MediaRecorder.java revision a7cc59c3187711d390c5a483d26c463a1bcbd331
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 1903359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhangimport android.annotation.NonNull; 2000a009204e51997249d60eab4f147eff566e2b1fEric Laurentimport android.annotation.SystemApi; 21788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvalaimport android.app.ActivityThread; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.hardware.Camera; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Surface; 2842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileDescriptor; 3042419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Liimport java.io.IOException; 310d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shihimport java.io.RandomAccessFile; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to record audio and video. The recording control is based on a 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * simple state machine (see below). 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p><img src="{@docRoot}images/mediarecorder_state_diagram.gif" border="0" /> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>A common case of using MediaRecorder to record audio works as follows: 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre>MediaRecorder recorder = new MediaRecorder(); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioSource(MediaRecorder.AudioSource.MIC); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFile(PATH_NAME); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.prepare(); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.start(); // Recording is now started 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.stop(); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.reset(); // You can reuse the object by going back to setAudioSource() step 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.release(); // Now the object cannot be reused 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 569ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * <p>Applications may want to register for informational and error 579ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * events in order to be informed of some internal update and possible 589ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * runtime errors during recording. Registration for such events is 599ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * done by setting the appropriate listeners (via calls 609ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * (to {@link #setOnInfoListener(OnInfoListener)}setOnInfoListener and/or 619ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * {@link #setOnErrorListener(OnErrorListener)}setOnErrorListener). 629ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * In order to receive the respective callback associated with these listeners, 639ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * applications are required to create MediaRecorder objects on threads with a 649ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * Looper running (the main UI thread by default already has a Looper running). 659ddb7888b4b8c7b1f9e352347d84ae530e47a77dJames Dong * 6661fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <p><strong>Note:</strong> Currently, MediaRecorder does not work on the emulator. 6761fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * 6861fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <div class="special reference"> 6961fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <h3>Developer Guides</h3> 7061fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <p>For more information about how to use MediaRecorder for recording video, read the 7161fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <a href="{@docRoot}guide/topics/media/camera.html#capture-video">Camera</a> developer guide. 7261fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * For more information about how to use MediaRecorder for recording sound, read the 7361fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * <a href="{@docRoot}guide/topics/media/audio-capture.html">Audio Capture</a> developer guide.</p> 7461fd1e8d8c3ccf2d6b7d4af1c19e8f0988d5a1ecJoe Fernandez * </div> 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class MediaRecorder 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.loadLibrary("media_jni"); 804935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen native_init(); 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static String TAG = "MediaRecorder"; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The two fields below are accessed by native methods 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 86075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mNativeContext; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Surface mSurface; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mPath; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FileDescriptor mFd; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnErrorListener mOnErrorListener; 95ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project private OnInfoListener mOnInfoListener; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Default constructor. 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MediaRecorder() { 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 111788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala String packageName = ActivityThread.currentPackageName(); 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Native setup requires a weak reference to our object. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It's easier to create it here than in C++. 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 115fbf0ecabac5d7a929628b43ffe8f4f953e47bd54Svetoslav native_setup(new WeakReference<MediaRecorder>(this), packageName, 116fbf0ecabac5d7a929628b43ffe8f4f953e47bd54Svetoslav ActivityThread.currentOpPackageName()); 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 120b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * Sets a {@link android.hardware.Camera} to use for recording. 121b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 122b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * <p>Use this function to switch quickly between preview and capture mode without a teardown of 123b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * the camera object. {@link android.hardware.Camera#unlock()} should be called before 124b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * this. Must call before {@link #prepare}.</p> 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the Camera to use for recording 127b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * @deprecated Use {@link #getSurface} and the {@link android.hardware.camera2} API instead. 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 129b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala @Deprecated 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setCamera(Camera c); 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * Gets the surface to record from when using SURFACE video source. 134b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 135b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * <p> May only be called after {@link #prepare}. Frames rendered to the Surface before 136b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link #start} will be discarded.