Camera.java revision e00cab707dcaf6f05adb5ccb9c80fdf25c483427
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 511e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 512e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 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 518e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 519bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 521e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 522e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 523e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 52494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 525bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 526bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5275b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 52894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 529e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 530e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 531e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 532e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 533e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 534e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 535e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 536e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 537e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 538e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 539e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 540e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 541e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 542e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 543e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 544e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 545e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 546e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 547e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 548e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 549e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 550e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 551e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 552e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 553e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 554e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 555e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 556e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Please note that by calling this method, the mode for application-managed 557e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * callback buffers is triggered. If this method has never been called, 558e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null will be returned by the raw image callback since there is 559e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * no image callback buffer available. Furthermore, When a supplied buffer 560e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is too small to hold the raw image data, raw image callback will return 561e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null and the buffer will be removed from the buffer queue. 562e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 563e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 564e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 565e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 566e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 567e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 568e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 569e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 570e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 571e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 572e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 573e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 574e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 575e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 576e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 577e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 578e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 579e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 580e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 581e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 582e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 583e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 584e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 585e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 586e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 590e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 604c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 609c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 610c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 611e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 613e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 616c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 617e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 619e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 622c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 624a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 626a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 627a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 628a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 63094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 631a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 632a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 633a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 63494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 636a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 640e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 641e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 642e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 643e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 644e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 645e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 646c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 647e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 649e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 650e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 651e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 652e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 6533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 6543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 655e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 658c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 660e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 662e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 686bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 687bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 6887478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 6897478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 690df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 691df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 6927478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 693df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 694df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 695bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 696bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 70169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 70269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 70369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 70469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 713bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 714bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 715bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 716bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 717bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 718bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 719bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 720bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 72136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 722bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 723da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 7247478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 7257478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 726df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 727df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 728bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 729068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 730068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 731bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 7327478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 734bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 744bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 745bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 746bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 747244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 748bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 749bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 750244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 751244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 752244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 753244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 754244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 755244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 756244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 757244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 758244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 759bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 760bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 761bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 766bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 767bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 768bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 769bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 770bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 776bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 777bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 778bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 782bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 783bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 784bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 7859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 793bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 7949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 795bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 799e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 800e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 801e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 802e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 803e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 8049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 8059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 8069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 8079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 8089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 809e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 810e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 8119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 8129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 8139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 8149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 8159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 816e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 817bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 818bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 819bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 820bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * re-start preview or take more pictures. 82140057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 822bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 823bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 82440057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 825bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 826bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 827e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 828bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 829e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 830e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #addRawImageCallbackBuffer(byte[]) 831e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 832e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 833e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 836e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 838e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 839e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 840e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 841e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 842e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 843e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 844e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 845e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 846e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 847e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 848e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 849e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 850e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 851e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 852e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 853e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 854e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 857e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 858bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 8593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 8603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 861bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 862bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 863bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 864bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 865bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 866bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 867bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 868bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 869bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 87036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 87136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 87236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 8730ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 8740ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 875bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 87636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 87736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 87836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 87936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 880bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 8813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 8823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 8838cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 8840ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 8850ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 88636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 88736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 88836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 88936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 8902fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 8912fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 8922fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 893b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 894b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 895b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 896d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 89769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 8982fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 8992fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 900d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 90169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 90269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 903b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 904724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 905724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 906724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 907724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 908724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 909724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 910724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 911724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 912724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 913724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 914724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 915724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 916724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 917724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 918b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 9192fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 9202fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 9212fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 9222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 9232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 9242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 9252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 926724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 927724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 928b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 929d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 930e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 931e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 9322fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 933d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 934d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 935d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 936d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 937bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 938bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 939bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 940bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 941e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 943e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 944e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 945bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 94636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 94736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 9483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 94936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 95036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 951e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 952e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 954e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 955e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 956e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 95836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 9598cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 9603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 9618cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 962e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 964e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 9653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 966e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 9679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 968bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 969bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 970bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 971bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 972bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 973bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 975bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 976bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 977bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 978bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 979bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 980bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 9829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 984bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 985bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 986bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1004bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1015bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 10169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 101899a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1019bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1026bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1027bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1028bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1029bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1030bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1040bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 10459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10534c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 10544c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 10554c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 10564c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 10574c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 10584c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 10594c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 10604c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 10614c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 10624c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 10634c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 10644c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10654c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 