MediaRecorder.java revision 7af0d66c2270d2b804b029bf33d6d8b532625a74
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 1900a009204e51997249d60eab4f147eff566e2b1fEric Laurentimport android.annotation.SystemApi; 20788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvalaimport android.app.ActivityThread; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.hardware.Camera; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Surface; 2742419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileDescriptor; 2942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Liimport java.io.IOException; 300d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shihimport java.io.RandomAccessFile; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to record audio and video. The recording control is based on a 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * simple state machine (see below). 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p><img src="{@docRoot}images/mediarecorder_state_diagram.gif" border="0" /> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>A common case of using MediaRecorder to record audio works as follows: 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre>MediaRecorder recorder = new MediaRecorder(); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioSource(MediaRecorder.AudioSource.MIC); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFile(PATH_NAME); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.prepare(); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.start(); // Recording is now started 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.stop(); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.reset(); // You can reuse the object by going back to setAudioSource() step 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.release(); // Now the object cannot be reused 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 559ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * <p>Applications may want to register for informational and error 569ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * events in order to be informed of some internal update and possible 579ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * runtime errors during recording. Registration for such events is 589ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * done by setting the appropriate listeners (via calls 599ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * (to {@link #setOnInfoListener(OnInfoListener)}setOnInfoListener and/or 609ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * {@link #setOnErrorListener(OnErrorListener)}setOnErrorListener). 619ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * In order to receive the respective callback associated with these listeners, 629ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * applications are required to create MediaRecorder objects on threads with a 639ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * Looper running (the main UI thread by default already has a Looper running). 649ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * 6561fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <p><strong>Note:</strong> Currently, MediaRecorder does not work on the emulator. 6661fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * 6761fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <div class="special reference"> 6861fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <h3>Developer Guides</h3> 6961fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <p>For more information about how to use MediaRecorder for recording video, read the 7061fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <a href="{@docRoot}guide/topics/media/camera.html#capture-video">Camera</a> developer guide. 7161fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * For more information about how to use MediaRecorder for recording sound, read the 7261fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <a href="{@docRoot}guide/topics/media/audio-capture.html">Audio Capture</a> developer guide.</p> 7361fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * </div> 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class MediaRecorder 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.loadLibrary("media_jni"); 794935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen native_init(); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static String TAG = "MediaRecorder"; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The two fields below are accessed by native methods 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 85075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mNativeContext; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Surface mSurface; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mPath; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FileDescriptor mFd; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnErrorListener mOnErrorListener; 94ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project private OnInfoListener mOnInfoListener; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Default constructor. 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MediaRecorder() { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 110788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala String packageName = ActivityThread.currentPackageName(); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Native setup requires a weak reference to our object. 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It's easier to create it here than in C++. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 114788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala native_setup(new WeakReference<MediaRecorder>(this), packageName); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 118b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * Sets a {@link android.hardware.Camera} to use for recording. 119b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 120b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * <p>Use this function to switch quickly between preview and capture mode without a teardown of 121b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * the camera object. {@link android.hardware.Camera#unlock()} should be called before 122b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * this. Must call before {@link #prepare}.</p> 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the Camera to use for recording 125b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * @deprecated Use {@link #getSurface} and the {@link android.hardware.camera2} API instead. 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 127b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala @Deprecated 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setCamera(Camera c); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13183cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * Gets the surface to record from when using SURFACE video source. 132b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 133b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * <p> May only be called after {@link #prepare}. Frames rendered to the Surface before 134b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link #start} will be discarded.</p> 135b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 136b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * @throws IllegalStateException if it is called before {@link #prepare}, after 137b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link #stop}, or is called when VideoSource is not set to SURFACE. 13883cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * @see android.media.MediaRecorder.VideoSource 13983cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 14083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang public native Surface getSurface(); 14183cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang 14283cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Surface to show a preview of recorded media (video). Calls this 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before prepare() to make sure that the desirable preview display is 145c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * set. If {@link #setCamera(Camera)} is used and the surface has been 146c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * already set to the camera, application do not need to call this. If 147c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * this is called with non-null surface, the preview surface of the camera 148c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * will be replaced by the new surface. If this method is called with null 149c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * surface or not called at all, media recorder will not change the preview 150c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * surface of the camera. