dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1480dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1481dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1482dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1483dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1484dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1485dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1486dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1487dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1488dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1489dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1490dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1491dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 14924c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Sets the dimensions for EXIF thumbnail in Jpeg picture. If 14934c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 14944c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * thumbnail. 14959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1496c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1497c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1498c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1501c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 15029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 15049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 15059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 15069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 15129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 15159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 15169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15204c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 15214c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 15223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 15234c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 15244c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 15254c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 15264c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 15274c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 15284c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 15294c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 15304c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 15314c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 15329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 15359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 15389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 15479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 15549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 15559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 15579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 15589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 15629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 15669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1570a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 1571a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 15729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 15745f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15765f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 15779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 15789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1582a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 1583a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 1584a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 15859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 15875f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15895f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 15909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 15919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 15929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 15969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15973f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 15983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 15995f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 16009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16015f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 16029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 16039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 16049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1608454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 16091620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 1610454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 1611454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 1612454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1613454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 1614454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 1615454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 1616454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 1617454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1618454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1619454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 1620454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 1621454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1622454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1623454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1624454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 1625454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 1626454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1627454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 1628454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1629454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1630454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1631454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1632454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 1633454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 1634454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 16355f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 1636454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1637454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 1638454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1639454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1640454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1641454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 1642454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 1643454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 1644454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 1645454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 1646454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 1647454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 1648454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1649454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 1650454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 1651454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 1652454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 1653454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 1654454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1655454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1656454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1657454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 1658454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 1659454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 1660454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1661454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1662454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 16637478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 1664da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 1665a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 1666df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 16677478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 1668df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 1669a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 1670a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 1671a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1672a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1673a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 16749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 16769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 16779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 16789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 16799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 16809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 16879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 16887478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 16893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 16903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 16919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 16939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 16949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 16959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1697f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 1698f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 1699f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 17009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 17023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 17033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 17069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 1707eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 1708eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 1709eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 1710a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 1711eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 1712eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 1713eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 17189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1719c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1720c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1721c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 17229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 17239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 1724c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 1725c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 17269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 17289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 17299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 17349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 17369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 17379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 17399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 17409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 17419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 17459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 17473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 17489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 17509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 17519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 17529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 17569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 1758a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 1759a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1760a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1761a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 17669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 17679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 17719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 17759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 17773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 17809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 17819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 17859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 17873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 17883f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 17919c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 17929c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 17939c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 17949c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 1795a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 17969c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 17979c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 17989c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 1803a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 1804a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 1805a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 180610a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 1807a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 1808a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 1809a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 1815a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 1818a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 1821a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 18229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1823eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 1824a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 1825eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 182610a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 182710a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 182810a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 18299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 1830a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 1833a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1835a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18392fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 18402fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 18412fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 18422fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 18432fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 18442fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 18452fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 18469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 184769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 18482fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 18492fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 18502fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 18512fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 185269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 18532fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 18542fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 18552fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 18562fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 18579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 185869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 18592fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 18602fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 18612fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 18622fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 18632fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 18642fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 186569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 18662fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 186769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <pre> 18682fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * public void public void onOrientationChanged(int orientation) { 18692fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 18702fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 18712fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 18722fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 18732fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 18742fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 18752fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 18762fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 18772fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 18782fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 18792fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 18802fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 18812fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 188269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * </pre> 18832fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 18842fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 18852fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 18862fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 18879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 18889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 18892fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 18909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 18929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 18939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 18949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 18959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 18969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 18979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 18989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 19039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 19049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 19069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 19089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 19099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 19139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 19149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 19169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 19189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 19199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 19239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 19259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 19279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 19289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 19329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 19349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 19359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 19379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 19389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1941e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 1942055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 1943055c986ab841f8f758398841730f1e90313b132aRay Chen * 1944055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 1945055c986ab841f8f758398841730f1e90313b132aRay Chen */ 1946055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 1947055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 1948055c986ab841f8f758398841730f1e90313b132aRay Chen } 1949055c986ab841f8f758398841730f1e90313b132aRay Chen 1950055c986ab841f8f758398841730f1e90313b132aRay Chen /** 19519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 19529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 19539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 19559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 19569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 19579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 19589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 1959055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 19609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 19649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 19663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 19673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 19683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 19693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 19703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 19713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 19723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 19733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 19743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 19753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 19769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 19789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 19799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the white balance. 