MediaRecorder.java revision c20533c1a7772f61d904fad31e3998c055c03da5
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 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.media; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvalaimport android.app.ActivityThread; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.hardware.Camera; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Surface; 2642419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileDescriptor; 2842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Liimport java.io.IOException; 290d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shihimport java.io.RandomAccessFile; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to record audio and video. The recording control is based on a 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * simple state machine (see below). 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p><img src="{@docRoot}images/mediarecorder_state_diagram.gif" border="0" /> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>A common case of using MediaRecorder to record audio works as follows: 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre>MediaRecorder recorder = new MediaRecorder(); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioSource(MediaRecorder.AudioSource.MIC); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFile(PATH_NAME); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.prepare(); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.start(); // Recording is now started 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.stop(); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.reset(); // You can reuse the object by going back to setAudioSource() step 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.release(); // Now the object cannot be reused 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 549ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * <p>Applications may want to register for informational and error 559ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * events in order to be informed of some internal update and possible 569ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * runtime errors during recording. Registration for such events is 579ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * done by setting the appropriate listeners (via calls 589ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * (to {@link #setOnInfoListener(OnInfoListener)}setOnInfoListener and/or 599ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * {@link #setOnErrorListener(OnErrorListener)}setOnErrorListener). 609ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * In order to receive the respective callback associated with these listeners, 619ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * applications are required to create MediaRecorder objects on threads with a 629ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * Looper running (the main UI thread by default already has a Looper running). 639ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * 6461fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <p><strong>Note:</strong> Currently, MediaRecorder does not work on the emulator. 6561fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * 6661fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <div class="special reference"> 6761fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <h3>Developer Guides</h3> 6861fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <p>For more information about how to use MediaRecorder for recording video, read the 6961fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <a href="{@docRoot}guide/topics/media/camera.html#capture-video">Camera</a> developer guide. 7061fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * For more information about how to use MediaRecorder for recording sound, read the 7161fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <a href="{@docRoot}guide/topics/media/audio-capture.html">Audio Capture</a> developer guide.</p> 7261fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * </div> 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class MediaRecorder 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.loadLibrary("media_jni"); 784935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen native_init(); 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static String TAG = "MediaRecorder"; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The two fields below are accessed by native methods 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 84075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mNativeContext; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Surface mSurface; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mPath; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FileDescriptor mFd; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnErrorListener mOnErrorListener; 93ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project private OnInfoListener mOnInfoListener; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Default constructor. 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MediaRecorder() { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 109788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala String packageName = ActivityThread.currentPackageName(); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Native setup requires a weak reference to our object. 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It's easier to create it here than in C++. 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 113788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala native_setup(new WeakReference<MediaRecorder>(this), packageName); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 117b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * Sets a {@link android.hardware.Camera} to use for recording. 118b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 119b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * <p>Use this function to switch quickly between preview and capture mode without a teardown of 120b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * the camera object. {@link android.hardware.Camera#unlock()} should be called before 121b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * this. Must call before {@link #prepare}.</p> 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the Camera to use for recording 124b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * @deprecated Use {@link #getSurface} and the {@link android.hardware.camera2} API instead. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 126b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala @Deprecated 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setCamera(Camera c); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * Gets the surface to record from when using SURFACE video source. 131b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 132b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * <p> May only be called after {@link #prepare}. Frames rendered to the Surface before 133b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link #start} will be discarded.</p> 134b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 135b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * @throws IllegalStateException if it is called before {@link #prepare}, after 136b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link #stop}, or is called when VideoSource is not set to SURFACE. 13783cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * @see android.media.MediaRecorder.VideoSource 13883cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 13983cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang public native Surface getSurface(); 14083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang 14183cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Surface to show a preview of recorded media (video). Calls this 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before prepare() to make sure that the desirable preview display is 144c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * set. If {@link #setCamera(Camera)} is used and the surface has been 145c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * already set to the camera, application do not need to call this. If 146c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * this is called with non-null surface, the preview surface of the camera 147c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * will be replaced by the new surface. If this method is called with null 148c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * surface or not called at all, media recorder will not change the preview 149c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * surface of the camera. 