Camera.java revision c5f94d8a4779050125145396ca83fbc862c7ed6b
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. 413c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * Preview will not actually start until a surface is supplied 414c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * with {@link #setPreviewDisplay(SurfaceHolder)} or 415c5f94d8a4779050125145396ca83fbc862c7ed6bEino-Ville Talvala * {@link #setPreviewTexture(SurfaceTexture)}. 416bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 417bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>If {@link #setPreviewCallback(Camera.PreviewCallback)}, 418bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(Camera.PreviewCallback)}, or 419bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallbackWithBuffer(Camera.PreviewCallback)} were 420bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * called, {@link Camera.PreviewCallback#onPreviewFrame(byte[], Camera)} 421bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * will be called when preview data becomes available. 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void startPreview(); 4249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 426bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops capturing and drawing preview frames to the surface, and 427bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * resets the camera for a future call to {@link #startPreview()}. 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final void stopPreview(); 4309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Return current preview state. 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * FIXME: Unhide before release 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native final boolean previewEnabled(); 4389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 440bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame in addition 441bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying them on the screen. The callback will be repeatedly called 442bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active. This method can be called at any time, 443bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * even while preview is live. Any other preview callbacks are overridden. 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 445bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of each preview frame, 446bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setPreviewCallback(PreviewCallback cb) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = cb; 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOneShot = false; 45194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 452a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Always use one-shot mode. We fake camera preview mode by 453a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // doing one-shot preview continuously. 45494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 458bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for the next preview frame in addition 459bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to displaying it on the screen. After one invocation, the callback is 460bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * cleared. This method can be called any time, even when preview is live. 461bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 463bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the next preview frame, 464bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks. 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setOneShotPreviewCallback(PreviewCallback cb) { 46794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 46894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = true; 46994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = false; 47094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, false); 47194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } 47294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 47394927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp private native final void setHasPreviewCallback(boolean installed, boolean manualBuffer); 47494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp 47594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 476bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Installs a callback to be invoked for every preview frame, using buffers 477bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * supplied with {@link #addCallbackBuffer(byte[])}, in addition to 478bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * displaying them on the screen. The callback will be repeatedly called 479bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * for as long as preview is active and buffers are available. 480bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Any other preview callbacks are overridden. 48194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 482bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The purpose of this method is to improve preview efficiency and frame 483bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * rate by allowing preview frame memory reuse. You must call 484bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #addCallbackBuffer(byte[])} at some point -- before or after 485bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling this method -- or no callbacks will received. 48694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 487bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The buffer queue will be cleared if this method is called with a null 488bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * callback, {@link #setPreviewCallback(Camera.PreviewCallback)} is called, 489bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or {@link #setOneShotPreviewCallback(Camera.PreviewCallback)} is called. 49094927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 491bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb a callback object that receives a copy of the preview frame, 492bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or null to stop receiving callbacks and clear the buffer queue. 493bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #addCallbackBuffer(byte[]) 49494927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 49594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp public final void setPreviewCallbackWithBuffer(PreviewCallback cb) { 49694927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mPreviewCallback = cb; 49794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mOneShot = false; 49894927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp mWithBuffer = true; 49994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(cb != null, true); 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50294927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp /** 5033f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Adds a pre-allocated buffer to the preview callback buffer queue. 5043f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Applications can add one or more buffers to the queue. When a preview 505bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * frame arrives and there is still at least one available buffer, the 506bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * buffer will be used and removed from the queue. Then preview callback is 507bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * invoked with the buffer. If a frame arrives and there is no buffer left, 508bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the frame is discarded. Applications should add buffers back when they 509bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * finish processing the data in them. 510c10275abd6a494c93a025f683dde104a5d4f2793Wu-cheng Li * 511bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>The size of the buffer is determined by multiplying the preview 512e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image width, height, and bytes per pixel. The width and height can be 513e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPreviewSize()}. Bytes per pixel 514bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * can be computed from 515bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 516bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 51794927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 518bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only necessary when 519e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link #setPreviewCallbackWithBuffer(PreviewCallback)} is used. When 520bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setPreviewCallback(PreviewCallback)} or 521bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #setOneShotPreviewCallback(PreviewCallback)} are used, buffers 522e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * are automatically allocated. When a supplied buffer is too small to 523e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * hold the preview frame data, preview callback will return null and 524e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * the buffer will be removed from the buffer queue. 52594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp * 526bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param callbackBuffer the buffer to add to the queue. 527bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The size should be width * height * bits_per_pixel / 8. 5285b9bcda3a26e9b1f9b1eff28a2be8853d69614f0Wu-cheng Li * @see #setPreviewCallbackWithBuffer(PreviewCallback) 52994927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp */ 530e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addCallbackBuffer(byte[] callbackBuffer) 531e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 532e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, CAMERA_MSG_PREVIEW_FRAME); 533e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 534e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 535e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong /** 536e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Adds a pre-allocated buffer to the raw image callback buffer queue. 537e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Applications can add one or more buffers to the queue. When a raw image 538e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * frame arrives and there is still at least one available buffer, the 539e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * buffer will be used to hold the raw image data and removed from the 540e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. Then raw image callback is invoked with the buffer. If a raw 541e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * image frame arrives but there is no buffer left, the frame is 542e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * discarded. Applications should add buffers back when they finish 543e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * processing the data in them by calling this method again in order 544e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * to avoid running out of raw image callback buffers. 545e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 546e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>The size of the buffer is determined by multiplying the raw image 547e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * width, height, and bytes per pixel. The width and height can be 548e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * read from {@link Camera.Parameters#getPictureSize()}. Bytes per pixel 549e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * can be computed from 550e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@link android.graphics.ImageFormat#getBitsPerPixel(int)} / 8, 551e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * using the image format from {@link Camera.Parameters#getPreviewFormat()}. 552e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 553e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * <p>This method is only necessary when the PictureCallbck for raw image 554e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is used while calling {@link #takePicture(Camera.ShutterCallback, 555e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 556e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 557e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Please note that by calling this method, the mode for application-managed 558e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * callback buffers is triggered. If this method has never been called, 559e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null will be returned by the raw image callback since there is 560e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * no image callback buffer available. Furthermore, When a supplied buffer 561e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * is too small to hold the raw image data, raw image callback will return 562e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null and the buffer will be removed from the buffer queue. 563e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 564e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @param callbackBuffer the buffer to add to the raw image callback buffer 565e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * queue. The size should be width * height * (bits per pixel) / 8. An 566e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * null callbackBuffer will be ignored and won't be added to the queue. 567e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 568e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #takePicture(Camera.ShutterCallback, 569e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * Camera.PictureCallback, Camera.PictureCallback, Camera.PictureCallback)}. 570e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 571e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * {@hide} 572e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong */ 573e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong public final void addRawImageCallbackBuffer(byte[] callbackBuffer) 574e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 575e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong addCallbackBuffer(callbackBuffer, CAMERA_MSG_RAW_IMAGE); 576e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 577e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 578e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private final void addCallbackBuffer(byte[] callbackBuffer, int msgType) 579e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong { 580e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // CAMERA_MSG_VIDEO_FRAME may be allowed in the future. 581e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (msgType != CAMERA_MSG_PREVIEW_FRAME && 582e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType != CAMERA_MSG_RAW_IMAGE) { 583e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong throw new IllegalArgumentException( 584e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong "Unsupported message type: " + msgType); 585e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 586e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 587e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong _addCallbackBuffer(callbackBuffer, msgType); 588e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 589e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 590e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void _addCallbackBuffer( 591e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong byte[] callbackBuffer, int msgType); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Camera mCamera; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(Camera c, Looper looper) { 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCamera = c; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 605c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_SHUTTER: 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mShutterCallback != null) { 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback.onShutter(); 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 610c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks 611c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_RAW_IMAGE: 612e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mRawImageCallback != null) { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback.onPictureTaken((byte[])msg.obj, mCamera); 614e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 617c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_COMPRESSED_IMAGE: 618e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mJpegCallback != null) { 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback.onPictureTaken((byte[])msg.obj, mCamera); 620e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 623c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_PREVIEW_FRAME: 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPreviewCallback != null) { 625a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks PreviewCallback cb = mPreviewCallback; 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOneShot) { 627a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Clear the callback variable before the callback 628a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // in case the app calls setPreviewCallback from 629a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the callback function 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPreviewCallback = null; 63194927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp } else if (!mWithBuffer) { 632a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // We're faking the camera preview mode to prevent 633a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // the app from being flooded with preview frames. 634a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks // Set to oneshot mode again. 63594927dffce1626898b59579dfc5af53b5de8cef6Andrew Harp setHasPreviewCallback(true, false); 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 637a6118c6383c6f5703a576d08586a340fd71d28a4Dave Sparks cb.onPreviewFrame((byte[])msg.obj, mCamera); 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 641e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_POSTVIEW_FRAME: 642e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mPostviewCallback != null) { 643e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback.onPictureTaken((byte[])msg.obj, mCamera); 644e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 645e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 646e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 647c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_FOCUS: 648e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mAutoFocusCallback != null) { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback.onAutoFocus(msg.arg1 == 0 ? false : true, mCamera); 650e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 651e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks return; 652e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 653e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks case CAMERA_MSG_ZOOM: 6543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li if (mZoomListener != null) { 6553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener.onZoomChange(msg.arg1, msg.arg2 != 0, mCamera); 656e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659c62f9bd13327937aa2d2f20b44215397120634c1Dave Sparks case CAMERA_MSG_ERROR : 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Error " + msg.arg1); 661e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks if (mErrorCallback != null) { 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback.onError(msg.arg1, mCamera); 663e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object camera_ref, 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Camera c = (Camera)((WeakReference)camera_ref).get(); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c == null) 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (c.mEventHandler != null) { 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = c.mEventHandler.obtainMessage(what, arg1, arg2, obj); 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.mEventHandler.sendMessage(m); 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 687bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to notify on completion of camera auto focus. 688bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 6897478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * <p>Devices that do not support auto-focus will receive a "fake" 6907478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * callback to this interface. If your application needs auto-focus and 691df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * should not be installed on devices <em>without</em> auto-focus, you must 692df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * declare that your app uses the 6937478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * {@code android.hardware.camera.autofocus} feature, in the 694df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 695df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 696bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 697bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(AutoFocusCallback) 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface AutoFocusCallback 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 70269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * Called when the camera auto focus completes. If the camera 70369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * does not support auto-focus and autoFocus is called, 70469ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * onAutoFocus will be called immediately with a fake value of 70569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <code>success</code> set to <code>true</code>. 7069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param success true if focus was successful, false if otherwise 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onAutoFocus(boolean success, Camera camera); 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 714bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Starts camera auto-focus and registers a callback function to run when 715bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * the camera is focused. This method is only valid when preview is active 716bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * (between {@link #startPreview()} and before {@link #stopPreview()}). 717bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 718bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>Callers should check 719bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link android.hardware.Camera.Parameters#getFocusMode()} to determine if 720bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this method should be called. If the camera does not support auto-focus, 721bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * it is a no-op and {@link AutoFocusCallback#onAutoFocus(boolean, Camera)} 72236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * callback will be called immediately. 723bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 724da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If your application should not be installed 7257478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * on devices without auto-focus, you must declare that your application 7267478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * uses auto-focus with the 727df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * <a href="{@docRoot}guide/topics/manifest/uses-feature-element.html"><uses-feature></a> 728df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * manifest element.</p> 729bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 730068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * <p>If the current flash mode is not 731068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * {@link android.hardware.Camera.Parameters#FLASH_MODE_OFF}, flash may be 732bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * fired during auto-focus, depending on the driver and camera hardware.<p> 7337478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param cb the callback to run 735bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #cancelAutoFocus() 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void autoFocus(AutoFocusCallback cb) 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAutoFocusCallback = cb; 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_autoFocus(); 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_autoFocus(); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 745bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Cancels any auto-focus function in progress. 746bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Whether or not auto-focus is currently in progress, 747bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * this function will return the focus position to the default. 748244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang * If the camera does not support auto-focus, this is a no-op. 749bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 750bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #autoFocus(Camera.AutoFocusCallback) 751244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang */ 752244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang public final void cancelAutoFocus() 753244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang { 754244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang mAutoFocusCallback = null; 755244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang native_cancelAutoFocus(); 756244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang } 757244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang private native final void native_cancelAutoFocus(); 758244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang 759244f8c26365a303d9dd861bd48a29a4b48578da1Chih-Chung Chang /** 760bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to signal the moment of actual image capture. 761bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 762bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ShutterCallback 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 767bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called as near as possible to the moment when a photo is captured 768bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * from the sensor. This is a good opportunity to play a shutter sound 769bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or give other feedback of camera operation. This may be some time 770bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * after the photo was triggered, but some time before the actual data 771bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is available. 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onShutter(); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 777bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface used to supply image data from a photo capture. 778bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 779bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PictureCallback { 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 783bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when image data is available after a picture is taken. 784bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * The format of the data depends on the context of the callback 785bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * and {@link Camera.Parameters} settings. 7869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param data a byte array of the picture data 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPictureTaken(byte[] data, Camera camera); 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 794bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Equivalent to takePicture(shutter, raw, null, jpeg). 7959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 796bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #takePicture(ShutterCallback, PictureCallback, PictureCallback, PictureCallback) 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void takePicture(ShutterCallback shutter, PictureCallback raw, 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PictureCallback jpeg) { 800e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks takePicture(shutter, raw, null, jpeg); 801e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 802e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong private native final void native_takePicture(int msgType); 803e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 804e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 8059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Triggers an asynchronous image capture. The camera service will initiate 8069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * a series of callbacks to the application as the image capture progresses. 8079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The shutter callback occurs after the image is captured. This can be used 8089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to trigger a sound to let the user know that image has been captured. The 8099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * raw callback occurs when the raw image data is available (NOTE: the data 810e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * will be null if there is no raw image callback buffer available or the 811e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * raw image callback buffer is not large enough to hold the raw image). 8129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * The postview callback occurs when a scaled, fully processed postview 8139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * image is available (NOTE: not all hardware supports this). The jpeg 8149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * callback occurs when the compressed image is available. If the 8159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * application does not need a particular callback, a null can be passed 8169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * instead of a callback method. 817e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * 818bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>This method is only valid when preview is active (after 819bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link #startPreview()}). Preview will be stopped after the image is 820bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * taken; callers must call {@link #startPreview()} again if they want to 821bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * re-start preview or take more pictures. 82240057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 823bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * <p>After calling this method, you must not call {@link #startPreview()} 824bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * or take another picture until the JPEG callback has returned. 82540057ce749c8c4d274db0352a2af4344bda92dbaWu-cheng Li * 826bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param shutter the callback for image capture moment, or null 827bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param raw the callback for raw (uncompressed) image data, or null 828e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param postview callback with postview image data, may be null 829bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param jpeg the callback for JPEG image data, or null 830e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * 831e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong * @see #addRawImageCallbackBuffer(byte[]) 832e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 833e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks public final void takePicture(ShutterCallback shutter, PictureCallback raw, 834e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks PictureCallback postview, PictureCallback jpeg) { 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mShutterCallback = shutter; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRawImageCallback = raw; 837e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks mPostviewCallback = postview; 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mJpegCallback = jpeg; 839e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 840e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong // If callback is not set, do not send me callbacks. 841e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong int msgType = 0; 842e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mShutterCallback != null) { 843e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_SHUTTER; 844e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 845e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mRawImageCallback != null) { 846e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_RAW_IMAGE; 847e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 848e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mPostviewCallback != null) { 849e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_POSTVIEW_FRAME; 850e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 851e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong if (mJpegCallback != null) { 852e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong msgType |= CAMERA_MSG_COMPRESSED_IMAGE; 853e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong } 854e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong 855e00cab707dcaf6f05adb5ccb9c80fdf25c483427James Dong native_takePicture(msgType); 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 858e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 859bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Zooms to the requested value smoothly. The driver will notify {@link 8603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} of the zoom value and whether zoom is stopped at 8613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * the time. For example, suppose the current zoom is 0 and startSmoothZoom 862bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with value 3. The 863bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.OnZoomChangeListener#onZoomChange(int, boolean, Camera)} 864bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * method will be called three times with zoom values 1, 2, and 3. 865bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications can call {@link #stopSmoothZoom} to stop the zoom earlier. 866bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Applications should not call startSmoothZoom again or change the zoom 867bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * value before zoom stops. If the supplied zoom value equals to the current 868bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * zoom value, no zoom callback will be generated. This method is supported 869bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * if {@link android.hardware.Camera.Parameters#isSmoothZoomSupported} 870bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * returns true. 87136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 87236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link 87336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * android.hardware.Camera.Parameters#getMaxZoom}. 8740ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws IllegalArgumentException if the zoom value is invalid. 8750ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 876bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 87736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 87836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void startSmoothZoom(int value); 87936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 88036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 881bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Stops the smooth zoom. Applications should wait for the {@link 8823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * OnZoomChangeListener} to know when the zoom is actually stopped. This 8833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * method is supported if {@link 8848cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * android.hardware.Camera.Parameters#isSmoothZoomSupported} is true. 8850ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * 8860ca25191c663ef229f1f475b17899f2017ed6980Wu-cheng Li * @throws RuntimeException if the method fails. 88736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 88836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public native final void stopSmoothZoom(); 88936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 89036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 8912fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Set the clockwise rotation of preview display in degrees. This affects 8922fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * the preview frames and the picture displayed after snapshot. This method 8932fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * is useful for portrait mode applications. Note that preview display of 894b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * front-facing cameras is flipped horizontally before the rotation, that 895b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * is, the image is reflected along the central vertical axis of the camera 896b982fb4fd36a3cd24a0bb17c964139fe4c9cbb47Wu-cheng Li * sensor. So the users can see themselves as looking into a mirror. 897d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 89869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>This does not affect the order of byte array passed in {@link 8992fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * PreviewCallback#onPreviewFrame}, JPEG pictures, or recorded videos. This 9002fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * method is not allowed to be called during preview. 901d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * 90269ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If you want to make the camera image show in the same orientation as 90369ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * the display, you can use the following code. 904b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * <pre> 905724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * public static void setCameraDisplayOrientation(Activity activity, 906724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int cameraId, android.hardware.Camera camera) { 907724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.CameraInfo info = 908724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * new android.hardware.Camera.CameraInfo(); 909724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * android.hardware.Camera.getCameraInfo(cameraId, info); 910724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int rotation = activity.getWindowManager().getDefaultDisplay() 911724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * .getRotation(); 912724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * int degrees = 0; 913724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * switch (rotation) { 914724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_0: degrees = 0; break; 915724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_90: degrees = 90; break; 916724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_180: degrees = 180; break; 917724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * case Surface.ROTATION_270: degrees = 270; break; 918724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 919b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * 9202fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int result; 9212fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) { 9222fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation + degrees) % 360; 9232fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (360 - result) % 360; // compensate the mirror 9242fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing 9252fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * result = (info.orientation - degrees + 360) % 360; 9262fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 927724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * camera.setDisplayOrientation(result); 928724c52244423feced2677fbd1f905e0b8b0639f2Chih-Chung Chang * } 929b8bb78f54b48868465a9d69d65fda08524ab5ae1Chih-Chung Chang * </pre> 930d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang * @param degrees the angle that the picture will be rotated clockwise. 