10664c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 10674c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10684c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 10694c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 10704c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 10714c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1079bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 10809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1082bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1083bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1084bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1085bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 10869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 10889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 10899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1090bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1091bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1092bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1093bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 10969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 10979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 10989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 10999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1100454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 11019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 11029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 11034c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 11049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 11059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 11069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 11079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 11089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 11099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 11109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 11119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 11129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1113055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 11149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 11159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 11169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 11179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 11189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 111936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 11206c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 11216c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 11226c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1123ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 112424b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 112524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 112624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 11278cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 11288cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 11298cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 11308cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 11318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1132e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1133dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1134dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1135dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 1136e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 11379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 11389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 11399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 11418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 11429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 11439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 11449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 11459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 11469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 11479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 11489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 11499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 11509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 11519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 11539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 11549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 11559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 11569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 11579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 11589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 11599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 11609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 11619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 11629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 11649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 11659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 11669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 11679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 11689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 11709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 11719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 11729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 117436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 11759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1176068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1177068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 11789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 118036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 11819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1182068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1183068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 11849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 118636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 11879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 11889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 11899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 119136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 119236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1193068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1194068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 119536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1196068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 11979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 119800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 119900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 120000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 120200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 120300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 120400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 120500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 120600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 120800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 120900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 121000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 121100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 121300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 121400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 121500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 121600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 121800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 121900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 122000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 122100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 122300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 122400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 122500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 122600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 122800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 122900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 123000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 123100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 123300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 123400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 123500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 123600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 123800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 123900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 124000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 124100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 124300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 124400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 124500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 124600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 124800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 124900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 125000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 125100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 125300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 125400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 125500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 125600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 125800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 125900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 126000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 126100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 126200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 126400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 126500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 126600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 126700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 126900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 127000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 127100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 127200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 12749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1275c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1276c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1277c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1278c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1279c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1280c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 128136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1282f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1283f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 128436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 128536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 128636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 128736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 128836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 128936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 129036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 129136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1292f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1293f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1294f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1295f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1296f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1297f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 129836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 129936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 130036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 130136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 130236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 130336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 130436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 130536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 130636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 130736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1308c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1309c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1310c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1311c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1312c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1313c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1314c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1315699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1316d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1317d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * continuously tries to focus. This is ideal for shooting video. 1318d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Applications still can call {@link 1319d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 1320d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Camera.PictureCallback)} in this mode but the subject may not be in 1321d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus. Auto focus starts when the parameter is set. Applications 1322d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * should not call {@link #autoFocus(AutoFocusCallback)} in this mode. 1323d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * To stop continuous focus, applications should change the focus mode 1324d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * to other modes. 1325d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1326d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1327699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1328e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1329e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1330e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1331e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1332e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1333e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1334e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1335e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1336e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1337e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1338e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1339e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1340e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1341e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1342e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1343e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1344e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1345e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1346e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1347ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1348454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1349454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1350454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1351454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1352454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1353454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1354454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1355454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1356454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1357454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1358454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1359454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1360454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 13619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 13629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 13639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1364eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 13659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 13669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 13679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 13699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 13909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 14109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 14119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 14179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 14379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 14569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 14669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 14769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for preview pictures. 14869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1487c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1488c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1489c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1490c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1491c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1492c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1493c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1494c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1495c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1496c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1497c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 14989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 14999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1500c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1501c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1502c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1503c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 15079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 15129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1513dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 15179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 15189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 15199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 15239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 15259c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 15269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 15289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 15299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1533dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Gets the supported video frame sizes that can be used by 1534dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * MediaRecorder. 1535dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1536dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * If the returned list is not null, the returned list will contain at 1537dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1538dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1539dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1540dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 1541dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * during video recording. 1542dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1543dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1544dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1545dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1546dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1547dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1548dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1549dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1550dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1551dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1552dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1553dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1554dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1555dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1556dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1557dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1558dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1559dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1560dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1561dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1562dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1563dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1564dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1565dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1566dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1567dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1568dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1569dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1570dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1571dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1572dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 15734c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Sets the dimensions for EXIF thumbnail in Jpeg picture. If 15744c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 15754c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * thumbnail. 