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sv the Surface to use for the preview 152c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * @see android.hardware.Camera#setPreviewDisplay(android.view.SurfaceHolder) 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewDisplay(Surface sv) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurface = sv; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio source. These constants are used with 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioSource(int)}. 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioSource { 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1640f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten * in system/core/include/system/audio.h! 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioSource() {} 1670f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten 1680f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten /** Default audio source **/ 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1700f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Microphone audio source */ 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MIC = 1; 1734bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1744bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink (Tx) audio source */ 1754bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_UPLINK = 2; 1764bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1774bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call downlink (Rx) audio source */ 1784bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_DOWNLINK = 3; 1794bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1804bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink + downlink audio source */ 1814bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_CALL = 4; 1826869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 183941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source with same orientation as camera if available, the main 184941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * device microphone otherwise */ 1856869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int CAMCORDER = 5; 1866869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 187941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source tuned for voice recognition if available, behaves like 188941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * {@link #DEFAULT} otherwise. */ 1896869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int VOICE_RECOGNITION = 6; 190820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi 191ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi /** Microphone audio source tuned for voice communications such as VoIP. It 192ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * will for instance take advantage of echo cancellation or automatic gain control 193ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * if available. It otherwise behaves like {@link #DEFAULT} if no voice processing 194ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * is applied. 195820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi */ 196820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi public static final int VOICE_COMMUNICATION = 7; 19764dfb604e70b70b7c346768114e05ddfadc09addJeff Brown 19864dfb604e70b70b7c346768114e05ddfadc09addJeff Brown /** 19964dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Audio source for a submix of audio streams to be presented remotely. 20064dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * <p> 20164dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * An application can use this audio source to capture a mix of audio streams 20264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * that should be transmitted to a remote receiver such as a Wifi display. 20364dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * While recording is active, these audio streams are redirected to the remote 20464dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * submix instead of being played on the device speaker or headset. 20564dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p><p> 20664dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Certain streams are excluded from the remote submix, including 20764dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_ALARM}, 20864dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * and {@link AudioManager#STREAM_NOTIFICATION}. These streams will continue 20964dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * to be presented locally as usual. 21064dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p><p> 21164dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Capturing the remote submix audio requires the 21264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT} permission. 21364dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * This permission is reserved for use by system components and is not available to 21464dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * third-party applications. 21564dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p> 21664dfb604e70b70b7c346768114e05ddfadc09addJeff Brown */ 21764dfb604e70b70b7c346768114e05ddfadc09addJeff Brown public static final int REMOTE_SUBMIX = 8; 218357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent 219357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent /** 220357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * Audio source for preemptible, low-priority software hotword detection 221357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * It presents the same gain and pre processing tuning as {@link #VOICE_RECOGNITION}. 222357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * <p> 223357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * An application should use this audio source when it wishes to do 224357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * always-on software hotword detection, while gracefully giving in to any other application 225357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * that might want to read from the microphone. 226357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * </p> 227357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * This is a hidden audio source. 228357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * @hide 229357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent */ 230357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent protected static final int HOTWORD = 1999; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video source. These constants are used with 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoSource(int)}. 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoSource { 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoSource() {} 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 24383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** Camera video source 24483cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * <p> 245b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * Using the {@link android.hardware.Camera} API as video source. 24683cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p> 24783cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA = 1; 24983cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** Surface video source 25083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * <p> 25183cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * Using a Surface as video source. 25283cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p><p> 25383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * This flag must be used when recording from an 254b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link android.hardware.camera2} API source. 25583cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p><p> 25683cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * When using this video source type, use {@link MediaRecorder#getSurface()} 25783cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * to retrieve the surface created by MediaRecorder. 25883cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 25983cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang public static final int SURFACE = 2; 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the output format. These constants are used with 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setOutputFormat(int)}. 