931e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * Valid values are 0, 90, 180, and 270. The starting 932e7bd22a9d9441916aa9c67d80ee9f02a2d3e10e5Chih-Chung Chang * position is 0 (landscape). 9332fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * @see #setPreviewDisplay(SurfaceHolder) 934d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang */ 935d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang public native final void setDisplayOrientation(int degrees); 936d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang 937d1d7706fce19a9a0cf71ff9b65f3aba9b89eeb3bChih-Chung Chang /** 938bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for zoom changes during a smooth zoom operation. 939bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 940bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setZoomChangeListener(OnZoomChangeListener) 941bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #startSmoothZoom(int) 942e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9433f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public interface OnZoomChangeListener 944e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 945e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 946bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Called when the zoom value has changed during a smooth zoom. 94736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 94836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param zoomValue the current zoom value. In smooth zoom mode, camera 9493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * calls this for every new zoom value. 95036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param stopped whether smooth zoom is stopped. If the value is true, 95136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this is the last zoom update for the application. 952e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks * @param camera the Camera service object 953e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li void onZoomChange(int zoomValue, boolean stopped, Camera camera); 955e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks }; 956e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks 957e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks /** 9583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Registers a listener to be notified when the zoom value is updated by the 95936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * camera driver during smooth zoom. 9608cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * 9613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param listener the listener to notify 9628cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @see #startSmoothZoom(int) 963e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks */ 9643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li public final void setZoomChangeListener(OnZoomChangeListener listener) 965e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks { 9663f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li mZoomListener = listener; 967e8b26e197f7c5e4acbdf8a5cd3f014fbc242c8abDave Sparks } 9689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 969bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor // Error codes match the enum in include/ui/Camera.h 970bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 971bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 972bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Unspecified camera error. 973bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 974bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_UNKNOWN = 1; 976bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor 977bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor /** 978bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Media server died. In this case, the application must release the 979bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera object and instantiate a new one. 980bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see Camera.ErrorCallback 981bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor */ 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA_ERROR_SERVER_DIED = 100; 9839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 985bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Callback interface for camera error notification. 986bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 987bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setErrorCallback(ErrorCallback) 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface ErrorCallback 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Callback for camera errors. 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param error error code: 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_UNKNOWN} 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #CAMERA_ERROR_SERVER_DIED} 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param camera the Camera service object 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(int error, Camera camera); 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Registers a callback to be invoked when an error occurs. 1005bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @param cb The callback to run 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final void setErrorCallback(ErrorCallback cb) 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mErrorCallback = cb; 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setParameters(String params); 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final String native_getParameters(); 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1016bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Changes the settings for this Camera service. 10179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param params the Parameters to use for this Camera service 101999a3f3e4e06b4370101ca97cc11dbe81d772fefaWu-cheng Li * @throws RuntimeException if any parameter is invalid or not supported. 1020bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #getParameters() 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setParameters(Parameters params) { 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setParameters(params.flatten()); 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1027bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Returns the current settings for this Camera service. 1028bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * If modifications are made to the returned Parameters, they must be passed 1029bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * to {@link #setParameters(Camera.Parameters)} to take effect. 1030bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * 1031bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * @see #setParameters(Camera.Parameters) 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Parameters getParameters() { 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Parameters p = new Parameters(); 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = native_getParameters(); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project p.unflatten(s); 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return p; 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1041bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Image size (width and height dimensions). 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Size { 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 10469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param w the photo width (pixels) 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param h the photo height (pixels) 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size(int w, int h) { 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = w; 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = h; 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10544c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 10554c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Compares {@code obj} to this size. 10564c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 10574c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @param obj the object to compare this size with. 10584c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * @return {@code true} if the width and height of {@code obj} is the 10594c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * same as those of this size. {@code false} otherwise. 10604c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 10614c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 10624c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public boolean equals(Object obj) { 10634c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li if (!(obj instanceof Size)) { 10644c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return false; 10654c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10664c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li Size s = (Size) obj; 10674c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width == s.width && height == s.height; 10684c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10694c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li @Override 10704c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public int hashCode() { 10714c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return width * 32713 + height; 10724c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** width of the picture */ 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int width; 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** height of the picture */ 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int height; 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1080bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * Camera service settings. 10819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>To make camera parameters take effect, applications have to call 1083bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera#setParameters(Camera.Parameters)}. For example, after 1084bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#setWhiteBalance} is called, white balance is not 1085bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * actually changed until {@link Camera#setParameters(Camera.Parameters)} 1086bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * is called with the changed parameters object. 10879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 10889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * <p>Different devices may have different camera capabilities, such as 10899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * picture size or flash modes. The application should query the camera 10909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * capabilities before setting parameters. For example, the application 1091bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * should call {@link Camera.Parameters#getSupportedColorEffects()} before 1092bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * calling {@link Camera.Parameters#setColorEffect(String)}. If the 1093bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * camera does not support color effects, 1094bfcbeffc54e93b1c2e2d95fdc301786df4376d6fDan Egnor * {@link Camera.Parameters#getSupportedColorEffects()} will return null. 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class Parameters { 10979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter keys to communicate with the camera driver. 10989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_SIZE = "preview-size"; 10999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FORMAT = "preview-format"; 11009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PREVIEW_FRAME_RATE = "preview-frame-rate"; 1101454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private static final String KEY_PREVIEW_FPS_RANGE = "preview-fps-range"; 11029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_SIZE = "picture-size"; 11039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_PICTURE_FORMAT = "picture-format"; 11044c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_SIZE = "jpeg-thumbnail-size"; 11059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_WIDTH = "jpeg-thumbnail-width"; 11069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_HEIGHT = "jpeg-thumbnail-height"; 11079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_THUMBNAIL_QUALITY = "jpeg-thumbnail-quality"; 11089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_JPEG_QUALITY = "jpeg-quality"; 11099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ROTATION = "rotation"; 11109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LATITUDE = "gps-latitude"; 11119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_LONGITUDE = "gps-longitude"; 11129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_ALTITUDE = "gps-altitude"; 11139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_GPS_TIMESTAMP = "gps-timestamp"; 1114055c986ab841f8f758398841730f1e90313b132aRay Chen private static final String KEY_GPS_PROCESSING_METHOD = "gps-processing-method"; 11159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_WHITE_BALANCE = "whitebalance"; 11169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_EFFECT = "effect"; 11179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_ANTIBANDING = "antibanding"; 11189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_SCENE_MODE = "scene-mode"; 11199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String KEY_FLASH_MODE = "flash-mode"; 112036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li private static final String KEY_FOCUS_MODE = "focus-mode"; 11216c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_FOCAL_LENGTH = "focal-length"; 11226c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_HORIZONTAL_VIEW_ANGLE = "horizontal-view-angle"; 11236c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li private static final String KEY_VERTICAL_VIEW_ANGLE = "vertical-view-angle"; 1124ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION = "exposure-compensation"; 112524b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MAX_EXPOSURE_COMPENSATION = "max-exposure-compensation"; 112624b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_MIN_EXPOSURE_COMPENSATION = "min-exposure-compensation"; 112724b326a8978bf78e3e560723dde221792784325bWu-cheng Li private static final String KEY_EXPOSURE_COMPENSATION_STEP = "exposure-compensation-step"; 11288cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM = "zoom"; 11298cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_MAX_ZOOM = "max-zoom"; 11308cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_RATIOS = "zoom-ratios"; 11318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_ZOOM_SUPPORTED = "zoom-supported"; 11328cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String KEY_SMOOTH_ZOOM_SUPPORTED = "smooth-zoom-supported"; 1133e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li private static final String KEY_FOCUS_DISTANCES = "focus-distances"; 1134dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_VIDEO_SIZE = "video-size"; 1135dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong private static final String KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO = 1136dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong "preferred-preview-size-for-video"; 1137e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 11389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parameter key suffix for supported values. 11399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String SUPPORTED_VALUES_SUFFIX = "-values"; 11409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li private static final String TRUE = "true"; 11428cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li 11439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for white balance settings. 11449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_AUTO = "auto"; 11459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_INCANDESCENT = "incandescent"; 11469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_FLUORESCENT = "fluorescent"; 11479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_WARM_FLUORESCENT = "warm-fluorescent"; 11489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_DAYLIGHT = "daylight"; 11499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_CLOUDY_DAYLIGHT = "cloudy-daylight"; 11509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_TWILIGHT = "twilight"; 11519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String WHITE_BALANCE_SHADE = "shade"; 11529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for color effect settings. 11549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NONE = "none"; 11559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_MONO = "mono"; 11569b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_NEGATIVE = "negative"; 11579b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SOLARIZE = "solarize"; 11589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_SEPIA = "sepia"; 11599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_POSTERIZE = "posterize"; 11609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_WHITEBOARD = "whiteboard"; 11619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_BLACKBOARD = "blackboard"; 11629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String EFFECT_AQUA = "aqua"; 11639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for antibanding settings. 11659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_AUTO = "auto"; 11669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_50HZ = "50hz"; 11679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_60HZ = "60hz"; 11689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String ANTIBANDING_OFF = "off"; 11699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 11709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Values for flash mode settings. 11719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 11729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will not be fired. 11739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_OFF = "off"; 117536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 11769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1177068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will be fired automatically when required. The flash may be fired 1178068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * during preview, auto-focus, or snapshot depending on the driver. 11799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_AUTO = "auto"; 118136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 11829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1183068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Flash will always be fired during snapshot. The flash may also be 1184068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * fired during preview or auto-focus depending on the driver. 11859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_ON = "on"; 118736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 11889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 11899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Flash will be fired in red-eye reduction mode. 11909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 11919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String FLASH_MODE_RED_EYE = "red-eye"; 119236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 119336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1194068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * Constant emission of light during preview, auto-focus and snapshot. 1195068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li * This can also be used for video recording. 119636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 1197068ef42c3ffe1eccec10f97f08541304f679fe67Wu-cheng Li public static final String FLASH_MODE_TORCH = "torch"; 11989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 119900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 120000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Scene mode is off. 120100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_AUTO = "auto"; 120300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 120400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 120500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 120600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_SPORTS}. 