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sv the Surface to use for the preview 153c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * @see android.hardware.Camera#setPreviewDisplay(android.view.SurfaceHolder) 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewDisplay(Surface sv) { 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurface = sv; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1607af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * Defines the audio source. 1617af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * An audio source defines both a default physical source of audio signal, and a recording 1627af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * configuration; it's also known as a capture preset. These constants are for instance used 1637af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * in {@link MediaRecorder#setAudioSource(int)} or 1647af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * {@link AudioRecord.Builder#setCapturePreset(int)}. 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioSource { 167701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi 168701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi private AudioSource() {} 169701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi 170701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi /** @hide */ 171701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi public final static int AUDIO_SOURCE_INVALID = -1; 172701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1740f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten * in system/core/include/system/audio.h! 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1760f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten 1770f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten /** Default audio source **/ 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1790f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Microphone audio source */ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MIC = 1; 1824bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1834bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink (Tx) audio source */ 1844bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_UPLINK = 2; 1854bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1864bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call downlink (Rx) audio source */ 1874bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_DOWNLINK = 3; 1884bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1894bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink + downlink audio source */ 1904bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_CALL = 4; 1916869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 192941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source with same orientation as camera if available, the main 193941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * device microphone otherwise */ 1946869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int CAMCORDER = 5; 1956869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 196941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source tuned for voice recognition if available, behaves like 197941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * {@link #DEFAULT} otherwise. */ 1986869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int VOICE_RECOGNITION = 6; 199820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi 200ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi /** Microphone audio source tuned for voice communications such as VoIP. It 201ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * will for instance take advantage of echo cancellation or automatic gain control 202ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * if available. It otherwise behaves like {@link #DEFAULT} if no voice processing 203ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * is applied. 204820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi */ 205820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi public static final int VOICE_COMMUNICATION = 7; 20664dfb604e70b70b7c346768114e05ddfadc09addJeff Brown 20764dfb604e70b70b7c346768114e05ddfadc09addJeff Brown /** 20864dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Audio source for a submix of audio streams to be presented remotely. 20964dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * <p> 21064dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * An application can use this audio source to capture a mix of audio streams 21164dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * that should be transmitted to a remote receiver such as a Wifi display. 21264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * While recording is active, these audio streams are redirected to the remote 21364dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * submix instead of being played on the device speaker or headset. 21464dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p><p> 21564dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Certain streams are excluded from the remote submix, including 21664dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_ALARM}, 21764dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * and {@link AudioManager#STREAM_NOTIFICATION}. These streams will continue 21864dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * to be presented locally as usual. 21964dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p><p> 22064dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Capturing the remote submix audio requires the 22164dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT} permission. 22264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * This permission is reserved for use by system components and is not available to 22364dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * third-party applications. 22464dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p> 22564dfb604e70b70b7c346768114e05ddfadc09addJeff Brown */ 22664dfb604e70b70b7c346768114e05ddfadc09addJeff Brown public static final int REMOTE_SUBMIX = 8; 227357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent 228357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent /** 22900a009204e51997249d60eab4f147eff566e2b1fEric Laurent * Audio source for capturing broadcast radio tuner output. 230ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang * @hide 231ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang */ 23200a009204e51997249d60eab4f147eff566e2b1fEric Laurent @SystemApi 23300a009204e51997249d60eab4f147eff566e2b1fEric Laurent public static final int RADIO_TUNER = 1998; 234ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang 235ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang /** 236357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * Audio source for preemptible, low-priority software hotword detection 237357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * It presents the same gain and pre processing tuning as {@link #VOICE_RECOGNITION}. 238357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * <p> 239357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * An application should use this audio source when it wishes to do 240357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * always-on software hotword detection, while gracefully giving in to any other application 241357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * that might want to read from the microphone. 242357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * </p> 243357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * This is a hidden audio source. 244357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * @hide 245357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent */ 24600a009204e51997249d60eab4f147eff566e2b1fEric Laurent @SystemApi 24700a009204e51997249d60eab4f147eff566e2b1fEric Laurent public static final int HOTWORD = 1999; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video source. These constants are used with 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoSource(int)}. 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoSource { 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoSource() {} 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 26083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** Camera video source 26183cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * <p> 262b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * Using the {@link android.hardware.Camera} API as video source. 26383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p> 26483cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA = 1; 26683cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** Surface video source 26783cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * <p> 26883cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * Using a Surface as video source. 26983cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p><p> 27083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * This flag must be used when recording from an 271b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link android.hardware.camera2} API source. 