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class OutputFormat { 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OutputFormat() {} 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3GPP media file format*/ 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int THREE_GPP = 1; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** MPEG4 media file format*/ 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4 = 2; 2762bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 277874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** The following formats are audio only .aac or .amr formats */ 278874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 279874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** 280874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong * AMR NB file format 281874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong * @deprecated Deprecated in favor of MediaRecorder.OutputFormat.AMR_NB 282874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong */ 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int RAW_AMR = 3; 284874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 2852116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR NB file format */ 2862bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_NB = 3; 287874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 2882116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR WB file format */ 2892bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 4; 290874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 2912bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AAC ADIF file format */ 2922bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADIF = 5; 293874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 294874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** AAC ADTS file format */ 2952bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADTS = 6; 29657648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber 29757648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber /** @hide Stream over a socket, limited to a single stream */ 29857648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber public static final int OUTPUT_FORMAT_RTP_AVP = 7; 2999adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber 3009adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber /** @hide H.264/AAC data encapsulated in MPEG2/TS */ 3019adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber public static final int OUTPUT_FORMAT_MPEG2TS = 8; 302c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih 303c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih /** VP8/VORBIS data in a WEBM container */ 304c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int WEBM = 9; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio encoding. These constants are used with 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioEncoder(int)}. 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioEncoder { 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioEncoder() {} 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** AMR (Narrowband) audio codec */ 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int AMR_NB = 1; 3192116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR (Wideband) audio codec */ 3202bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 2; 321ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** AAC Low Complexity (AAC-LC) audio codec */ 3222bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC = 3; 323ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** High Efficiency AAC (HE-AAC) audio codec */ 324ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke public static final int HE_AAC = 4; 325ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** Enhanced Low Delay AAC (AAC-ELD) audio codec */ 326ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke public static final int AAC_ELD = 5; 327c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih /** Ogg Vorbis audio codec */ 328c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int VORBIS = 6; 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video encoding. These constants are used with 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoEncoder(int)}. 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoEncoder { 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoEncoder() {} 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H263 = 1; 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H264 = 2; 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4_SP = 3; 344c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int VP8 = 4; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio source to be used for recording. If this method is not 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. The source needs 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_source the audio source to use 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioSource 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioSource(int audio_source) 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3614bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * Gets the maximum value for audio sources. 3624bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * @see android.media.MediaRecorder.AudioSource 3634bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent */ 3642ac2afeac989ea1dc326b0db996d6c6c8e00cc29Jean-Michel Trivi public static final int getAudioSourceMax() { 36564dfb604e70b70b7c346768114e05ddfadc09addJeff Brown return AudioSource.REMOTE_SUBMIX; 3662ac2afeac989ea1dc326b0db996d6c6c8e00cc29Jean-Michel Trivi } 3674bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 3684bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video source to be used for recording. If this method is not 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. The source needs 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_source the video source to use 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoSource 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSource(int video_source) 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 382e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * Uses the settings from a CamcorderProfile object for recording. This method should 383e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * be called after the video AND audio sources are set, and before setOutputFile(). 384a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * If a time lapse CamcorderProfile is used, audio related source or recording 385a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * parameters are ignored. 386e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * 387e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @param profile the CamcorderProfile to use 388e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @see android.media.CamcorderProfile 389e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong */ 390e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong public void setProfile(CamcorderProfile profile) { 391e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setOutputFormat(profile.fileFormat); 392e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoFrameRate(profile.videoFrameRate); 393e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight); 394e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncodingBitRate(profile.videoBitRate); 395e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncoder(profile.videoCodec); 3964f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra if (profile.quality >= CamcorderProfile.QUALITY_TIME_LAPSE_LOW && 39733fe290ca33235d7e0988cace14de3319a9a83f1James Dong profile.quality <= CamcorderProfile.QUALITY_TIME_LAPSE_QVGA) { 398a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // Nothing needs to be done. Call to setCaptureRate() enables 399a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // time lapse video recording. 4004f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra } else { 4014f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioEncodingBitRate(profile.audioBitRate); 4024f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioChannels(profile.audioChannels); 4034f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioSamplingRate(profile.audioSampleRate); 4044f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioEncoder(profile.audioCodec); 4054f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra } 406e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong } 407e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong 408e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong /** 4094f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * Set video frame capture rate. This can be used to set a different video frame capture 410a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * rate than the recorded video's playback rate. This method also sets the recording mode 411a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * to time lapse. In time lapse video recording, only video is recorded. Audio related 412a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * parameters are ignored when a time lapse recording session starts, if an application 413a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * sets them. 414ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra * 4154f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * @param fps Rate at which frames should be captured in frames per second. 