</p> 137b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * 138b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * @throws IllegalStateException if it is called before {@link #prepare}, after 139b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link #stop}, or is called when VideoSource is not set to SURFACE. 14083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * @see android.media.MediaRecorder.VideoSource 14183cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 14283cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang public native Surface getSurface(); 14383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang 14483cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** 14517d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar * Configures the recorder to use a persistent surface when using SURFACE video source. 14603359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang * <p> May only be called before {@link #prepare}. If called, {@link #getSurface} should 14703359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang * not be used and will throw IllegalStateException. Frames rendered to the Surface 14803359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang * before {@link #start} will be discarded.</p> 14917d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar 15017d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar * @param surface a persistent input surface created by 15117d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar * {@link MediaCodec#createPersistentInputSurface} 15203359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang * @throws IllegalStateException if it is called after {@link #prepare} and before 15303359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang * {@link #stop}. 15417d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar * @throws IllegalArgumentException if the surface was not created by 15517d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar * {@link MediaCodec#createPersistentInputSurface}. 15617d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar * @see MediaCodec#createPersistentInputSurface 15717d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar * @see MediaRecorder.VideoSource 15817d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar */ 1599560ddb48af0e2da7743452f8d9d6d9cd34d8438Chong Zhang public void setInputSurface(@NonNull Surface surface) { 16003359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang if (!(surface instanceof MediaCodec.PersistentSurface)) { 16103359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang throw new IllegalArgumentException("not a PersistentSurface"); 16203359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang } 1639560ddb48af0e2da7743452f8d9d6d9cd34d8438Chong Zhang native_setInputSurface(surface); 16417d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar } 16517d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar 1669560ddb48af0e2da7743452f8d9d6d9cd34d8438Chong Zhang private native final void native_setInputSurface(@NonNull Surface surface); 16703359161734eb0bdfacb6ff91be8617b9c5eccabChong Zhang 16817d79047c7c3919e75ce0d4bc1eb062528818212Lajos Molnar /** 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Surface to show a preview of recorded media (video). Calls this 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before prepare() to make sure that the desirable preview display is 171c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * set. If {@link #setCamera(Camera)} is used and the surface has been 172c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * already set to the camera, application do not need to call this. If 173c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * this is called with non-null surface, the preview surface of the camera 174c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * will be replaced by the new surface. If this method is called with null 175c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * surface or not called at all, media recorder will not change the preview 176c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * surface of the camera. 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sv the Surface to use for the preview 179c59d1a8f0ccbf8d95c8f29cfe9d955d081807fc9Wu-cheng Li * @see android.hardware.Camera#setPreviewDisplay(android.view.SurfaceHolder) 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewDisplay(Surface sv) { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurface = sv; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1867af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * Defines the audio source. 1877af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * An audio source defines both a default physical source of audio signal, and a recording 188fd3ac3da172b877c6f316de2d066883e7a2d0631Jean-Michel Trivi * configuration. These constants are for instance used 1897af0d66c2270d2b804b029bf33d6d8b532625a74Jean-Michel Trivi * in {@link MediaRecorder#setAudioSource(int)} or 190fd3ac3da172b877c6f316de2d066883e7a2d0631Jean-Michel Trivi * {@link AudioRecord.Builder#setAudioSource(int)}. 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioSource { 193701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi 194701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi private AudioSource() {} 195701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi 196701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi /** @hide */ 197701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi public final static int AUDIO_SOURCE_INVALID = -1; 198701d6ff12f36bf5e9de0dafdaced06744fd411ebJean-Michel Trivi 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 200b2b292317482d00d067bc91669322b273be61926Rom Lemarchand * in system/media/audio/include/system/audio.h! 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2020f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten 2030f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten /** Default audio source **/ 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 2050f0fbd9441f40c6f99470b89774e397f99bf61ebGlenn Kasten 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Microphone audio source */ 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MIC = 1; 2084bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 2094bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink (Tx) audio source */ 2104bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_UPLINK = 2; 2114bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 2124bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call downlink (Rx) audio source */ 2134bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_DOWNLINK = 3; 2144bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 2154bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink + downlink audio source */ 2164bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_CALL = 4; 2176869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 218941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source with same orientation as camera if available, the main 219941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * device microphone otherwise */ 2206869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int CAMCORDER = 5; 2216869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 222941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source tuned for voice recognition if available, behaves like 223941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * {@link #DEFAULT} otherwise. */ 2246869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int VOICE_RECOGNITION = 6; 225820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi 226ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi /** Microphone audio source tuned for voice communications such as VoIP. It 227ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * will for instance take advantage of echo cancellation or automatic gain control 228ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * if available. It otherwise behaves like {@link #DEFAULT} if no voice processing 229ffd0eb0f1106b0229694a1a86ce7d6356efcf50dJean-Michel Trivi * is applied. 