27283cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p><p> 27383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * When using this video source type, use {@link MediaRecorder#getSurface()} 27483cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * to retrieve the surface created by MediaRecorder. 27583cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 27683cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang public static final int SURFACE = 2; 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the output format. These constants are used with 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setOutputFormat(int)}. 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class OutputFormat { 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OutputFormat() {} 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3GPP media file format*/ 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int THREE_GPP = 1; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** MPEG4 media file format*/ 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4 = 2; 2932bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 294874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** The following formats are audio only .aac or .amr formats */ 295874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 296874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** 297874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong * AMR NB file format 298874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong * @deprecated Deprecated in favor of MediaRecorder.OutputFormat.AMR_NB 299874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong */ 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int RAW_AMR = 3; 301874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 3022116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR NB file format */ 3032bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_NB = 3; 304874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 3052116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR WB file format */ 3062bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 4; 307874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 3082bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AAC ADIF file format */ 3092bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADIF = 5; 310874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 311874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** AAC ADTS file format */ 3122bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADTS = 6; 31357648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber 31457648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber /** @hide Stream over a socket, limited to a single stream */ 31557648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber public static final int OUTPUT_FORMAT_RTP_AVP = 7; 3169adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber 3179adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber /** @hide H.264/AAC data encapsulated in MPEG2/TS */ 3189adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber public static final int OUTPUT_FORMAT_MPEG2TS = 8; 319c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih 320c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih /** VP8/VORBIS data in a WEBM container */ 321c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int WEBM = 9; 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio encoding. These constants are used with 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioEncoder(int)}. 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioEncoder { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioEncoder() {} 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** AMR (Narrowband) audio codec */ 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int AMR_NB = 1; 3362116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR (Wideband) audio codec */ 3372bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 2; 338ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** AAC Low Complexity (AAC-LC) audio codec */ 3392bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC = 3; 340ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** High Efficiency AAC (HE-AAC) audio codec */ 341ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke public static final int HE_AAC = 4; 342ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** Enhanced Low Delay AAC (AAC-ELD) audio codec */ 343ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke public static final int AAC_ELD = 5; 344c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih /** Ogg Vorbis audio codec */ 345c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int VORBIS = 6; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video encoding. These constants are used with 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoEncoder(int)}. 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoEncoder { 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoEncoder() {} 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H263 = 1; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H264 = 2; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4_SP = 3; 361c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int VP8 = 4; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio source to be used for recording. If this method is not 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. The source needs 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_source the audio source to use 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioSource 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioSource(int audio_source) 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3784bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * Gets the maximum value for audio sources. 3794bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * @see android.media.MediaRecorder.AudioSource 3804bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent */ 3812ac2afeac989ea1dc326b0db996d6c6c8e00cc29Jean-Michel Trivi public static final int getAudioSourceMax() { 38264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown return AudioSource.REMOTE_SUBMIX; 3832ac2afeac989ea1dc326b0db996d6c6c8e00cc29Jean-Michel Trivi } 3844bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 3854bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video source to be used for recording. If this method is not 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. The source needs 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_source the video source to use 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoSource 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSource(int video_source) 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 399e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * Uses the settings from a CamcorderProfile object for recording. This method should 400e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * be called after the video AND audio sources are set, and before setOutputFile(). 401a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * If a time lapse CamcorderProfile is used, audio related source or recording 402a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * parameters are ignored. 403e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * 404e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @param profile the CamcorderProfile to use 405e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @see android.media.CamcorderProfile 406e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong */ 407e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong public void setProfile(CamcorderProfile profile) { 408e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setOutputFormat(profile.fileFormat); 409e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoFrameRate(profile.videoFrameRate); 410e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight); 411e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncodingBitRate(profile.videoBitRate); 412e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncoder(profile.videoCodec); 4134f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra if (profile.quality >= CamcorderProfile.QUALITY_TIME_LAPSE_LOW && 41433fe290ca33235d7e0988cace14de3319a9a83f1James Dong profile.quality <= CamcorderProfile.QUALITY_TIME_LAPSE_QVGA) { 415a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // Nothing needs to be done. Call to setCaptureRate() enables 416a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // time lapse video recording. 