4164f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * The fps can go as low as desired. However the fastest fps will be limited by the hardware. 4174f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * For resolutions that can be captured by the video camera, the fastest fps can be computed using 4184f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * {@link android.hardware.Camera.Parameters#getPreviewFpsRange(int[])}. For higher 4194f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * resolutions the fastest fps may be more restrictive. 4204f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * Note that the recorder cannot guarantee that frames will be captured at the 4214f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * given rate due to camera/encoder limitations. However it tries to be as close as 4224f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * possible. 423ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra */ 4244f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra public void setCaptureRate(double fps) { 425a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // Make sure that time lapse is enabled when this method is called. 4261c7928e8c68654d087f83c7cefc59095950b8befJohan Redestig setParameter("time-lapse-enable=1"); 427a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong 4284f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra double timeBetweenFrameCapture = 1 / fps; 429daa98ca8d7c85b77ad794cc8d9f17e262ac41d96Chong Zhang long timeBetweenFrameCaptureUs = (long) (1000000 * timeBetweenFrameCapture); 430daa98ca8d7c85b77ad794cc8d9f17e262ac41d96Chong Zhang setParameter("time-between-time-lapse-frame-capture=" + timeBetweenFrameCaptureUs); 431ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra } 432ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra 433ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra /** 434ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * Sets the orientation hint for output video playback. 4355aa95dd36cd0708d25accd8d745ae8ebc255758fJames Dong * This method should be called before prepare(). This method will not 436ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * trigger the source video frame to rotate during video recording, but to 437ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * add a composition matrix containing the rotation angle in the output 438ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * video if the output format is OutputFormat.THREE_GPP or 439ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * OutputFormat.MPEG_4 so that a video player can choose the proper 440ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * orientation for playback. Note that some video players may choose 441ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * to ignore the compostion matrix in a video during playback. 442ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 443ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @param degrees the angle to be rotated clockwise in degrees. 444ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * The supported angles are 0, 90, 180, and 270 degrees. 445ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @throws IllegalArgumentException if the angle is not supported. 446ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 447ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong */ 448ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong public void setOrientationHint(int degrees) { 449ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong if (degrees != 0 && 450ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 90 && 451ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 180 && 452ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 270) { 453ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong throw new IllegalArgumentException("Unsupported angle: " + degrees); 454ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 4552450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-rotation-angle-degrees=" + degrees); 456ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 457ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong 458ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong /** 459af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong * Set and store the geodata (latitude and longitude) in the output file. 460987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * This method should be called before prepare(). The geodata is 461987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * stored in udta box if the output format is OutputFormat.THREE_GPP 462987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * or OutputFormat.MPEG_4, and is ignored for other output formats. 463987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * The geodata is stored according to ISO-6709 standard. 464987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 465987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @param latitude latitude in degrees. Its value must be in the 466987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * range [-90, 90]. 467987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @param longitude longitude in degrees. Its value must be in the 468987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * range [-180, 180]. 469987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 470987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @throws IllegalArgumentException if the given latitude or 471987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * longitude is out of range. 472987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 473987ab4833ecbafbdf750eb1b04e43693433c4783James Dong */ 474af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong public void setLocation(float latitude, float longitude) { 475987ab4833ecbafbdf750eb1b04e43693433c4783James Dong int latitudex10000 = (int) (latitude * 10000 + 0.5); 476987ab4833ecbafbdf750eb1b04e43693433c4783James Dong int longitudex10000 = (int) (longitude * 10000 + 0.5); 477987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 478987ab4833ecbafbdf750eb1b04e43693433c4783James Dong if (latitudex10000 > 900000 || latitudex10000 < -900000) { 479af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong String msg = "Latitude: " + latitude + " out of range."; 480987ab4833ecbafbdf750eb1b04e43693433c4783James Dong throw new IllegalArgumentException(msg); 481987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 482987ab4833ecbafbdf750eb1b04e43693433c4783James Dong if (longitudex10000 > 1800000 || longitudex10000 < -1800000) { 483af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong String msg = "Longitude: " + longitude + " out of range"; 484987ab4833ecbafbdf750eb1b04e43693433c4783James Dong throw new IllegalArgumentException(msg); 485987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 486987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 487987ab4833ecbafbdf750eb1b04e43693433c4783James Dong setParameter("param-geotag-latitude=" + latitudex10000); 488987ab4833ecbafbdf750eb1b04e43693433c4783James Dong setParameter("param-geotag-longitude=" + longitudex10000); 489987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 490987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 491987ab4833ecbafbdf750eb1b04e43693433c4783James Dong /** 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the format of the output file produced during recording. Call this 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setAudioSource()/setVideoSource() but before prepare(). 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4952170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * <p>It is recommended to always use 3GP format when using the H.263 4962170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * video encoder and AMR audio encoder. Using an MPEG-4 container format 4972170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * may confuse some desktop players.</p> 4982170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output_format the output format to use. The output format 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be specified before setting recording-parameters or encoders. 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after prepare() or before 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setAudioSource()/setVideoSource(). 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OutputFormat 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setOutputFormat(int output_format) 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the width and height of the video to be captured. Must be called 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the video to be captured 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the video to be captured 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat() 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSize(int width, int height) 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the frame rate of the video to be captured. Must be called 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rate the number of frames per second of video to capture 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat(). 