19839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19843f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 19853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 19869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 19889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 19899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 19939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 19953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 19963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 19979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 19999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 20009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 20059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20063f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 20083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 20093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 20103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 20113f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 20123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 20133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 20143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 20153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 20163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 20179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 20199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 20249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 20263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 20279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 20299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 20309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 20349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 20369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 20373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 20389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 20409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 20419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 20479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 20493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 20503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 20513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 20523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 20533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 20549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 20569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 20579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 20619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 20633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 20649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 20669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 20679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 20719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 20733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 20743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 20759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 20779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 20789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 20839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 20859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 20863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 20873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 20883f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 20893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 20903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 20913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 20923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 20933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 20943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 20953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 20963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 20973f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 20983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 20993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 21003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 21019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 21039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 21049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2107c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2108c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2109c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2110c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2111c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 21122988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 21132988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 21163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 21179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 21249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 21263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 21273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 21289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 21329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 21369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 21383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 21393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 21403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 21413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 21423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 21433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 21469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 21479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 21519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 21533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 21549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 21569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 21579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 21619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 21633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 21643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 21659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 21679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 21699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 217136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 217236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 217336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2174699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2175699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2176699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2177699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 21783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 21793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 21803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 21813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2182f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2183d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 218436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 218536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 218636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 218736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 218836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 218936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 219036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 219136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 21923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 21933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 219436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 219536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 219636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 219736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 219836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 219936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 220036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 220136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 22023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 22033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 22043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 220536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 220636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 220736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 220836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 220936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 221036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 221136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 22126c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 22136c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 22146c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 22156c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 22166c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 22176c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 22186c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 22196c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 22206c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 22216c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 22226c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 22236c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 22246c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 22256c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 22266c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 22276c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 22286c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 22296c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 22306c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 22316c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 22326c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 22336c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 22346c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 22356c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 22366c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 22376c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 22386c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 22396c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 22406c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 22416c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 224224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2243ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 224424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 224524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 224624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 224724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2248ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2249ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 225024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2251ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2252ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2253ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 225424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2255ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 22560402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 22570402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 225824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 225924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 226024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 226124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2262ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2263ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2264ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2265ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2266ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2267ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 226824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2269ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 227024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 227124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 227224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 227324b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 227424b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 227524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 227624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 227724b326a8978bf78e3e560723dde221792784325bWu-cheng Li 227824b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 227924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 228024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 228124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 228224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 228324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2284ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 228524b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 228624b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 228724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 228824b326a8978bf78e3e560723dde221792784325bWu-cheng Li 228924b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 229024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 229124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 229224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 229324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 229424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 229524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 229624b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 229724b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 229824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2299ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2300ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2301ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 230236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 23038cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 23048cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 230536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 230636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 23078cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 230836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 230936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 23108cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 231136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 231236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 231336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 23148cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 23158cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 23168cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 23178cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 23188cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 23198cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 232036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 232136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 232236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 232336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 23248cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 232536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 232636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 232736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 232836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 232936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 233036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 233136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 233236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 233336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 23348cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 23358cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 233636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 233736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 233836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 233936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 234036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 23418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 23428cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 23438cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 234436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 234536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 234636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 234736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 23488cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 234936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 235036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 235136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 23528cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 23538cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 235436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 23558cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 23568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 23578cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 23588cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 23598cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 236036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 23618cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 23628cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 236336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 236436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 236536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 236636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 236736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 236836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 236936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 237036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 237136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 23728cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 23738cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 237436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 237536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 2376e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 2377e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Gets the distances from the camera to where an object appears to be 2378e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 2379e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * depth of field is the far focus distance minus near focus distance. 2380e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2381e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Focus distances may change after calling {@link 2382e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 2383e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 2384e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 2385d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 2386d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * from time to time. 2387699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 2388699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * This method is intended to estimate the distance between the camera 2389699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 2390699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 2391699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 2392699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * The error can be large and it should be only used as a reference. 2393e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2394185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * Far focus distance >= optimal focus distance >= near focus distance. 2395185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 2396e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Float.POSITIVE_INFINITY. 2397e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2398e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 2399e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 2400e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 2401185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 2402185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 2403185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 2404e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 2405e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 2406e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 2407e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 2408e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 2409e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2410454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 2411e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2412e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 24139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 24149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 24159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 24169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 24179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 24199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 24209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 24219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 24229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 24239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 24259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 24289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 24299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 24309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 24319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 24339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 24349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 24359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 24369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 24379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 24399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 24409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2442454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 2443454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2444454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2445454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2446454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2447454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 2448454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 2449454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 2450454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2451454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2452454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2453e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 2454454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 2455454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2456e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 2457e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2458454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2459e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 2460e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 2461454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 2462e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2463e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2464e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 246524b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 246624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 246724b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 246824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 246924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 247024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 247124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 247224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 247324b326a8978bf78e3e560723dde221792784325bWu-cheng Li 247424b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 247524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 247624b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 247724b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 247824b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 247924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 248024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 248124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 248224b326a8978bf78e3e560723dde221792784325bWu-cheng Li 24839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 24849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 24859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 24869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 24879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 24909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 24919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 24929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 24939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 24959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 25019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 25049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 2513454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2514454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 2515454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 2516454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 2517454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 2518454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 2519454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 2520454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 2521454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 2522454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2523454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2524454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 2525454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 2526454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 2527454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 2528454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 2529454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 2530454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 2531454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 2532454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 2533454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 2534454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2535454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 2536454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 2537454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 25389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 25399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2540