15769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1577c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1578c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1579c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1582c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 15839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 15859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 15869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 15879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 15919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 15939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 15969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 15979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16014c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 16024c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 16033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 16044c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 16054c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 16064c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 16074c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 16084c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 16094c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 16104c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 16114c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 16124c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 16139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 16169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 16179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 16199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 16289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 16359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 16369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 16389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 16399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 16409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 16439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 16479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1651a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 1652a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 16539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 16555f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16575f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 16599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1663a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 1664a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 1665a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 16669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 16685f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16705f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 16729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 16739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 16749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 16779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 16793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 16805f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 16819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16825f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 16839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 16849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 16859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1689454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 16901620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 1691454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 1692454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 1693454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1694454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 1695454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 1696454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 1697454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 1698454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1699454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1700454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 1701454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 1702454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1703454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1704454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1705454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 1706454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 1707454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1708454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 1709454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1710454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1711454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1712454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1713454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 1714454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 1715454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 17165f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 1717454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1718454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 1719454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1720454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1721454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1722454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 1723454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 1724454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 1725454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 1726454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 1727454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 1728454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 1729454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1730454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 1731454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 1732454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 1733454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 1734454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 1735454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1736454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1737454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1738454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 1739454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 1740454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 1741454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1742454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1743454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 17447478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 1745da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 1746a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 1747df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 17487478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 1749df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 1750a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 1751a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 1752a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1753a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1754a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 17599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 17609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 17619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 17689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 17697478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 17703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 17713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 17749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 17759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 17789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview formats. 17799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 17813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 17823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 17859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 1786eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 1787eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 1788eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 1789a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 1790eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 1791eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 1792eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 17939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 17979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1798c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1799c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1800c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 18019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 18029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 1803c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 1804c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 18079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 18089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 18139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 18189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 18199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 18209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 18249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 18263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 18279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 18299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 18309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 18319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 18359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 1837a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 1838a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1839a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1840a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 18419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 18459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 18469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 18509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 18549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 18563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 18599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 18609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 18649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 18663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 18673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 18689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 18709c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 18719c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 18729c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 18739c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 1874a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 18759c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 18769c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 18779c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 18789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 18819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 1882a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 1883a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 1884a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 1885a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 1886a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 1887a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 18889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 18929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 1893a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 1896a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 1899a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 19009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1901eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 1902a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 1903eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 19049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 1905a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 19069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 1908a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 19099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1910a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 19119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19142fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 19152fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 19162fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 19172fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 19182fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 19192fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 19202fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 19219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 192269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 19232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 19242fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 19252fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 19262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 192769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 19282fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 19292fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 19302fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 19312fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 19329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 193369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 19342fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 19352fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 19362fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 19372fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 19382fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 19392fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 194069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 19412fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 194269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <pre> 19432fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * public void public void onOrientationChanged(int orientation) { 19442fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 19452fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 19462fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 19472fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 19482fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 19492fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 19502fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 19512fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 19522fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 19532fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 19542fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 19552fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 19562fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 195769ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * </pre> 19582fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 19592fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 19602fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 19612fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 19629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 19639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 19642fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 19659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 19679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 19689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 19699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 19709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 19719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 19729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 19739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 19789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 19799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 19819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 19839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 19849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 19889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 19899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 19919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 19939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 19949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 20009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 20029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 20039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 20099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 20109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 20129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 20139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2016e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2017055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2018055c986ab841f8f758398841730f1e90313b132aRay Chen * 2019055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2020055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2021055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2022055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2023055c986ab841f8f758398841730f1e90313b132aRay Chen } 2024055c986ab841f8f758398841730f1e90313b132aRay Chen 2025055c986ab841f8f758398841730f1e90313b132aRay Chen /** 20269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 20279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 20289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 20309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 20319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 20329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 20339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2034055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 20359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 20399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20403f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 20413f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 20423f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 20433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 20443f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 20453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 20463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 20473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 20483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 20493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 20503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 20519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 20539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 20549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the white balance. 20589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 20603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 20619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 20639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 20649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 20689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 20703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 20713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 20729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 20749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 20759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 20809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 20829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 20833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 20843f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 20853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 20863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 20873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 20883f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 20893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 20903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 20913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 20929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 20949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 20959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 20999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 21013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 21029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 21049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 21059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 21099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 21119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 21123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 21159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 21169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 21179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 21243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 21253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 21263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 21273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 21283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 21319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 21329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 21369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 21383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 21399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 21419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 21469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 21483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 21493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 21529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 21539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 21549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 21589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 21609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 21613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 21623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 21633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 21643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 21653f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 21663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 21673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 21683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 21693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 21703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 21713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 21723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 21733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 21743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 21753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 21769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 21789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 21799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2182c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2183c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2184c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2185c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2186c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 21872988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 