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: On some devices that have auto-frame rate, this sets the 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * maximum frame rate, not a constant frame rate. Actual frame rate 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will vary according to lighting conditions. 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoFrameRate(int rate) throws IllegalStateException; 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 537ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Sets the maximum duration (in ms) of the recording session. 538ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Call this after setOutFormat() but before prepare(). 539105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified duration, a notification 540105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 541105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 542105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 543105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 544105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 545ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 546ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param max_duration_ms the maximum duration in ms (if zero or negative, disables the duration limit) 547ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 548ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 549ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public native void setMaxDuration(int max_duration_ms) throws IllegalArgumentException; 550ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 551ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 552105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Sets the maximum filesize (in bytes) of the recording session. 553105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Call this after setOutFormat() but before prepare(). 554105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified filesize, a notification 555105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 556105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 557105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 558105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 559105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 560105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 561105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @param max_filesize_bytes the maximum filesize in bytes (if zero or negative, disables the limit) 562105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 563105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 564105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public native void setMaxFileSize(long max_filesize_bytes) throws IllegalArgumentException; 565105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 566105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio encoder to be used for recording. If this method is not 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. Call this after 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_encoder the audio encoder to use. 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare(). 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioEncoder 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioEncoder(int audio_encoder) 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video encoder to be used for recording. If this method is not 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. Call this after 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() and before prepare(). 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_encoder the video encoder to use. 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoEncoder 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoEncoder(int video_encoder) 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5930fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio sampling rate for recording. Call this method before prepare(). 5940fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether 5950fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the specified audio sampling rate is applicable. The sampling rate really depends 5960fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * on the format for the audio recording, as well as the capabilities of the platform. 5970fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * For instance, the sampling rate supported by AAC audio coding standard ranges 59854815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * from 8 to 96 kHz, the sampling rate supported by AMRNB is 8kHz, and the sampling 59954815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * rate supported by AMRWB is 16kHz. Please consult with the related audio coding 60054815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * standard for the supported audio sampling rate. 6010fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6020fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param samplingRate the sampling rate for audio in samples per second. 6030fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6040fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioSamplingRate(int samplingRate) { 6050fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (samplingRate <= 0) { 6060fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio sampling rate is not positive"); 6070fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6082450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-sampling-rate=" + samplingRate); 6090fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6100fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6110fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6120fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the number of audio channels for recording. Call this method before prepare(). 6130fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6140fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified number of audio channels are applicable. 6152bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 6160fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param numChannels the number of audio channels. Usually it is either 1 (mono) or 2 6170fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * (stereo). 6182bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang */ 6190fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioChannels(int numChannels) { 6200fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (numChannels <= 0) { 6210fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Number of channels is not positive"); 6220fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6232450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-number-of-channels=" + numChannels); 6240fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6250fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6260fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6270fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio encoding bit rate for recording. Call this method before prepare(). 6280fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6290fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be clipped 6300fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * internally to ensure the audio recording can proceed smoothly based on the 6310fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * capabilities of the platform. 6320fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6330fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the audio encoding bit rate in bits per second. 6340fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6350fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioEncodingBitRate(int bitRate) { 6360fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 6370fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio encoding bit rate is not positive"); 6380fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6392450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-encoding-bitrate=" + bitRate); 6400fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6410fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6420fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6430fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the video encoding bit rate for recording. Call this method before prepare(). 6440fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6450fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be 6460fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * clipped internally to ensure the video recording can proceed smoothly based on 6470fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the capabilities of the platform. 