230820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi */ 231820b9e0d3b6f94fe0b524aebf756ce25df273e6aJean-Michel Trivi public static final int VOICE_COMMUNICATION = 7; 23264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown 23364dfb604e70b70b7c346768114e05ddfadc09addJeff Brown /** 23464dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Audio source for a submix of audio streams to be presented remotely. 23564dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * <p> 23664dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * An application can use this audio source to capture a mix of audio streams 23764dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * that should be transmitted to a remote receiver such as a Wifi display. 23864dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * While recording is active, these audio streams are redirected to the remote 23964dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * submix instead of being played on the device speaker or headset. 24064dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p><p> 24164dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Certain streams are excluded from the remote submix, including 24264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_ALARM}, 24364dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * and {@link AudioManager#STREAM_NOTIFICATION}. These streams will continue 24464dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * to be presented locally as usual. 24564dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p><p> 24664dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * Capturing the remote submix audio requires the 24764dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * {@link android.Manifest.permission#CAPTURE_AUDIO_OUTPUT} permission. 24864dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * This permission is reserved for use by system components and is not available to 24964dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * third-party applications. 25064dfb604e70b70b7c346768114e05ddfadc09addJeff Brown * </p> 25164dfb604e70b70b7c346768114e05ddfadc09addJeff Brown */ 25264dfb604e70b70b7c346768114e05ddfadc09addJeff Brown public static final int REMOTE_SUBMIX = 8; 253357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent 254a7cc59c3187711d390c5a483d26c463a1bcbd331rago /** Microphone audio source tuned for unprocessed (raw) sound if available, behaves like 255a7cc59c3187711d390c5a483d26c463a1bcbd331rago * {@link #DEFAULT} otherwise. */ 256a7cc59c3187711d390c5a483d26c463a1bcbd331rago public static final int UNPROCESSED = 9; 257a7cc59c3187711d390c5a483d26c463a1bcbd331rago 258357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent /** 25900a009204e51997249d60eab4f147eff566e2b1fEric Laurent * Audio source for capturing broadcast radio tuner output. 260ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang * @hide 261ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang */ 26200a009204e51997249d60eab4f147eff566e2b1fEric Laurent @SystemApi 26300a009204e51997249d60eab4f147eff566e2b1fEric Laurent public static final int RADIO_TUNER = 1998; 264ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang 265ce4483cb83afb3a42a32ef2cb00cf04d6f9018fdBenson Huang /** 266357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * Audio source for preemptible, low-priority software hotword detection 267357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * It presents the same gain and pre processing tuning as {@link #VOICE_RECOGNITION}. 268357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * <p> 269357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * An application should use this audio source when it wishes to do 270357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * always-on software hotword detection, while gracefully giving in to any other application 271357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * that might want to read from the microphone. 272357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * </p> 273357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * This is a hidden audio source. 274357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent * @hide 275357263da0ec2bc2be9d48c1becc3d94288c2f3edEric Laurent */ 27600a009204e51997249d60eab4f147eff566e2b1fEric Laurent @SystemApi 27700a009204e51997249d60eab4f147eff566e2b1fEric Laurent public static final int HOTWORD = 1999; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video source. These constants are used with 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoSource(int)}. 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoSource { 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoSource() {} 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 29083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** Camera video source 29183cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * <p> 292b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * Using the {@link android.hardware.Camera} API as video source. 29383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p> 29483cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA = 1; 29683cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang /** Surface video source 29783cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * <p> 29883cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * Using a Surface as video source. 29983cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p><p> 30083cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * This flag must be used when recording from an 301b942b05093d2b1cee59ac73196a4b99962f10addEino-Ville Talvala * {@link android.hardware.camera2} API source. 30283cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * </p><p> 30383cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * When using this video source type, use {@link MediaRecorder#getSurface()} 30483cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang * to retrieve the surface created by MediaRecorder. 30583cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang */ 30683cc994ba40a7227c62a65ccb5addf3a23ff6350Chong Zhang public static final int SURFACE = 2; 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the output format. These constants are used with 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setOutputFormat(int)}. 