4174f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra } else { 4184f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioEncodingBitRate(profile.audioBitRate); 4194f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioChannels(profile.audioChannels); 4204f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioSamplingRate(profile.audioSampleRate); 4214f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioEncoder(profile.audioCodec); 4224f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra } 423e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong } 424e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong 425e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong /** 4264f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * Set video frame capture rate. This can be used to set a different video frame capture 427a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * rate than the recorded video's playback rate. This method also sets the recording mode 428a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * to time lapse. In time lapse video recording, only video is recorded. Audio related 429a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * parameters are ignored when a time lapse recording session starts, if an application 430a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * sets them. 431ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra * 4324f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * @param fps Rate at which frames should be captured in frames per second. 4334f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * The fps can go as low as desired. However the fastest fps will be limited by the hardware. 4344f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * For resolutions that can be captured by the video camera, the fastest fps can be computed using 4354f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * {@link android.hardware.Camera.Parameters#getPreviewFpsRange(int[])}. For higher 4364f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * resolutions the fastest fps may be more restrictive. 4374f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * Note that the recorder cannot guarantee that frames will be captured at the 4384f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * given rate due to camera/encoder limitations. However it tries to be as close as 4394f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * possible. 440ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra */ 4414f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra public void setCaptureRate(double fps) { 442a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // Make sure that time lapse is enabled when this method is called. 4431c7928e8c68654d087f83c7cefc59095950b8befJohan Redestig setParameter("time-lapse-enable=1"); 444fbdee2c04b88210bab5c9a769908be42d1775e16Chong Zhang setParameter("time-lapse-fps=" + fps); 445ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra } 446ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra 447ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra /** 448ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * Sets the orientation hint for output video playback. 4495aa95dd36cd0708d25accd8d745ae8ebc255758fJames Dong * This method should be called before prepare(). This method will not 450ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * trigger the source video frame to rotate during video recording, but to 451ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * add a composition matrix containing the rotation angle in the output 452ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * video if the output format is OutputFormat.THREE_GPP or 453ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * OutputFormat.MPEG_4 so that a video player can choose the proper 454ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * orientation for playback. Note that some video players may choose 455ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * to ignore the compostion matrix in a video during playback. 456ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 457ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @param degrees the angle to be rotated clockwise in degrees. 458ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * The supported angles are 0, 90, 180, and 270 degrees. 459ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @throws IllegalArgumentException if the angle is not supported. 460ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 461ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong */ 462ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong public void setOrientationHint(int degrees) { 463ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong if (degrees != 0 && 464ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 90 && 465ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 180 && 466ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 270) { 467ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong throw new IllegalArgumentException("Unsupported angle: " + degrees); 468ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 4692450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-rotation-angle-degrees=" + degrees); 470ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 471ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong 472ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong /** 473af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong * Set and store the geodata (latitude and longitude) in the output file. 474987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * This method should be called before prepare(). The geodata is 475987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * stored in udta box if the output format is OutputFormat.THREE_GPP 476987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * or OutputFormat.MPEG_4, and is ignored for other output formats. 477987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * The geodata is stored according to ISO-6709 standard. 478987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 479987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @param latitude latitude in degrees. Its value must be in the 480987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * range [-90, 90]. 481987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @param longitude longitude in degrees. Its value must be in the 482987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * range [-180, 180]. 483987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 484987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @throws IllegalArgumentException if the given latitude or 485987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * longitude is out of range. 486987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 487987ab4833ecbafbdf750eb1b04e43693433c4783James Dong */ 488af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong public void setLocation(float latitude, float longitude) { 489987ab4833ecbafbdf750eb1b04e43693433c4783James Dong int latitudex10000 = (int) (latitude * 10000 + 0.5); 490987ab4833ecbafbdf750eb1b04e43693433c4783James Dong int longitudex10000 = (int) (longitude * 10000 + 0.5); 491987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 492987ab4833ecbafbdf750eb1b04e43693433c4783James Dong if (latitudex10000 > 900000 || latitudex10000 < -900000) { 493af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong String msg = "Latitude: " + latitude + " out of range."; 494987ab4833ecbafbdf750eb1b04e43693433c4783James Dong throw new IllegalArgumentException(msg); 495987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 496987ab4833ecbafbdf750eb1b04e43693433c4783James Dong if (longitudex10000 > 1800000 || longitudex10000 < -1800000) { 497af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong String msg = "Longitude: " + longitude + " out of range"; 498987ab4833ecbafbdf750eb1b04e43693433c4783James Dong throw new IllegalArgumentException(msg); 499987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 500987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 501987ab4833ecbafbdf750eb1b04e43693433c4783James Dong setParameter("param-geotag-latitude=" + latitudex10000); 502987ab4833ecbafbdf750eb1b04e43693433c4783James Dong setParameter("param-geotag-longitude=" + longitudex10000); 503987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 504987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 505987ab4833ecbafbdf750eb1b04e43693433c4783James Dong /** 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the format of the output file produced during recording. Call this 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setAudioSource()/setVideoSource() but before prepare(). 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5092170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * <p>It is recommended to always use 3GP format when using the H.263 5102170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * video encoder and AMR audio encoder. Using an MPEG-4 container format 5112170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * may confuse some desktop players.</p> 5122170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output_format the output format to use. The output format 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be specified before setting recording-parameters or encoders. 