6480fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6490fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the video encoding bit rate in bits per second. 6500fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6510fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setVideoEncodingBitRate(int bitRate) { 6520fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 6530fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Video encoding bit rate is not positive"); 6540fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6552450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-encoding-bitrate=" + bitRate); 6560fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6572bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 6582bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** 6593ff98beeafd271a65c1f824699431366882b04f6James Dong * Currently not implemented. It does nothing. 6603ff98beeafd271a65c1f824699431366882b04f6James Dong * @deprecated Time lapse mode video recording using camera still image capture 6613ff98beeafd271a65c1f824699431366882b04f6James Dong * is not desirable, and will not be supported. 662029d7e15f38cdd3c1941a16186c5941edc85bc3dJames Dong * @hide 663b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra */ 6641fec21be65ddda46fe39c40e00d2fb94a8ce59f1Nipun Kwatra public void setAuxiliaryOutputFile(FileDescriptor fd) 665b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra { 6663ff98beeafd271a65c1f824699431366882b04f6James Dong Log.w(TAG, "setAuxiliaryOutputFile(FileDescriptor) is no longer supported."); 667b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra } 668b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 669b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra /** 6703ff98beeafd271a65c1f824699431366882b04f6James Dong * Currently not implemented. It does nothing. 6713ff98beeafd271a65c1f824699431366882b04f6James Dong * @deprecated Time lapse mode video recording using camera still image capture 6723ff98beeafd271a65c1f824699431366882b04f6James Dong * is not desirable, and will not be supported. 673029d7e15f38cdd3c1941a16186c5941edc85bc3dJames Dong * @hide 674b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra */ 6751fec21be65ddda46fe39c40e00d2fb94a8ce59f1Nipun Kwatra public void setAuxiliaryOutputFile(String path) 676b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra { 6773ff98beeafd271a65c1f824699431366882b04f6James Dong Log.w(TAG, "setAuxiliaryOutputFile(String) is no longer supported."); 678b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra } 679b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 680b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra /** 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in the file descriptor of the file to be written. Call this after 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fd an open file descriptor to be written into. 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(FileDescriptor fd) throws IllegalStateException 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = null; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = fd; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the path of the output file to be produced. Call this after 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The pathname to use. 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(String path) throws IllegalStateException 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = null; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native implementation 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _setOutputFile(FileDescriptor fd, long offset, long length) 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException, IOException; 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _prepare() throws IllegalStateException, IOException; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prepares the recorder to begin capturing and encoding data. This method 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called after setting up the desired audio and video sources, 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * encoders, file format, etc., but before start(). 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start() or before setOutputFormat(). 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IOException if prepare fails otherwise. 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void prepare() throws IllegalStateException, IOException 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPath != null) { 7250d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih RandomAccessFile file = new RandomAccessFile(mPath, "rws"); 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 7270d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih _setOutputFile(file.getFD(), 0, 0); 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 7290d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih file.close(); 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFd != null) { 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _setOutputFile(mFd, 0, 0); 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IOException("No valid output file"); 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 736b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _prepare(); 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Begins capturing and encoding data to the file specified with 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFile(). Call this after prepare(). 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 74442419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, if applications set a camera via 74542419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link #setCamera(Camera)}, the apps can use the camera after this method 746528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * call. The apps do not need to lock the camera again. However, if this 747528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * method fails, the apps should still lock the camera back. The apps should 748528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * not start another recording session during recording. 74942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void start() throws IllegalStateException; 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops recording. Call this after start(). Once recording is stopped, 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you will have to configure it again as if it has just been constructed. 75822bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * Note that a RuntimeException is intentionally thrown to the 75922bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * application, if no valid audio/video data has been received when stop() 76022bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * is called. This happens if stop() is called immediately after 76122bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * start(). The failure lets the application take action accordingly to 76222bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * clean up the output file (delete the output file, for instance), since 76322bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * the output file is not properly constructed when this happens. 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before start() 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void stop() throws IllegalStateException; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Restarts the MediaRecorder to its idle state. After calling 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method, you will have to configure it again as if it had just been 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructed. 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reset() { 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_reset(); 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure none of the listeners get called anymore 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler.removeCallbacksAndMessages(null); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_reset(); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum absolute amplitude that was sampled since the last 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to this method. Call this only after the setAudioSource(). 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum absolute amplitude measured since the last call, or 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 0 when called for the first time 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the audio source has been set. 