120700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_ACTION = "action"; 120900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 121000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 121100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures. 121200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PORTRAIT = "portrait"; 121400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 121500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 121600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on distant objects. 121700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_LANDSCAPE = "landscape"; 121900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 122000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 122100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos at night. 122200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT = "night"; 122400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 122500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 122600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take people pictures at night. 122700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_NIGHT_PORTRAIT = "night-portrait"; 122900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 123000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 123100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos in a theater. Flash light is off. 123200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_THEATRE = "theatre"; 123400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 123500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 123600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the beach. 123700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_BEACH = "beach"; 123900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 124000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 124100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take pictures on the snow. 124200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SNOW = "snow"; 124400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 124500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 124600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take sunset photos. 124700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SUNSET = "sunset"; 124900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 125000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 125100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Avoid blurry pictures (for example, due to hand shake). 125200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_STEADYPHOTO = "steadyphoto"; 125400e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 125500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 125600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * For shooting firework displays. 125700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_FIREWORKS = "fireworks"; 125900e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 126000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 126100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take photos of fast moving objects. Same as {@link 126200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * #SCENE_MODE_ACTION}. 126300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_SPORTS = "sports"; 126500e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 126600e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 126700e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Take indoor low-light shot. 126800e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_PARTY = "party"; 127000e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li 127100e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li /** 127200e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li * Capture the naturally warm color of scenes lit by candles. 127300e21f8eb57a7ae2c19516aa0290ab4fb5f251c2Wu-cheng Li */ 12749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public static final String SCENE_MODE_CANDLELIGHT = "candlelight"; 12759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 1276c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1277c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Applications are looking for a barcode. Camera driver will be 1278c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * optimized for barcode reading. 1279c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1280c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String SCENE_MODE_BARCODE = "barcode"; 1281c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 128236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 1283f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Auto-focus mode. Applications should call {@link 1284f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus in this mode. 128536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 128636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_AUTO = "auto"; 128736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 128836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 128936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is set at infinity. Applications should not call 129036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} in this mode. 129136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 129236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_INFINITY = "infinity"; 1293f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li 1294f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li /** 1295f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * Macro (close-up) focus mode. Applications should call 1296f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * {@link #autoFocus(AutoFocusCallback)} to start the focus in this 1297f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * mode. 1298f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li */ 129936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_MACRO = "macro"; 130036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 130136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 130236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Focus is fixed. The camera is always in this mode if the focus is not 130336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * adjustable. If the camera has auto-focus, this mode can fix the 130436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * focus, which is usually at hyperfocal distance. Applications should 130536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * not call {@link #autoFocus(AutoFocusCallback)} in this mode. 130636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 130736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public static final String FOCUS_MODE_FIXED = "fixed"; 130836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 1309c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li /** 1310c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Extended depth of field (EDOF). Focusing is done digitally and 1311c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * continuously. Applications should not call {@link 1312c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * #autoFocus(AutoFocusCallback)} in this mode. 1313c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li */ 1314c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li public static final String FOCUS_MODE_EDOF = "edof"; 1315c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li 1316699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li /** 1317d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Continuous auto focus mode intended for video recording. The camera 1318d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * continuously tries to focus. This is ideal for shooting video. 1319d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Applications still can call {@link 1320d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * #takePicture(Camera.ShutterCallback, Camera.PictureCallback, 1321d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * Camera.PictureCallback)} in this mode but the subject may not be in 1322d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus. Auto focus starts when the parameter is set. Applications 1323d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * should not call {@link #autoFocus(AutoFocusCallback)} in this mode. 1324d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * To stop continuous focus, applications should change the focus mode 1325d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * to other modes. 1326d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li */ 1327d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li public static final String FOCUS_MODE_CONTINUOUS_VIDEO = "continuous-video"; 1328699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li 1329e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Indices for focus distance array. 1330e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1331e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of near focus distance for use with 1332e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1333e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1334e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_NEAR_INDEX = 0; 1335e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1336e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1337e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of optimal focus distance for use with 1338e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1339e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1340e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_OPTIMAL_INDEX = 1; 1341e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1342e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 1343e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * The array index of far focus distance for use with 1344e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * {@link #getFocusDistances(float[])}. 1345e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 1346e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public static final int FOCUS_DISTANCE_FAR_INDEX = 2; 1347e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 1348ca099614841bc619f217dfa088da630a7eb1ab65Wu-cheng Li /** 1349454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of minimum preview fps for use with {@link 1350454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1351454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1352454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1353454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MIN_INDEX = 0; 1354454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1355454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1356454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * The array index of maximum preview fps for use with {@link 1357454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getPreviewFpsRange(int[])} or {@link 1358454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange()}. 1359454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1360454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public static final int PREVIEW_FPS_MAX_INDEX = 1; 1361454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 13629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Formats for setPreviewFormat and setPictureFormat. 13639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV422SP = "yuv422sp"; 13649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_YUV420SP = "yuv420sp"; 1365eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang private static final String PIXEL_FORMAT_YUV422I = "yuv422i-yuyv"; 136610a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li private static final String PIXEL_FORMAT_YUV420P = "yuv420p"; 13679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_RGB565 = "rgb565"; 13689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private static final String PIXEL_FORMAT_JPEG = "jpeg"; 13699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 13709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private HashMap<String, String> mMap; 13719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Parameters() { 13739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap = new HashMap<String, String>(); 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Writes the current Parameters to the log. 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @hide 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @deprecated 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void dump() { 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: size=" + mMap.size()); 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "dump: " + k + "=" + mMap.get(k)); 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creates a single string with all the parameters set in 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #unflatten(String)} method does the reverse.</p> 13929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return a String with all values from this Parameters object, in 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * semi-colon delimited key-value pairs 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String flatten() { 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringBuilder flattened = new StringBuilder(); 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (String k : mMap.keySet()) { 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(k); 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append("="); 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(mMap.get(k)); 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.append(";"); 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // chop off the extra semicolon at the end 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project flattened.deleteCharAt(flattened.length()-1); 14069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return flattened.toString(); 14079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Takes a flattened string of parameters and adds each one to 14119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this Parameters object. 14129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>The {@link #flatten()} method does the reverse.</p> 14139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param flattened a String of parameters (key-value paired) that 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * are semi-colon delimited 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void unflatten(String flattened) { 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.clear(); 14199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project StringTokenizer tokenizer = new StringTokenizer(flattened, ";"); 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (tokenizer.hasMoreElements()) { 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String kv = tokenizer.nextToken(); 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int pos = kv.indexOf('='); 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (pos == -1) { 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String k = kv.substring(0, pos); 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = kv.substring(pos + 1); 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(k, v); 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void remove(String key) { 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.remove(key); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a String parameter. 14399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the String value of the parameter 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, String value) { 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (key.indexOf('=') != -1 || key.indexOf(';') != -1) { 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Key \"" + key + "\" contains invalid character (= or ;)"); 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (value.indexOf('=') != -1 || value.indexOf(';') != -1) { 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Value \"" + value + "\" contains invalid character (= or ;)"); 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, value); 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets an integer parameter. 14589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param value the int value of the parameter 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void set(String key, int value) { 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMap.put(key, Integer.toString(value)); 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of a String parameter. 14689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the String value of the parameter 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String get(String key) { 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mMap.get(key); 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the value of an integer parameter. 14789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param key the key name for the parameter 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the int value of the parameter 14819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getInt(String key) { 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return Integer.parseInt(mMap.get(key)); 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for preview pictures. 14889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1489c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * The sides of width and height are based on camera orientation. That 1490c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * is, the preview size is the size before it is rotated by display 1491c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation. So applications need to consider the display orientation 1492c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * while setting preview size. For example, suppose the camera supports 1493c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * both 480x320 and 320x480 preview sizes. The application wants a 3:2 1494c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * preview ratio. If the display orientation is set to 0 or 180, preview 1495c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * size should be set to 480x320. If the display orientation is set to 1496c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 90 or 270, preview size should be set to 320x480. The display 1497c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * orientation should also be considered while setting picture size and 1498c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * thumbnail size. 1499c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 15009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the pictures, in pixels 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the pictures, in pixels 1502c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setDisplayOrientation(int) 1503c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #getCameraInfo(int, CameraInfo) 1504c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPictureSize(int, int) 1505c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setJpegThumbnailSize(int, int) 15069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewSize(int width, int height) { 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 15099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_SIZE, v); 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimensions setting for preview pictures. 15149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1515dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a Size object with the width and height setting 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for the preview picture 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPreviewSize() { 15199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PREVIEW_SIZE); 15209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 15219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview sizes. 