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after prepare() or before 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setAudioSource()/setVideoSource(). 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OutputFormat 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setOutputFormat(int output_format) 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the width and height of the video to be captured. Must be called 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the video to be captured 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the video to be captured 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat() 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSize(int width, int height) 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the frame rate of the video to be captured. Must be called 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rate the number of frames per second of video to capture 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat(). 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: On some devices that have auto-frame rate, this sets the 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * maximum frame rate, not a constant frame rate. Actual frame rate 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will vary according to lighting conditions. 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoFrameRate(int rate) throws IllegalStateException; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 551ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Sets the maximum duration (in ms) of the recording session. 552ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Call this after setOutFormat() but before prepare(). 553105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified duration, a notification 554105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 555105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 556105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 557105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 558105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 559ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 560ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param max_duration_ms the maximum duration in ms (if zero or negative, disables the duration limit) 561ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 562ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 563ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public native void setMaxDuration(int max_duration_ms) throws IllegalArgumentException; 564ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 565ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 566105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Sets the maximum filesize (in bytes) of the recording session. 567105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Call this after setOutFormat() but before prepare(). 568105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified filesize, a notification 569105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 570105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 571105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 572105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 573105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 574105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 575105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @param max_filesize_bytes the maximum filesize in bytes (if zero or negative, disables the limit) 576105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 577105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 578105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public native void setMaxFileSize(long max_filesize_bytes) throws IllegalArgumentException; 579105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 580105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio encoder to be used for recording. If this method is not 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. Call this after 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_encoder the audio encoder to use. 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare(). 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioEncoder 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioEncoder(int audio_encoder) 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video encoder to be used for recording. If this method is not 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. Call this after 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() and before prepare(). 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_encoder the video encoder to use. 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoEncoder 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoEncoder(int video_encoder) 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6070fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio sampling rate for recording. Call this method before prepare(). 6080fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether 6090fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the specified audio sampling rate is applicable. The sampling rate really depends 6100fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * on the format for the audio recording, as well as the capabilities of the platform. 6110fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * For instance, the sampling rate supported by AAC audio coding standard ranges 61254815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * from 8 to 96 kHz, the sampling rate supported by AMRNB is 8kHz, and the sampling 61354815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * rate supported by AMRWB is 16kHz. Please consult with the related audio coding 61454815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * standard for the supported audio sampling rate. 6150fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6160fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param samplingRate the sampling rate for audio in samples per second. 6170fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6180fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioSamplingRate(int samplingRate) { 6190fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (samplingRate <= 0) { 6200fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio sampling rate is not positive"); 6210fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6222450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-sampling-rate=" + samplingRate); 6230fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6240fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6250fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6260fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the number of audio channels for recording. Call this method before prepare(). 6270fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6280fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified number of audio channels are applicable. 6292bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 6300fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param numChannels the number of audio channels. Usually it is either 1 (mono) or 2 6310fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * (stereo). 6322bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang */ 6330fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioChannels(int numChannels) { 6340fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (numChannels <= 0) { 6350fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Number of channels is not positive"); 6360fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6372450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-number-of-channels=" + numChannels); 6380fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6390fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6400fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6410fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio encoding bit rate for recording. Call this method before prepare(). 6420fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6430fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be clipped 6440fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * internally to ensure the audio recording can proceed smoothly based on the 6450fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * capabilities of the platform. 6460fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6470fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the audio encoding bit rate in bits per second. 6480fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6490fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioEncodingBitRate(int bitRate) { 6500fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 6510fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio encoding bit rate is not positive"); 6520fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6532450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-encoding-bitrate=" + bitRate); 6540fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6550fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6560fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6570fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the video encoding bit rate for recording. Call this method before prepare(). 