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getMaxAmplitude() throws IllegalStateException; 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change this value without updating its counterpart 795a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * in include/media/mediarecorder.h or mediaplayer.h! 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Unspecified media recorder error. 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OnErrorListener 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MEDIA_RECORDER_ERROR_UNKNOWN = 1; 801a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong /** Media server died. In this case, the application must release the 802a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * MediaRecorder object and instantiate a new one. 803a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * @see android.media.MediaRecorder.OnErrorListener 804a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong */ 805a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong public static final int MEDIA_ERROR_SERVER_DIED = 100; 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when an error 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * occurs while recording. 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnErrorListener 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when an error occurs while recording. 8152bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mr the MediaRecorder that encountered the error 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param what the type of error that has occurred: 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #MEDIA_RECORDER_ERROR_UNKNOWN} 820a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * <li>{@link #MEDIA_ERROR_SERVER_DIED} 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param extra an extra code, specific to the error type 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(MediaRecorder mr, int what, int extra); 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when an error occurs while 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recording. 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the callback that will be run 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnErrorListener(OnErrorListener l) 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener = l; 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 838ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 839ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * in include/media/mediarecorder.h! 840ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 841ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** Unspecified media recorder error. 842ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 843ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 844ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_UNKNOWN = 1; 845ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** A maximum duration had been setup and has now been reached. 846ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 847ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 848ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800; 849105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** A maximum filesize had been setup and has now been reached. 850105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 851105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 852105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801; 853ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 8549e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** informational events for individual tracks, for testing purpose. 8559e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * The track informational event usually contains two parts in the ext1 8569e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * arg of the onInfo() callback: bit 31-28 contains the track id; and 8579e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * the rest of the 28 bits contains the informational event defined here. 8589e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * For example, ext1 = (1 << 28 | MEDIA_RECORDER_TRACK_INFO_TYPE) if the 8599e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * track id is 1 for informational event MEDIA_RECORDER_TRACK_INFO_TYPE; 8609e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * while ext1 = (0 << 28 | MEDIA_RECORDER_TRACK_INFO_TYPE) if the track 8619e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * id is 0 for informational event MEDIA_RECORDER_TRACK_INFO_TYPE. The 8629e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * application should extract the track id and the type of informational 8639e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * event from ext1, accordingly. 8649e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * 8659e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * FIXME: 8669e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * Please update the comment for onInfo also when these 8679e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * events are unhidden so that application knows how to extract the track 8689e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * id and the informational event type from onInfo callback. 8699e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * 8709e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8719e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8729e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_LIST_START = 1000; 8739e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Signal the completion of the track for the recording session. 8749e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8759e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8769e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS = 1000; 8779e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Indicate the recording progress in time (ms) during recording. 8789e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8799e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8809e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME = 1001; 8819e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Indicate the track type: 0 for Audio and 1 for Video. 8829e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8839e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8849e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_TYPE = 1002; 8859e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the track duration information. 8869e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8879e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8889e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_DURATION_MS = 1003; 8899e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the max chunk duration in time (ms) for the given track. 8909e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8919e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8929e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS = 1004; 8939e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the total number of recordd frames. 8949e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8959e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8969e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES = 1005; 8979e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the max spacing between neighboring chunks for the given track. 8989e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8999e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9009e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS = 1006; 9019e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the elapsed time measuring from the start of the recording 9029e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * till the first output frame of the given track is received, excluding 9039e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * any intentional start time offset of a recording session for the 9049e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * purpose of eliminating the recording sound in the recorded file. 9059e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9069e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9079e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS = 1007; 9089e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the start time difference (delay) betweeen this track and 9099e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * the start of the movie. 9109e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9119e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9129e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS = 1008; 9130f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong /** Provide the total number of data (in kilo-bytes) encoded. 