15259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 15263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 15279c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li * with at least one element. 15289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPreviewSizes() { 15309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_SIZE + SUPPORTED_VALUES_SUFFIX); 15319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1535dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Gets the supported video frame sizes that can be used by 1536dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * MediaRecorder. 1537dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1538dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * If the returned list is not null, the returned list will contain at 1539dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * least one Size and one of the sizes in the returned list must be 1540dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * passed to MediaRecorder.setVideoSize() for camcorder application if 1541dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * camera is used as the video source. In this case, the size of the 1542dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview can be different from the resolution of the recorded video 1543dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * during video recording. 1544dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1545dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return a list of Size object if camera has separate preview and 1546dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video output; otherwise, null is returned. 1547dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getPreferredPreviewSizeForVideo() 1548dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1549dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public List<Size> getSupportedVideoSizes() { 1550dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String str = get(KEY_VIDEO_SIZE + SUPPORTED_VALUES_SUFFIX); 1551dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return splitSize(str); 1552dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1553dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1554dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 1555dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * Returns the preferred or recommended preview size (width and height) 1556dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * in pixels for video recording. Camcorder applications should 1557dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * set the preview size to a value that is not larger than the 1558dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preferred preview size. In other words, the product of the width 1559dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * and height of the preview size should not be larger than that of 1560dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * the preferred preview size. In addition, we recommend to choose a 1561dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * preview size that has the same aspect ratio as the resolution of 1562dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video to be recorded. 1563dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * 1564dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @return the preferred preview size (width and height) in pixels for 1565dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * video recording if getSupportedVideoSizes() does not return 1566dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * null; otherwise, null is returned. 1567dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong * @see #getSupportedVideoSizes() 1568dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong */ 1569dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong public Size getPreferredPreviewSizeForVideo() { 1570dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong String pair = get(KEY_PREFERRED_PREVIEW_SIZE_FOR_VIDEO); 1571dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong return strToSize(pair); 1572dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong } 1573dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong 1574dd0b16c26834d9a58b9865a467c7a26ea14482f3James Dong /** 15754c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Sets the dimensions for EXIF thumbnail in Jpeg picture. If 15764c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * applications set both width and height to 0, EXIF will not contain 15774c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * thumbnail. 15789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1579c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1580c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1581c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the thumbnail, in pixels 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the thumbnail, in pixels 1584c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 15859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 15869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailSize(int width, int height) { 15879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_WIDTH, width); 15889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_HEIGHT, height); 15899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 15909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 15919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 15929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the dimensions for EXIF thumbnail in Jpeg picture. 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 15949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting for the EXIF 15959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * thumbnails 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public Size getJpegThumbnailSize() { 15989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(getInt(KEY_JPEG_THUMBNAIL_WIDTH), 15999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li getInt(KEY_JPEG_THUMBNAIL_HEIGHT)); 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16034c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * Gets the supported jpeg thumbnail sizes. 16044c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * 16053f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of Size object. This method will always return a list 16064c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * with at least two elements. Size 0,0 (no thumbnail) is always 16074c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li * supported. 16084c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li */ 16094c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li public List<Size> getSupportedJpegThumbnailSizes() { 16104c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li String str = get(KEY_JPEG_THUMBNAIL_SIZE + SUPPORTED_VALUES_SUFFIX); 16114c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li return splitSize(str); 16124c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li } 16134c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li 16144c4300c71229638183d814ab8374e09f722910f5Wu-cheng Li /** 16159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the quality of the EXIF thumbnail in Jpeg picture. 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of the EXIF thumbnail. The range is 1 16189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegThumbnailQuality(int quality) { 16219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_THUMBNAIL_QUALITY, quality); 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the EXIF thumbnail in Jpeg picture. 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG quality setting of the EXIF thumbnail. 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegThumbnailQuality() { 16309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_THUMBNAIL_QUALITY); 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets Jpeg quality of captured picture. 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 16369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param quality the JPEG quality of captured picture. The range is 1 16379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * to 100, with 100 being the best. 16389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setJpegQuality(int quality) { 16409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_JPEG_QUALITY, quality); 16419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 16429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Returns the quality setting for the JPEG picture. 16459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return the JPEG picture quality setting. 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public int getJpegQuality() { 16499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_JPEG_QUALITY); 16509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1653a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Sets the rate at which preview frames are received. This is the 1654a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * target frame rate. The actual frame rate depends on the driver. 16559b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fps the frame rate (frames per second) 16575f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #setPreviewFpsRange(int,int)} 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16595f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFrameRate(int fps) { 16619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FRAME_RATE, fps); 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1665a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * Returns the setting for the rate at which preview frames are 1666a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * received. This is the target frame rate. The actual frame rate 1667a18e90176a8e2442837d0503fbfd4adb9df0818fWu-cheng Li * depends on the driver. 16689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the frame rate setting (frames per second) 16705f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getPreviewFpsRange(int[])} 16719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16725f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 16739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFrameRate() { 16749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return getInt(KEY_PREVIEW_FRAME_RATE); 16759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 16769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 16779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 16789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported preview frame rates. 16799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 16803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview frame rates. null if preview 16813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * frame rate setting is not supported. 16825f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li * @deprecated replaced by {@link #getSupportedPreviewFpsRange()} 16839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 16845f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li @Deprecated 16859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFrameRates() { 16869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FRAME_RATE + SUPPORTED_VALUES_SUFFIX); 16879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitInt(str); 16889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1691454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Sets the maximum and maximum preview fps. This controls the rate of 16921620d118a49dc6df7b0e83d7343f8a8bb6e23b12Wu-cheng Li * preview frames received in {@link PreviewCallback}. The minimum and 1693454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum preview fps must be one of the elements from {@link 1694454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * #getSupportedPreviewFpsRange}. 1695454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1696454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param min the minimum preview fps (scaled by 1000). 1697454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @param max the maximum preview fps (scaled by 1000). 1698454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @throws RuntimeException if fps range is invalid. 1699454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #setPreviewCallbackWithBuffer(Camera.PreviewCallback) 1700454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1701454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1702454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void setPreviewFpsRange(int min, int max) { 1703454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li set(KEY_PREVIEW_FPS_RANGE, "" + min + "," + max); 1704454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1705454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1706454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1707454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Returns the current minimum and maximum preview fps. The values are 1708454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * one of the elements returned by {@link #getSupportedPreviewFpsRange}. 1709454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1710454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return range the minimum and maximum preview fps (scaled by 1000). 1711454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1712454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1713454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #getSupportedPreviewFpsRange() 1714454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1715454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public void getPreviewFpsRange(int[] range) { 1716454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (range == null || range.length != 2) { 1717454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li throw new IllegalArgumentException( 17185f1e69c76ef5886ed65e303490c5f660da4756efWu-cheng Li "range must be an array with two elements."); 1719454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1720454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(get(KEY_PREVIEW_FPS_RANGE), range); 1721454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1722454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1723454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 1724454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * Gets the supported preview fps (frame-per-second) ranges. Each range 1725454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * contains a minimum fps and maximum fps. If minimum fps equals to 1726454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * maximum fps, the camera outputs frames in fixed frame rate. If not, 1727454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * the camera outputs frames in auto frame rate. The actual frame rate 1728454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * fluctuates between the minimum and the maximum. The values are 1729454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * multiplied by 1000 and represented in integers. For example, if frame 1730454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * rate is 26.623 frames per second, the value is 26623. 1731454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * 1732454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @return a list of supported preview fps ranges. This method returns a 1733454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * list with at least one element. Every element is an int array 1734454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * of two values - minimum fps and maximum fps. The list is 1735454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * sorted from small to large (first by maximum fps and then 1736454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * minimum fps). 1737454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MIN_INDEX 1738454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li * @see #PREVIEW_FPS_MAX_INDEX 1739454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li */ 1740454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li public List<int[]> getSupportedPreviewFpsRange() { 1741454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String str = get(KEY_PREVIEW_FPS_RANGE + SUPPORTED_VALUES_SUFFIX); 1742454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return splitRange(str); 1743454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 1744454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 1745454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li /** 17467478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * Sets the image format for preview pictures. 1747da0a56df963353a1f1bd1914fa31f870d982dd5aScott Main * <p>If this is never called, the default format will be 1748a696f5d667227365da732481770767dcb330dd23Mathias Agopian * {@link android.graphics.ImageFormat#NV21}, which 1749df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * uses the NV21 encoding format.</p> 17507478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 1751df4578e8ab7008a7e528d5af2ae761b33cf2bdf4Scott Main * @param pixel_format the desired preview picture format, defined 1752a696f5d667227365da732481770767dcb330dd23Mathias Agopian * by one of the {@link android.graphics.ImageFormat} constants. 1753a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (E.g., <var>ImageFormat.NV21</var> (default), 1754a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1755a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1756a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 17579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewFormat(int pixel_format) { 17599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 17609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 17619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 17629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 17639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PREVIEW_FORMAT, s); 17669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * Returns the image format for preview frames got from 17709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * {@link PreviewCallback}. 17717478ea6848c0059e65a4089b4ec2ff4158520870Wu-cheng Li * 17723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the preview format. 17733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 17759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPreviewFormat() { 17769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PREVIEW_FORMAT)); 17779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 17789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 17799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 1780f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * Gets the supported preview formats. {@link android.graphics.ImageFormat#NV21} 1781f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported. {@link android.graphics.ImageFormat#YV12} 1782f9293e7d5057f54ec90423f55b78138d5729e30fWu-cheng Li * is always supported since API level 12. 17839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 17843f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported preview formats. This method will always 17853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 17863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 17879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 17889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPreviewFormats() { 17899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PREVIEW_FORMAT + SUPPORTED_VALUES_SUFFIX); 1790eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang ArrayList<Integer> formats = new ArrayList<Integer>(); 1791eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang for (String s : split(str)) { 1792eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang int f = pixelFormatForCameraFormat(s); 1793a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 1794eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang formats.add(f); 1795eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang } 1796eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang return formats; 17979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the dimensions for pictures. 