6580fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6590fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be 6600fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * clipped internally to ensure the video recording can proceed smoothly based on 6610fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the capabilities of the platform. 6620fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6630fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the video encoding bit rate in bits per second. 6640fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6650fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setVideoEncodingBitRate(int bitRate) { 6660fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 6670fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Video encoding bit rate is not positive"); 6680fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6692450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-encoding-bitrate=" + bitRate); 6700fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6712bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 6722bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** 6733ff98beeafd271a65c1f824699431366882b04f6James Dong * Currently not implemented. It does nothing. 6743ff98beeafd271a65c1f824699431366882b04f6James Dong * @deprecated Time lapse mode video recording using camera still image capture 6753ff98beeafd271a65c1f824699431366882b04f6James Dong * is not desirable, and will not be supported. 676029d7e15f38cdd3c1941a16186c5941edc85bc3dJames Dong * @hide 677b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra */ 6781fec21be65ddda46fe39c40e00d2fb94a8ce59f1Nipun Kwatra public void setAuxiliaryOutputFile(FileDescriptor fd) 679b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra { 6803ff98beeafd271a65c1f824699431366882b04f6James Dong Log.w(TAG, "setAuxiliaryOutputFile(FileDescriptor) is no longer supported."); 681b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra } 682b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 683b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra /** 6843ff98beeafd271a65c1f824699431366882b04f6James Dong * Currently not implemented. It does nothing. 6853ff98beeafd271a65c1f824699431366882b04f6James Dong * @deprecated Time lapse mode video recording using camera still image capture 6863ff98beeafd271a65c1f824699431366882b04f6James Dong * is not desirable, and will not be supported. 687029d7e15f38cdd3c1941a16186c5941edc85bc3dJames Dong * @hide 688b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra */ 6891fec21be65ddda46fe39c40e00d2fb94a8ce59f1Nipun Kwatra public void setAuxiliaryOutputFile(String path) 690b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra { 6913ff98beeafd271a65c1f824699431366882b04f6James Dong Log.w(TAG, "setAuxiliaryOutputFile(String) is no longer supported."); 692b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra } 693b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 694b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra /** 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in the file descriptor of the file to be written. Call this after 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fd an open file descriptor to be written into. 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(FileDescriptor fd) throws IllegalStateException 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = null; 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = fd; 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the path of the output file to be produced. Call this after 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The pathname to use. 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(String path) throws IllegalStateException 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = null; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native implementation 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _setOutputFile(FileDescriptor fd, long offset, long length) 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException, IOException; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _prepare() throws IllegalStateException, IOException; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prepares the recorder to begin capturing and encoding data. This method 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called after setting up the desired audio and video sources, 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * encoders, file format, etc., but before start(). 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start() or before setOutputFormat(). 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IOException if prepare fails otherwise. 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void prepare() throws IllegalStateException, IOException 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPath != null) { 7390d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih RandomAccessFile file = new RandomAccessFile(mPath, "rws"); 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 7410d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih _setOutputFile(file.getFD(), 0, 0); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 7430d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih file.close(); 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFd != null) { 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _setOutputFile(mFd, 0, 0); 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IOException("No valid output file"); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 750b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _prepare(); 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Begins capturing and encoding data to the file specified with 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFile(). Call this after prepare(). 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 75842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, if applications set a camera via 75942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link #setCamera(Camera)}, the apps can use the camera after this method 760528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * call. The apps do not need to lock the camera again. However, if this 761528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * method fails, the apps should still lock the camera back. The apps should 762528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * not start another recording session during recording. 76342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void start() throws IllegalStateException; 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops recording. Call this after start(). Once recording is stopped, 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you will have to configure it again as if it has just been constructed. 77222bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * Note that a RuntimeException is intentionally thrown to the 77322bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * application, if no valid audio/video data has been received when stop() 77422bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * is called. This happens if stop() is called immediately after 77522bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * start(). The failure lets the application take action accordingly to 77622bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * clean up the output file (delete the output file, for instance), since 77722bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * the output file is not properly constructed when this happens. 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before start() 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void stop() throws IllegalStateException; 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Restarts the MediaRecorder to its idle state. After calling 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method, you will have to configure it again as if it had just been 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructed. 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reset() { 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_reset(); 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure none of the listeners get called anymore 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler.removeCallbacksAndMessages(null); 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_reset(); 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum absolute amplitude that was sampled since the last 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to this method. Call this only after the setAudioSource(). 