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class OutputFormat { 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OutputFormat() {} 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3GPP media file format*/ 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int THREE_GPP = 1; 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** MPEG4 media file format*/ 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4 = 2; 3232bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 324874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** The following formats are audio only .aac or .amr formats */ 325874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 326874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** 327874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong * AMR NB file format 328874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong * @deprecated Deprecated in favor of MediaRecorder.OutputFormat.AMR_NB 329874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong */ 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int RAW_AMR = 3; 331874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 3322116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR NB file format */ 3332bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_NB = 3; 334874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 3352116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR WB file format */ 3362bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 4; 337874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 3382bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AAC ADIF file format */ 3392bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADIF = 5; 340874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong 341874d1f1f65a989405b3c1f692014ef2072e09f5eJames Dong /** AAC ADTS file format */ 3422bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADTS = 6; 34357648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber 34457648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber /** @hide Stream over a socket, limited to a single stream */ 34557648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber public static final int OUTPUT_FORMAT_RTP_AVP = 7; 3469adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber 3479adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber /** @hide H.264/AAC data encapsulated in MPEG2/TS */ 3489adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber public static final int OUTPUT_FORMAT_MPEG2TS = 8; 349c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih 350c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih /** VP8/VORBIS data in a WEBM container */ 351c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int WEBM = 9; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio encoding. These constants are used with 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioEncoder(int)}. 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioEncoder { 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioEncoder() {} 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** AMR (Narrowband) audio codec */ 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int AMR_NB = 1; 3662116dc91e96f7153f65468ed40a0b57e437679f7James Dong /** AMR (Wideband) audio codec */ 3672bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 2; 368ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** AAC Low Complexity (AAC-LC) audio codec */ 3692bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC = 3; 370ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** High Efficiency AAC (HE-AAC) audio codec */ 371ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke public static final int HE_AAC = 4; 372ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke /** Enhanced Low Delay AAC (AAC-ELD) audio codec */ 373ec3f31f6215cb380bba5ab36c9e4c21b13f046a1Dave Burke public static final int AAC_ELD = 5; 374c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih /** Ogg Vorbis audio codec */ 375c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int VORBIS = 6; 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video encoding. These constants are used with 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoEncoder(int)}. 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoEncoder { 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoEncoder() {} 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H263 = 1; 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H264 = 2; 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4_SP = 3; 391c20533c1a7772f61d904fad31e3998c055c03da5Robert Shih public static final int VP8 = 4; 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio source to be used for recording. If this method is not 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. The source needs 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_source the audio source to use 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioSource 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioSource(int audio_source) 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4084bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * Gets the maximum value for audio sources. 4094bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * @see android.media.MediaRecorder.AudioSource 4104bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent */ 4112ac2afeac989ea1dc326b0db996d6c6c8e00cc29Jean-Michel Trivi public static final int getAudioSourceMax() { 412a7cc59c3187711d390c5a483d26c463a1bcbd331rago return AudioSource.UNPROCESSED; 4132ac2afeac989ea1dc326b0db996d6c6c8e00cc29Jean-Michel Trivi } 4144bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 4154bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video source to be used for recording. If this method is not 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. The source needs 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_source the video source to use 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoSource 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSource(int video_source) 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 429e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * Uses the settings from a CamcorderProfile object for recording. This method should 430e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * be called after the video AND audio sources are set, and before setOutputFile(). 431a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * If a time lapse CamcorderProfile is used, audio related source or recording 432a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * parameters are ignored. 433e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * 434e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @param profile the CamcorderProfile to use 435e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @see android.media.CamcorderProfile 436e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong */ 437e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong public void setProfile(CamcorderProfile profile) { 438e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setOutputFormat(profile.fileFormat); 439e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoFrameRate(profile.videoFrameRate); 440e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight); 441e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncodingBitRate(profile.videoBitRate); 442e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncoder(profile.videoCodec); 4434f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra if (profile.quality >= CamcorderProfile.QUALITY_TIME_LAPSE_LOW && 44433fe290ca33235d7e0988cace14de3319a9a83f1James Dong profile.quality <= CamcorderProfile.QUALITY_TIME_LAPSE_QVGA) { 445a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // Nothing needs to be done. Call to setCaptureRate() enables 446a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // time lapse video recording. 