18019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1802c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * Applications need to consider the display orientation. See {@link 1803c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * #setPreviewSize(int,int)} for reference. 1804c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 18059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width for pictures, in pixels 18069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height for pictures, in pixels 1807c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * @see #setPreviewSize(int,int) 1808c157e0cd161e5b3b28b72bafebb3360ed856a608Wu-cheng Li * 18099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureSize(int width, int height) { 18119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String v = Integer.toString(width) + "x" + Integer.toString(height); 18129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_SIZE, v); 18139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the dimension setting for pictures. 18179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return a Size object with the height and width setting 18199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * for pictures 18209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Size getPictureSize() { 18229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String pair = get(KEY_PICTURE_SIZE); 18239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return strToSize(pair); 18249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture sizes. 18289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18293f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported picture sizes. This method will always 18303f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 18319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Size> getSupportedPictureSizes() { 18339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_PICTURE_SIZE + SUPPORTED_VALUES_SUFFIX); 18349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return splitSize(str); 18359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the image format for pictures. 18399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param pixel_format the desired picture format 1841a696f5d667227365da732481770767dcb330dd23Mathias Agopian * (<var>ImageFormat.NV21</var>, 1842a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.RGB_565</var>, or 1843a696f5d667227365da732481770767dcb330dd23Mathias Agopian * <var>ImageFormat.JPEG</var>) 1844a696f5d667227365da732481770767dcb330dd23Mathias Agopian * @see android.graphics.ImageFormat 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPictureFormat(int pixel_format) { 18479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String s = cameraFormatForPixelFormat(pixel_format); 18489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (s == null) { 18499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 18509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid pixel_format=" + pixel_format); 18519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_PICTURE_FORMAT, s); 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the image format for pictures. 18589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18593f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return the picture format 18603f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 18619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPictureFormat() { 18639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return pixelFormatForCameraFormat(get(KEY_PICTURE_FORMAT)); 18649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 18659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 18669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 18679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported picture formats. 18689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 18693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return supported picture formats. This method will always return a 18703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * list with at least one element. 18713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see android.graphics.ImageFormat 18729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 18739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<Integer> getSupportedPictureFormats() { 18749c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li String str = get(KEY_PICTURE_FORMAT + SUPPORTED_VALUES_SUFFIX); 18759c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li ArrayList<Integer> formats = new ArrayList<Integer>(); 18769c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li for (String s : split(str)) { 18779c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li int f = pixelFormatForCameraFormat(s); 1878a696f5d667227365da732481770767dcb330dd23Mathias Agopian if (f == ImageFormat.UNKNOWN) continue; 18799c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li formats.add(f); 18809c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li } 18819c79938d47a3caa06e5fb956955374f30c55992bWu-cheng Li return formats; 18829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String cameraFormatForPixelFormat(int pixel_format) { 18859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(pixel_format) { 1886a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV16: return PIXEL_FORMAT_YUV422SP; 1887a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.NV21: return PIXEL_FORMAT_YUV420SP; 1888a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.YUY2: return PIXEL_FORMAT_YUV422I; 188910a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li case ImageFormat.YV12: return PIXEL_FORMAT_YUV420P; 1890a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.RGB_565: return PIXEL_FORMAT_RGB565; 1891a696f5d667227365da732481770767dcb330dd23Mathias Agopian case ImageFormat.JPEG: return PIXEL_FORMAT_JPEG; 1892a696f5d667227365da732481770767dcb330dd23Mathias Agopian default: return null; 18939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int pixelFormatForCameraFormat(String format) { 18979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (format == null) 1898a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 18999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV422SP)) 1901a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV16; 19029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420SP)) 1904a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.NV21; 19059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1906eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang if (format.equals(PIXEL_FORMAT_YUV422I)) 1907a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.YUY2; 1908eb68c46a40c773eb56ef7bcf8e7ece5c6a5a8d23Chih-Chung Chang 190910a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li if (format.equals(PIXEL_FORMAT_YUV420P)) 191010a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li return ImageFormat.YV12; 191110a1b30dfbd0bbeae6776e353600986647c6e0a8Wu-cheng Li 19129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_RGB565)) 1913a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.RGB_565; 19149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (format.equals(PIXEL_FORMAT_JPEG)) 1916a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.JPEG; 19179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1918a696f5d667227365da732481770767dcb330dd23Mathias Agopian return ImageFormat.UNKNOWN; 19199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19222fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * Sets the rotation angle in degrees relative to the orientation of 19232fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the camera. This affects the pictures returned from JPEG {@link 19242fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * PictureCallback}. The camera driver may set orientation in the 19252fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * EXIF header without rotating the picture. Or the driver may rotate 19262fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the picture and the EXIF thumbnail. If the Jpeg picture is rotated, 19272fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * the orientation in the EXIF header will be missing or 1 (row #0 is 19282fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * top and column #0 is left side). 19299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 193069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>If applications want to rotate the picture to match the orientation 19312fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of what users see, apps should use {@link 19322fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.view.OrientationEventListener} and {@link CameraInfo}. 19332fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * The value from OrientationEventListener is relative to the natural 19342fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation of the device. CameraInfo.orientation is the angle 193569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * between camera orientation and natural device orientation. The sum 19362fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * of the two is the rotation angle for back-facing camera. The 19372fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * difference of the two is the rotation angle for front-facing camera. 19382fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * Note that the JPEG pictures of front-facing cameras are not mirrored 19392fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * as in preview display. 19409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 194169ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>For example, suppose the natural orientation of the device is 19422fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * portrait. The device is rotated 270 degrees clockwise, so the device 19432fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 270. Suppose a back-facing camera sensor is mounted in 19442fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * landscape and the top side of the camera sensor is aligned with the 19452fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * right edge of the display in natural orientation. So the camera 19462fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * orientation is 90. The rotation should be set to 0 (270 + 90). 19472fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 194869ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <p>The reference code is as follows. 19492fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 195069ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * <pre> 19512fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * public void public void onOrientationChanged(int orientation) { 19522fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * if (orientation == ORIENTATION_UNKNOWN) return; 19532fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.CameraInfo info = 19542fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * new android.hardware.Camera.CameraInfo(); 19552fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * android.hardware.Camera.getCameraInfo(cameraId, info); 19562fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation = (orientation + 45) / 90 * 90; 19572fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * int rotation = 0; 19582fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * if (info.facing == CameraInfo.CAMERA_FACING_FRONT) { 19592fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation - orientation + 360) % 360; 19602fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } else { // back-facing camera 19612fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * rotation = (info.orientation + orientation) % 360; 19622fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * } 19632fe6fcaff4bdab45484055d6c18dd96d1b7b7be1Wu-cheng Li * mParameters.setRotation(rotation); 19642fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * } 196569ea4e15e52c456537575d21443ac1efdb03a902Brad Fitzpatrick * </pre> 19662fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 19672fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @param rotation The rotation angle in degrees relative to the 19682fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * orientation of the camera. Rotation can only be 0, 19692fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * 90, 180 or 270. 19709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @throws IllegalArgumentException if rotation value is invalid. 19719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @see android.view.OrientationEventListener 19722fb818ca7dd53d00646854a2473f1a69be43067cWu-cheng Li * @see #getCameraInfo(int, CameraInfo) 19739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setRotation(int rotation) { 19759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (rotation == 0 || rotation == 90 || rotation == 180 19769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li || rotation == 270) { 19779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ROTATION, Integer.toString(rotation)); 19789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } else { 19799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li throw new IllegalArgumentException( 19809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li "Invalid rotation=" + rotation); 19819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS latitude coordinate. This will be stored in JPEG EXIF 19869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 19879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param latitude GPS latitude coordinate. 19899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 19909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLatitude(double latitude) { 19919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LATITUDE, Double.toString(latitude)); 19929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 19939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 19949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 19959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS longitude coordinate. This will be stored in JPEG EXIF 19969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * header. 19979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 19989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param longitude GPS longitude coordinate. 19999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsLongitude(double longitude) { 20019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_LONGITUDE, Double.toString(longitude)); 20029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS altitude. This will be stored in JPEG EXIF header. 20069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param altitude GPS altitude in meters. 20089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsAltitude(double altitude) { 20109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_ALTITUDE, Double.toString(altitude)); 20119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets GPS timestamp. This will be stored in JPEG EXIF header. 20159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @param timestamp GPS timestamp (UTC in seconds since January 1, 20179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 1970). 20189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setGpsTimestamp(long timestamp) { 20209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_GPS_TIMESTAMP, Long.toString(timestamp)); 20219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2024e208377fbab6b90f41e68699700942a81f4caaebRay Chen * Sets GPS processing method. It will store up to 32 characters 2025055c986ab841f8f758398841730f1e90313b132aRay Chen * in JPEG EXIF header. 2026055c986ab841f8f758398841730f1e90313b132aRay Chen * 2027055c986ab841f8f758398841730f1e90313b132aRay Chen * @param processing_method The processing method to get this location. 2028055c986ab841f8f758398841730f1e90313b132aRay Chen */ 2029055c986ab841f8f758398841730f1e90313b132aRay Chen public void setGpsProcessingMethod(String processing_method) { 2030055c986ab841f8f758398841730f1e90313b132aRay Chen set(KEY_GPS_PROCESSING_METHOD, processing_method); 2031055c986ab841f8f758398841730f1e90313b132aRay Chen } 2032055c986ab841f8f758398841730f1e90313b132aRay Chen 2033055c986ab841f8f758398841730f1e90313b132aRay Chen /** 20349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Removes GPS latitude, longitude, altitude, and timestamp from the 20359b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * parameters. 20369b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void removeGpsData() { 20389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LATITUDE); 20399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_LONGITUDE); 20409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_ALTITUDE); 20419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li remove(KEY_GPS_TIMESTAMP); 2042055c986ab841f8f758398841730f1e90313b132aRay Chen remove(KEY_GPS_PROCESSING_METHOD); 20439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20459b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20469b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current white balance setting. 20479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20483f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current white balance. null if white balance setting is not 20493f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 20503f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_AUTO 20513f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_INCANDESCENT 20523f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_FLUORESCENT 20533f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_WARM_FLUORESCENT 20543f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_DAYLIGHT 20553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_CLOUDY_DAYLIGHT 20563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_TWILIGHT 20573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #WHITE_BALANCE_SHADE 20583f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * 20599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getWhiteBalance() { 20619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_WHITE_BALANCE); 20629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the white balance. 20669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20673f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new white balance. 20683f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 20699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setWhiteBalance(String value) { 20719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_WHITE_BALANCE, value); 20729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported white balance. 20769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported white balance. null if white balance 20783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 20793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getWhiteBalance() 20809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 20819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedWhiteBalance() { 20829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_WHITE_BALANCE + SUPPORTED_VALUES_SUFFIX); 20839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 20849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 20859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 20869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 20879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current color effect setting. 20889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 20893f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current color effect. null if color effect 20909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 20913f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NONE 20923f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_MONO 20933f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_NEGATIVE 20943f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SOLARIZE 20953f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_SEPIA 20963f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_POSTERIZE 20973f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_WHITEBOARD 20983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_BLACKBOARD 20993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #EFFECT_AQUA 21009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getColorEffect() { 21029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_EFFECT); 21039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the current color effect setting. 