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum absolute amplitude measured since the last call, or 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 0 when called for the first time 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the audio source has been set. 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getMaxAmplitude() throws IllegalStateException; 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change this value without updating its counterpart 809a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * in include/media/mediarecorder.h or mediaplayer.h! 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Unspecified media recorder error. 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OnErrorListener 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MEDIA_RECORDER_ERROR_UNKNOWN = 1; 815a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong /** Media server died. In this case, the application must release the 816a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * MediaRecorder object and instantiate a new one. 817a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * @see android.media.MediaRecorder.OnErrorListener 818a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong */ 819a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong public static final int MEDIA_ERROR_SERVER_DIED = 100; 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when an error 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * occurs while recording. 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnErrorListener 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when an error occurs while recording. 8292bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mr the MediaRecorder that encountered the error 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param what the type of error that has occurred: 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #MEDIA_RECORDER_ERROR_UNKNOWN} 834a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * <li>{@link #MEDIA_ERROR_SERVER_DIED} 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param extra an extra code, specific to the error type 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(MediaRecorder mr, int what, int extra); 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when an error occurs while 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recording. 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the callback that will be run 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnErrorListener(OnErrorListener l) 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener = l; 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 852ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 853ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * in include/media/mediarecorder.h! 854ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 855ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** Unspecified media recorder error. 856ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 857ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 858ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_UNKNOWN = 1; 859ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** A maximum duration had been setup and has now been reached. 860ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 861ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 862ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800; 863105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** A maximum filesize had been setup and has now been reached. 864105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 865105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 866105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801; 867ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 8689e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** informational events for individual tracks, for testing purpose. 8699e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * The track informational event usually contains two parts in the ext1 8709e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * arg of the onInfo() callback: bit 31-28 contains the track id; and 8719e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * the rest of the 28 bits contains the informational event defined here. 8729e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * For example, ext1 = (1 << 28 | MEDIA_RECORDER_TRACK_INFO_TYPE) if the 8739e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * track id is 1 for informational event MEDIA_RECORDER_TRACK_INFO_TYPE; 8749e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * while ext1 = (0 << 28 | MEDIA_RECORDER_TRACK_INFO_TYPE) if the track 8759e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * id is 0 for informational event MEDIA_RECORDER_TRACK_INFO_TYPE. The 8769e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * application should extract the track id and the type of informational 8779e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * event from ext1, accordingly. 8789e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * 8799e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * FIXME: 8809e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * Please update the comment for onInfo also when these 8819e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * events are unhidden so that application knows how to extract the track 8829e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * id and the informational event type from onInfo callback. 8839e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * 8849e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8859e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8869e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_LIST_START = 1000; 8879e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Signal the completion of the track for the recording session. 8889e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8899e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8909e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS = 1000; 8919e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Indicate the recording progress in time (ms) during recording. 8929e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8939e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8949e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME = 1001; 8959e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Indicate the track type: 0 for Audio and 1 for Video. 8969e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 8979e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 8989e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_TYPE = 1002; 8999e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the track duration information. 9009e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9019e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9029e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_DURATION_MS = 1003; 9039e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the max chunk duration in time (ms) for the given track. 9049e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9059e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9069e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS = 1004; 9079e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the total number of recordd frames. 9089e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9099e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9109e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES = 1005; 9119e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the max spacing between neighboring chunks for the given track. 9129e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9139e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9149e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS = 1006; 9159e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the elapsed time measuring from the start of the recording 9169e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * till the first output frame of the given track is received, excluding 9179e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * any intentional start time offset of a recording session for the 9189e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * purpose of eliminating the recording sound in the recorded file. 9199e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9209e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9219e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS = 1007; 9229e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the start time difference (delay) betweeen this track and 9239e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * the start of the movie. 9249e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9259e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9269e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS = 1008; 9270f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong /** Provide the total number of data (in kilo-bytes) encoded. 