21882988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 21899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21903f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 21913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 21929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 21949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 21959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 21999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22003f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 22013f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 22023f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 22039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 22059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 22119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22123f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 22133f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 22143f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 22153f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 22163f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 22173f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 22183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 22199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 22219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 22229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 22269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22273f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 22283f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 22299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 22319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 22329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 22369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22373f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 22383f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 22393f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 22409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 22429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 22439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 22449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 224636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 224736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 224836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2249699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2250699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2251699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2252699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 22533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 22543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 22553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 22563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2257f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2258d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 225936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 226036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 226136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 226236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 226336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 226436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 226536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 226636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 22673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 22683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 226936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 227036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 227136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 227236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 227336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 227436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 227536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 227636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 22773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 22783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 22793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 228036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 228136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 228236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 228336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 228436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 228536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 228636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 22876c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 22886c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 22896c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 22906c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 22916c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 22926c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 22936c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 22946c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 22956c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 22966c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 22976c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 22986c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 22996c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 23006c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 23016c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 23026c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 23036c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 23046c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 23056c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 23066c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 23076c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 23086c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 23096c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 23106c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 23116c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 23126c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 23136c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 23146c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 23156c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 23166c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 231724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2318ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 231924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 232024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 232124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 232224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2323ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2324ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 232524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2326ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2327ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2328ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 232924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2330ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 23310402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 23320402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 233324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 233424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 233524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 233624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2337ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2338ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2339ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2340ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2341ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2342ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 234324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2344ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 234524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 234624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 234724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 234824b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 234924b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 235024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 235124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 235224b326a8978bf78e3e560723dde221792784325bWu-cheng Li 235324b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 235424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 235524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 235624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 235724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 235824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2359ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 236024b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 236124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 236224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 236324b326a8978bf78e3e560723dde221792784325bWu-cheng Li 236424b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 236524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 236624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 236724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 236824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 236924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 237024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 237124b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 237224b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 237324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2374ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2375ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2376ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 237736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 23788cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 23798cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 238036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 238136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 23828cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 238336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 238436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 23858cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 238636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 238736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 238836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 23898cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 23908cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 23918cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 23928cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 23938cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 23948cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 239536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 239636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 239736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 239836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 23998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 240036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 240136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 240236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 240336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 240436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 240536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 240636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 240736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 240836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 24098cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 24108cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 241136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 241236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 241336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 241436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 241536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 24168cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 24178cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 24188cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 241936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 242036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 242136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 242236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 24238cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 242436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 242536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 242636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 24278cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 24288cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 242936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 24308cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 24318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 24328cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 24338cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 24348cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 243536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 24368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 24378cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 243836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 243936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 244036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 244136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 244236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 244336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 244436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 244536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 244636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 24478cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 24488cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 244936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 245036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 2451e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 2452e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Gets the distances from the camera to where an object appears to be 2453e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 2454e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * depth of field is the far focus distance minus near focus distance. 2455e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2456e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Focus distances may change after calling {@link 2457e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 2458e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 2459e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 2460d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 2461d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * from time to time. 2462699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 2463699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * This method is intended to estimate the distance between the camera 2464699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 2465699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 2466699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 2467699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * The error can be large and it should be only used as a reference. 2468e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2469185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * Far focus distance >= optimal focus distance >= near focus distance. 2470185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 2471e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Float.POSITIVE_INFINITY. 2472e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2473e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 2474e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 2475e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 2476185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 2477185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 2478185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 2479e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 2480e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 2481e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 2482e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 2483e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 2484e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2485454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 2486e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2487e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 24889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 24899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 24909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 24919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 24929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 24939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 24949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 24959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 25039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 25049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 25109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2517454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 2518454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2519454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2520454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2521454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2522454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 2523454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 2524454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 2525454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2526454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2527454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2528e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 2529454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 2530454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2531e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 2532e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2533454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2534e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 2535e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 2536454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 2537e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2538e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2539e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 254024b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 254124b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 254224b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 254324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 254424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 254524b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 254624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 254724b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 254824b326a8978bf78e3e560723dde221792784325bWu-cheng Li 254924b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 255024b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 255124b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 255224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 255324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 255424b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 255524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 255624b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 255724b326a8978bf78e3e560723dde221792784325bWu-cheng Li 25589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 25599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 25609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 25619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 25649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 25659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 25749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 25759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 25769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 25799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 25809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 25819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 25829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 25839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 2588454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2589454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 2590454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 2591454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 2592454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 2593454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 2594454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 2595454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 2596454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 2597454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2598454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2599454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 2600454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 2601454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 2602454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 2603454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 2604454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 2605454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 2606454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 2607454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 2608454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 2609454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2610454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 2611454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 2612454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 26139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 26149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2615