21079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value new color effect. 21093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 21109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setColorEffect(String value) { 21129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_EFFECT, value); 21139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported color effects. 21179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21183f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported color effects. null if color effect 21199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 21203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getColorEffect() 21219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedColorEffects() { 21239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_EFFECT + SUPPORTED_VALUES_SUFFIX); 21249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 21259b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21269b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current antibanding setting. 21309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21313f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current antibanding. null if antibanding setting is not 21323f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 21333f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_AUTO 21343f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_50HZ 21353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_60HZ 21363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #ANTIBANDING_OFF 21379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getAntibanding() { 21399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_ANTIBANDING); 21409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the antibanding. 21449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param antibanding new antibanding value. 21463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 21479b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setAntibanding(String antibanding) { 21499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_ANTIBANDING, antibanding); 21509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported antibanding values. 21549b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21553f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported antibanding values. null if antibanding 21563f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * setting is not supported. 21573f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getAntibanding() 21589b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21599b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedAntibanding() { 21609b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_ANTIBANDING + SUPPORTED_VALUES_SUFFIX); 21619b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 21629b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21639b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21649b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 21659b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current scene mode setting. 21669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * @return one of SCENE_MODE_XXX string constant. null if scene mode 21689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * setting is not supported. 21693f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_AUTO 21703f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_ACTION 21713f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PORTRAIT 21723f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_LANDSCAPE 21733f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT 21743f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_NIGHT_PORTRAIT 21753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_THEATRE 21763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_BEACH 21773f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SNOW 21783f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SUNSET 21793f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_STEADYPHOTO 21803f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_FIREWORKS 21813f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_SPORTS 21823f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_PARTY 21833f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #SCENE_MODE_CANDLELIGHT 21849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 21859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getSceneMode() { 21869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_SCENE_MODE); 21879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 21889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 21899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 2190c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * Sets the scene mode. Changing scene mode may override other 2191c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * parameters (such as flash mode, focus mode, white balance). For 2192c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * example, suppose originally flash mode is on and supported flash 2193c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * modes are on/off. In night scene mode, both flash mode and supported 2194c58b42327df5fbc826e2fcc2674ab6db0edfcd92Wu-cheng Li * flash mode may be changed to off. After setting scene mode, 21952988ab7c322aad7508df930204886f334216b65cWu-cheng Li * applications should call getParameters to know if some parameters are 21962988ab7c322aad7508df930204886f334216b65cWu-cheng Li * changed. 21979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 21983f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value scene mode. 21993f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 22009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setSceneMode(String value) { 22029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_SCENE_MODE, value); 22039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported scene modes. 22079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22083f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported scene modes. null if scene mode setting 22093f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 22103f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getSceneMode() 22119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedSceneModes() { 22139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_SCENE_MODE + SUPPORTED_VALUES_SUFFIX); 22149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 22159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the current flash mode setting. 22199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22203f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return current flash mode. null if flash mode setting is not 22213f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * supported. 22223f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_OFF 22233f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_AUTO 22243f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_ON 22253f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_RED_EYE 22263f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FLASH_MODE_TORCH 22279b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22289b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public String getFlashMode() { 22299b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return get(KEY_FLASH_MODE); 22309b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22319b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22329b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22339b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Sets the flash mode. 22349b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22353f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value flash mode. 22363f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 22379b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22389b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public void setFlashMode(String value) { 22399b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li set(KEY_FLASH_MODE, value); 22409b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22419b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 22429b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li /** 22439b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * Gets the supported flash modes. 22449b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li * 22453f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported flash modes. null if flash mode setting 22463f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * is not supported. 22473f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFlashMode() 22489b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li */ 22499b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li public List<String> getSupportedFlashModes() { 22509b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String str = get(KEY_FLASH_MODE + SUPPORTED_VALUES_SUFFIX); 22519b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return split(str); 22529b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 22539b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 225436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 225536322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the current focus mode setting. 225636322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 2257699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * @return current focus mode. This method will always return a non-null 2258699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * value. Applications should call {@link 2259699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * #autoFocus(AutoFocusCallback)} to start the focus if focus 2260699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * mode is FOCUS_MODE_AUTO or FOCUS_MODE_MACRO. 22613f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_AUTO 22623f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_INFINITY 22633f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_MACRO 22643f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #FOCUS_MODE_FIXED 2265f008f3ea82a0518375ee4ea41b32451badffbd95Wu-cheng Li * @see #FOCUS_MODE_EDOF 2266d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * @see #FOCUS_MODE_CONTINUOUS_VIDEO 226736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 226836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public String getFocusMode() { 226936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return get(KEY_FOCUS_MODE); 227036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 227136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 227236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 227336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Sets the focus mode. 227436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 22753f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @param value focus mode. 22763f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 227736322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 227836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public void setFocusMode(String value) { 227936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li set(KEY_FOCUS_MODE, value); 228036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 228136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 228236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li /** 228336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * Gets the supported focus modes. 228436322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li * 22853f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @return a list of supported focus modes. This method will always 22863f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * return a list with at least one element. 22873f4639a6611222ae1ae5493de49213250d292139Wu-cheng Li * @see #getFocusMode() 228836322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li */ 228936322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li public List<String> getSupportedFocusModes() { 229036322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li String str = get(KEY_FOCUS_MODE + SUPPORTED_VALUES_SUFFIX); 229136322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li return split(str); 229236322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li } 229336322db5752c7ec196f59ba94abe5d5a63cc19f5Wu-cheng Li 229436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 22956c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the focal length (in millimeter) of the camera. 22966c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 22976c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return the focal length. This method will always return a valid 22986c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * value. 22996c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 23006c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getFocalLength() { 23016c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_FOCAL_LENGTH)); 23026c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 23036c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 23046c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 23056c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the horizontal angle of view in degrees. 23066c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 23076c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return horizontal angle of view. This method will always return a 23086c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 23096c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 23106c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getHorizontalViewAngle() { 23116c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_HORIZONTAL_VIEW_ANGLE)); 23126c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 23136c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 23146c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 23156c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * Gets the vertical angle of view in degrees. 23166c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * 23176c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * @return vertical angle of view. This method will always return a 23186c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li * valid value. 23196c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li */ 23206c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li public float getVerticalViewAngle() { 23216c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li return Float.parseFloat(get(KEY_VERTICAL_VIEW_ANGLE)); 23226c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li } 23236c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li 23246c8d2760736a0753dad96b4bb8f98c7d075e6d54Wu-cheng Li /** 232524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the current exposure compensation index. 2326ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 232724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return current exposure compensation index. The range is {@link 232824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMinExposureCompensation} to {@link 232924b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation}. 0 means exposure is not 233024b326a8978bf78e3e560723dde221792784325bWu-cheng Li * adjusted. 2331ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2332ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public int getExposureCompensation() { 233324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_EXPOSURE_COMPENSATION, 0); 2334ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2335ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2336ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 233724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Sets the exposure compensation index. 2338ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 23390402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * @param value exposure compensation index. The valid value range is 23400402e7da70715c96af90aa95c16d1bedc5199645Wu-cheng Li * from {@link #getMinExposureCompensation} (inclusive) to {@link 234124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * #getMaxExposureCompensation} (inclusive). 0 means exposure is 234224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * not adjusted. Application should call 234324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * getMinExposureCompensation and getMaxExposureCompensation to 234424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * know if exposure compensation is supported. 2345ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 2346ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li public void setExposureCompensation(int value) { 2347ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li set(KEY_EXPOSURE_COMPENSATION, value); 2348ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2349ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2350ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 235124b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the maximum exposure compensation index. 2352ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li * 235324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return maximum exposure compensation index (>=0). If both this 235424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMinExposureCompensation} return 0, 235524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 235624b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 235724b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMaxExposureCompensation() { 235824b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MAX_EXPOSURE_COMPENSATION, 0); 235924b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 236024b326a8978bf78e3e560723dde221792784325bWu-cheng Li 236124b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 236224b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the minimum exposure compensation index. 236324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 236424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return minimum exposure compensation index (<=0). If both this 236524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * method and {@link #getMaxExposureCompensation} return 0, 236624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation is not supported. 2367ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li */ 236824b326a8978bf78e3e560723dde221792784325bWu-cheng Li public int getMinExposureCompensation() { 236924b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getInt(KEY_MIN_EXPOSURE_COMPENSATION, 0); 237024b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 237124b326a8978bf78e3e560723dde221792784325bWu-cheng Li 237224b326a8978bf78e3e560723dde221792784325bWu-cheng Li /** 237324b326a8978bf78e3e560723dde221792784325bWu-cheng Li * Gets the exposure compensation step. 237424b326a8978bf78e3e560723dde221792784325bWu-cheng Li * 237524b326a8978bf78e3e560723dde221792784325bWu-cheng Li * @return exposure compensation step. Applications can get EV by 237624b326a8978bf78e3e560723dde221792784325bWu-cheng Li * multiplying the exposure compensation index and step. Ex: if 237724b326a8978bf78e3e560723dde221792784325bWu-cheng Li * exposure compensation index is -6 and step is 0.333333333, EV 237824b326a8978bf78e3e560723dde221792784325bWu-cheng Li * is -2. 237924b326a8978bf78e3e560723dde221792784325bWu-cheng Li */ 238024b326a8978bf78e3e560723dde221792784325bWu-cheng Li public float getExposureCompensationStep() { 238124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return getFloat(KEY_EXPOSURE_COMPENSATION_STEP, 0); 2382ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li } 2383ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li 2384ff723b6c43d5a8fd0ae0e0732f5d47012d74e01dWu-cheng Li /** 238536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets current zoom value. This also works when smooth zoom is in 23868cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * progress. Applications should check {@link #isZoomSupported} before 23878cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * using this method. 