9280f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong * {@hide} 9290f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong */ 9300f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong public static final int MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES = 1009; 9319e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** 9329e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9339e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9349e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_LIST_END = 2000; 9359e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 9369e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 937ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 938ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Interface definition for a callback to be invoked when an error 939ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * occurs while recording. 940ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 941ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public interface OnInfoListener 942ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 943ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 944ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Called when an error occurs while recording. 9452bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 946ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param mr the MediaRecorder that encountered the error 947ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param what the type of error that has occurred: 948ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <ul> 949ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_UNKNOWN} 950105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 951105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 952ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * </ul> 953ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param extra an extra code, specific to the error type 954ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 955ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project void onInfo(MediaRecorder mr, int what, int extra); 956ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 957ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 958ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 959ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Register a callback to be invoked when an informational event occurs while 960ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * recording. 961ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 962ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param listener the callback that will be run 963ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 964ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public void setOnInfoListener(OnInfoListener listener) 965ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 966ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener = listener; 967ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 968ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private MediaRecorder mMediaRecorder; 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(MediaRecorder mr, Looper looper) { 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMediaRecorder = mr; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 978ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9819e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_LIST_START = 1; 9829e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_ERROR = 1; 9839e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_INFO = 2; 9849e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_LIST_END = 99; 9859e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 9869e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /* Events related to individual tracks */ 9879e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_LIST_START = 100; 9889e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_ERROR = 100; 9899e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_INFO = 101; 9909e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_LIST_END = 1000; 9919e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMediaRecorder.mNativeContext == 0) { 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w(TAG, "mediarecorder went away with unhandled events"); 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MEDIA_RECORDER_EVENT_ERROR: 10019e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong case MEDIA_RECORDER_TRACK_EVENT_ERROR: 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnErrorListener != null) 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener.onError(mMediaRecorder, msg.arg1, msg.arg2); 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1007ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project case MEDIA_RECORDER_EVENT_INFO: 10089e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong case MEDIA_RECORDER_TRACK_EVENT_INFO: 1009ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (mOnInfoListener != null) 1010ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener.onInfo(mMediaRecorder, msg.arg1, msg.arg2); 1011ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 1012ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project return; 1013ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called from native code when an interesting event happens. This method 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just uses the EventHandler system to post the event back to the main app thread. 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We use a weak reference to the original MediaRecorder object so that the native 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * code is safe from the object disappearing from underneath it. (This is 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cookie passed to native_setup().) 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object mediarecorder_ref, 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaRecorder mr = (MediaRecorder)((WeakReference)mediarecorder_ref).get(); 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr == null) { 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr.mEventHandler != null) { 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = mr.mEventHandler.obtainMessage(what, arg1, arg2, obj); 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mr.mEventHandler.sendMessage(m); 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases resources associated with this MediaRecorder object. 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It is good practice to call this method when you're done 104589ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * using the MediaRecorder. In particular, whenever an Activity 104689ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * of an application is paused (its onPause() method is called), 104789ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * or stopped (its onStop() method is called), this method should be 104889ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * invoked to release the MediaRecorder object, unless the application 104989ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * has a special need to keep the object around. In addition to 105089ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * unnecessary resources (such as memory and instances of codecs) 105189ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * being held, failure to call this method immediately if a 105289ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * MediaRecorder object is no longer needed may also lead to 105389ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * continuous battery consumption for mobile devices, and recording 105489ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * failure for other applications if no multiple instances of the 105589ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * same codec are supported on a device. Even if multiple instances 105689ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * of the same codec are supported, some performance degradation 105789ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * may be expected when unnecessary multiple instances are used 105889ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * at the same time. 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void release(); 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10624935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen private static native final void native_init(); 10634935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen 1064788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala private native final void native_setup(Object mediarecorder_this, 1065788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala String clientName) throws IllegalStateException; 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10690fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong private native void setParameter(String nameValuePair); 10700fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { native_finalize(); } 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1074