9140f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong * {@hide} 9150f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong */ 9160f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong public static final int MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES = 1009; 9179e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** 9189e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9199e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9209e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_LIST_END = 2000; 9219e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 9229e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 923ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 924ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Interface definition for a callback to be invoked when an error 925ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * occurs while recording. 926ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 927ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public interface OnInfoListener 928ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 929ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 930ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Called when an error occurs while recording. 9312bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 932ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param mr the MediaRecorder that encountered the error 933ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param what the type of error that has occurred: 934ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <ul> 935ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_UNKNOWN} 936105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 937105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 938ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * </ul> 939ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param extra an extra code, specific to the error type 940ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 941ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project void onInfo(MediaRecorder mr, int what, int extra); 942ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 943ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 944ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 945ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Register a callback to be invoked when an informational event occurs while 946ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * recording. 947ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 948ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param listener the callback that will be run 949ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 950ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public void setOnInfoListener(OnInfoListener listener) 951ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 952ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener = listener; 953ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 954ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private MediaRecorder mMediaRecorder; 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(MediaRecorder mr, Looper looper) { 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMediaRecorder = mr; 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 964ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9679e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_LIST_START = 1; 9689e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_ERROR = 1; 9699e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_INFO = 2; 9709e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_LIST_END = 99; 9719e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 9729e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /* Events related to individual tracks */ 9739e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_LIST_START = 100; 9749e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_ERROR = 100; 9759e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_INFO = 101; 9769e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_LIST_END = 1000; 9779e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMediaRecorder.mNativeContext == 0) { 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w(TAG, "mediarecorder went away with unhandled events"); 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MEDIA_RECORDER_EVENT_ERROR: 9879e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong case MEDIA_RECORDER_TRACK_EVENT_ERROR: 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnErrorListener != null) 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener.onError(mMediaRecorder, msg.arg1, msg.arg2); 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 993ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project case MEDIA_RECORDER_EVENT_INFO: 9949e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong case MEDIA_RECORDER_TRACK_EVENT_INFO: 995ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (mOnInfoListener != null) 996ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener.onInfo(mMediaRecorder, msg.arg1, msg.arg2); 997ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 998ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project return; 999ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called from native code when an interesting event happens. This method 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just uses the EventHandler system to post the event back to the main app thread. 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We use a weak reference to the original MediaRecorder object so that the native 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * code is safe from the object disappearing from underneath it. (This is 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cookie passed to native_setup().) 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object mediarecorder_ref, 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaRecorder mr = (MediaRecorder)((WeakReference)mediarecorder_ref).get(); 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr == null) { 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr.mEventHandler != null) { 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = mr.mEventHandler.obtainMessage(what, arg1, arg2, obj); 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mr.mEventHandler.sendMessage(m); 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases resources associated with this MediaRecorder object. 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It is good practice to call this method when you're done 103189ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * using the MediaRecorder. In particular, whenever an Activity 103289ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * of an application is paused (its onPause() method is called), 103389ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * or stopped (its onStop() method is called), this method should be 103489ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * invoked to release the MediaRecorder object, unless the application 103589ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * has a special need to keep the object around. In addition to 103689ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * unnecessary resources (such as memory and instances of codecs) 103789ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * being held, failure to call this method immediately if a 103889ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * MediaRecorder object is no longer needed may also lead to 103989ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * continuous battery consumption for mobile devices, and recording 104089ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * failure for other applications if no multiple instances of the 104189ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * same codec are supported on a device. Even if multiple instances 104289ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * of the same codec are supported, some performance degradation 104389ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * may be expected when unnecessary multiple instances are used 104489ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * at the same time. 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void release(); 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10484935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen private static native final void native_init(); 10494935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen 1050788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala private native final void native_setup(Object mediarecorder_this, 1051788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala String clientName) throws IllegalStateException; 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10550fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong private native void setParameter(String nameValuePair); 10560fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { native_finalize(); } 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1060