238836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 238936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the current zoom value. The range is 0 to {@link 23908cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom}. 0 means the camera is not zoomed. 239136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 239236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getZoom() { 23938cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_ZOOM, 0); 239436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 239536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 239636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 23978cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Sets current zoom value. If the camera is zoomed (value > 0), the 23988cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * actual picture size may be smaller than picture size setting. 23998cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications can check the actual picture size after picture is 24008cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned from {@link PictureCallback}. The preview size remains the 24018cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * same in zoom. Applications should check {@link #isZoomSupported} 24028cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * before using this method. 240336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 240436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @param value zoom value. The valid range is 0 to {@link #getMaxZoom}. 240536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 240636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public void setZoom(int value) { 24078cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li set(KEY_ZOOM, value); 240836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 240936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 241036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 241136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if zoom is supported. Applications should call this 241236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * before using other zoom methods. 241336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 241436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if zoom is supported. 241536f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 241636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isZoomSupported() { 24178cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_ZOOM_SUPPORTED); 24188cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 241936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 242036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 242136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 242236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Gets the maximum zoom value allowed for snapshot. This is the maximum 242336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * value that applications can set to {@link #setZoom(int)}. 24248cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Applications should call {@link #isZoomSupported} before using this 24258cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * method. This value may change in different preview size. Applications 24268cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * should call this again after setting preview size. 242736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 242836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return the maximum zoom value supported by the camera. 242936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 243036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public int getMaxZoom() { 24318cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return getInt(KEY_MAX_ZOOM, 0); 243236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 243336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 243436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 24358cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * Gets the zoom ratios of all zoom values. Applications should check 24368cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * {@link #isZoomSupported} before using this method. 243736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 24388cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * @return the zoom ratios in 1/100 increments. Ex: a zoom of 3.2x is 24398cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * returned as 320. The number of elements is {@link 24408cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * #getMaxZoom} + 1. The list is sorted from small to large. The 24418cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * first element is always 100. The last element is the zoom 24428cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li * ratio of the maximum zoom value. 244336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 24448cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li public List<Integer> getZoomRatios() { 24458cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return splitInt(get(KEY_ZOOM_RATIOS)); 244636f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 244736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 244836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li /** 244936f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * Returns true if smooth zoom is supported. Applications should call 245036f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * this before using other smooth zoom methods. 245136f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * 245236f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li * @return true if smooth zoom is supported. 245336f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li */ 245436f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li public boolean isSmoothZoomSupported() { 24558cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li String str = get(KEY_SMOOTH_ZOOM_SUPPORTED); 24568cbb8f5e1f939b03515cb4d5942c3fcb226efb9eWu-cheng Li return TRUE.equals(str); 245736f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li } 245836f68b8f24df906c969581b0b8e1a47f95dc03cbWu-cheng Li 2459e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li /** 2460e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Gets the distances from the camera to where an object appears to be 2461e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * in focus. The object is sharpest at the optimal focus distance. The 2462e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * depth of field is the far focus distance minus near focus distance. 2463e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2464e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Focus distances may change after calling {@link 2465e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #autoFocus(AutoFocusCallback)}, {@link #cancelAutoFocus}, or {@link 2466e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * #startPreview()}. Applications can call {@link #getParameters()} 2467e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * and this method anytime to get the latest focus distances. If the 2468d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * focus mode is FOCUS_MODE_CONTINUOUS_VIDEO, focus distances may change 2469d45cb72ac0d7d57829ffc9223decb89a5fc42ce2Wu-cheng Li * from time to time. 2470699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * 2471699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * This method is intended to estimate the distance between the camera 2472699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * and the subject. After autofocus, the subject distance may be within 2473699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * near and far focus distance. However, the precision depends on the 2474699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * camera hardware, autofocus algorithm, the focus area, and the scene. 2475699fe9397974685e6b2c73f9a3a0eb9e5a5a2ccfWu-cheng Li * The error can be large and it should be only used as a reference. 2476e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2477185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * Far focus distance >= optimal focus distance >= near focus distance. 2478185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * If the focus distance is infinity, the value will be 2479e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * Float.POSITIVE_INFINITY. 2480e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * 2481e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * @param output focus distances in meters. output must be a float 2482e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * array with three elements. Near focus distance, optimal focus 2483e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li * distance, and far focus distance will be filled in the array. 2484185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_NEAR_INDEX 2485185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_OPTIMAL_INDEX 2486185cc455a87c636d48ad9a16c13d2ebad7433735Wu-cheng Li * @see #FOCUS_DISTANCE_FAR_INDEX 2487e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li */ 2488e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li public void getFocusDistances(float[] output) { 2489e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li if (output == null || output.length != 3) { 2490e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li throw new IllegalArgumentException( 2491e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li "output must be an float array with three elements."); 2492e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2493454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitFloat(get(KEY_FOCUS_DISTANCES), output); 2494e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2495e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 24969b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of String. 24979b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 24989b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<String> split(String str) { 24999b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25009b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25019b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Use StringTokenizer because it is faster than split. 25029b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 25039b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<String> substrings = new ArrayList<String>(); 25049b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 25059b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(tokenizer.nextToken()); 25069b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25079b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 25089b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25099b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25109b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Integer. 25119b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 25129b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Integer> splitInt(String str) { 25139b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25149b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25159b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 25169b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Integer> substrings = new ArrayList<Integer>(); 25179b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 25189b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String token = tokenizer.nextToken(); 25199b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li substrings.add(Integer.parseInt(token)); 25209b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25219b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (substrings.size() == 0) return null; 25229b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return substrings; 25239b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25249b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 2525454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitInt(String str, int[] output) { 2526454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2527454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2528454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2529454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2530454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li while (tokenizer.hasMoreElements()) { 2531454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li String token = tokenizer.nextToken(); 2532454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Integer.parseInt(token); 2533454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2534454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2535454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2536e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li // Splits a comma delimited string to an ArrayList of Float. 2537454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private void splitFloat(String str, float[] output) { 2538454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null) return; 2539e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 2540e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 2541454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int index = 0; 2542e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li while (tokenizer.hasMoreElements()) { 2543e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li String token = tokenizer.nextToken(); 2544454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li output[index++] = Float.parseFloat(token); 2545e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2546e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li } 2547e339c5edbebedf446581f18ad70214007309bf4bWu-cheng Li 254824b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a float parameter. 254924b326a8978bf78e3e560723dde221792784325bWu-cheng Li private float getFloat(String key, float defaultValue) { 255024b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 255124b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Float.parseFloat(mMap.get(key)); 255224b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 255324b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 255424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 255524b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 255624b326a8978bf78e3e560723dde221792784325bWu-cheng Li 255724b326a8978bf78e3e560723dde221792784325bWu-cheng Li // Returns the value of a integer parameter. 255824b326a8978bf78e3e560723dde221792784325bWu-cheng Li private int getInt(String key, int defaultValue) { 255924b326a8978bf78e3e560723dde221792784325bWu-cheng Li try { 256024b326a8978bf78e3e560723dde221792784325bWu-cheng Li return Integer.parseInt(mMap.get(key)); 256124b326a8978bf78e3e560723dde221792784325bWu-cheng Li } catch (NumberFormatException ex) { 256224b326a8978bf78e3e560723dde221792784325bWu-cheng Li return defaultValue; 256324b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 256424b326a8978bf78e3e560723dde221792784325bWu-cheng Li } 256524b326a8978bf78e3e560723dde221792784325bWu-cheng Li 25669b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Splits a comma delimited string to an ArrayList of Size. 25679b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null or the size is 0. 25689b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private ArrayList<Size> splitSize(String str) { 25699b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25709b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25719b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li StringTokenizer tokenizer = new StringTokenizer(str, ","); 25729b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li ArrayList<Size> sizeList = new ArrayList<Size>(); 25739b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li while (tokenizer.hasMoreElements()) { 25749b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Size size = strToSize(tokenizer.nextToken()); 25759b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (size != null) sizeList.add(size); 25769b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25779b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (sizeList.size() == 0) return null; 25789b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return sizeList; 25799b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25809b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25819b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Parses a string (ex: "480x320") to Size object. 25829b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li // Return null if the passing string is null. 25839b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li private Size strToSize(String str) { 25849b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (str == null) return null; 25859b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li 25869b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li int pos = str.indexOf('x'); 25879b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li if (pos != -1) { 25889b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String width = str.substring(0, pos); 25899b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li String height = str.substring(pos + 1); 25909b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return new Size(Integer.parseInt(width), 25919b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Integer.parseInt(height)); 25929b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 25939b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li Log.e(TAG, "Invalid size parameter string=" + str); 25949b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li return null; 25959b6a8ab8221f2df20c32711b0f1e4f301165fac2Wu-cheng Li } 2596454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2597454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Splits a comma delimited string to an ArrayList of int array. 2598454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // Example string: "(10000,26623),(10000,30000)". Return null if the 2599454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li // passing string is null or the size is 0. 2600454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li private ArrayList<int[]> splitRange(String str) { 2601454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (str == null || str.charAt(0) != '(' 2602454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li || str.charAt(str.length() - 1) != ')') { 2603454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li Log.e(TAG, "Invalid range list string=" + str); 2604454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return null; 2605454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 2606454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2607454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li ArrayList<int[]> rangeList = new ArrayList<int[]>(); 2608454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int endIndex, fromIndex = 1; 2609454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li do { 2610454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li int[] range = new int[2]; 2611454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li endIndex = str.indexOf("),(", fromIndex); 2612454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (endIndex == -1) endIndex = str.length() - 1; 2613454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li splitInt(str.substring(fromIndex, endIndex), range); 2614454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li rangeList.add(range); 2615454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li fromIndex = endIndex + 3; 2616454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } while (endIndex != str.length() - 1); 2617454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li 2618454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li if (rangeList.size() == 0) return null; 2619454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li return rangeList; 2620454630f23784afcf3dd6fc58becbb9fb6aa878a9Wu-cheng Li } 26219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 26229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2623