4474f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra } else { 4484f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioEncodingBitRate(profile.audioBitRate); 4494f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioChannels(profile.audioChannels); 4504f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioSamplingRate(profile.audioSampleRate); 4514f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra setAudioEncoder(profile.audioCodec); 4524f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra } 453e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong } 454e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong 455e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong /** 4564f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * Set video frame capture rate. This can be used to set a different video frame capture 457a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * rate than the recorded video's playback rate. This method also sets the recording mode 458a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * to time lapse. In time lapse video recording, only video is recorded. Audio related 459a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * parameters are ignored when a time lapse recording session starts, if an application 460a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong * sets them. 461ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra * 4624f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * @param fps Rate at which frames should be captured in frames per second. 4634f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * The fps can go as low as desired. However the fastest fps will be limited by the hardware. 4644f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * For resolutions that can be captured by the video camera, the fastest fps can be computed using 4654f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * {@link android.hardware.Camera.Parameters#getPreviewFpsRange(int[])}. For higher 4664f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * resolutions the fastest fps may be more restrictive. 4674f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * Note that the recorder cannot guarantee that frames will be captured at the 4684f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * given rate due to camera/encoder limitations. However it tries to be as close as 4694f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra * possible. 470ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra */ 4714f6bf17407bc2fe89d42537fdf5fc431c82902dbNipun Kwatra public void setCaptureRate(double fps) { 472a4d205d02c0c69fd2a783ef86747058fa00e066eJames Dong // Make sure that time lapse is enabled when this method is called. 4731c7928e8c68654d087f83c7cefc59095950b8befJohan Redestig setParameter("time-lapse-enable=1"); 474fbdee2c04b88210bab5c9a769908be42d1775e16Chong Zhang setParameter("time-lapse-fps=" + fps); 475ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra } 476ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra 477ab15bce98d44b67f221b6fb8a377744940dda46cNipun Kwatra /** 478ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * Sets the orientation hint for output video playback. 4795aa95dd36cd0708d25accd8d745ae8ebc255758fJames Dong * This method should be called before prepare(). This method will not 480ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * trigger the source video frame to rotate during video recording, but to 481ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * add a composition matrix containing the rotation angle in the output 482ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * video if the output format is OutputFormat.THREE_GPP or 483ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * OutputFormat.MPEG_4 so that a video player can choose the proper 484ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * orientation for playback. Note that some video players may choose 485ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * to ignore the compostion matrix in a video during playback. 486ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 487ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @param degrees the angle to be rotated clockwise in degrees. 488ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * The supported angles are 0, 90, 180, and 270 degrees. 489ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @throws IllegalArgumentException if the angle is not supported. 490ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 491ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong */ 492ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong public void setOrientationHint(int degrees) { 493ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong if (degrees != 0 && 494ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 90 && 495ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 180 && 496ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 270) { 497ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong throw new IllegalArgumentException("Unsupported angle: " + degrees); 498ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 4992450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-rotation-angle-degrees=" + degrees); 500ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 501ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong 502ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong /** 503af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong * Set and store the geodata (latitude and longitude) in the output file. 504987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * This method should be called before prepare(). The geodata is 505987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * stored in udta box if the output format is OutputFormat.THREE_GPP 506987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * or OutputFormat.MPEG_4, and is ignored for other output formats. 507987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * The geodata is stored according to ISO-6709 standard. 508987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 509987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @param latitude latitude in degrees. Its value must be in the 510987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * range [-90, 90]. 511987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @param longitude longitude in degrees. Its value must be in the 512987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * range [-180, 180]. 513987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 514987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * @throws IllegalArgumentException if the given latitude or 515987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * longitude is out of range. 516987ab4833ecbafbdf750eb1b04e43693433c4783James Dong * 517987ab4833ecbafbdf750eb1b04e43693433c4783James Dong */ 518af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong public void setLocation(float latitude, float longitude) { 519987ab4833ecbafbdf750eb1b04e43693433c4783James Dong int latitudex10000 = (int) (latitude * 10000 + 0.5); 520987ab4833ecbafbdf750eb1b04e43693433c4783James Dong int longitudex10000 = (int) (longitude * 10000 + 0.5); 521987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 522987ab4833ecbafbdf750eb1b04e43693433c4783James Dong if (latitudex10000 > 900000 || latitudex10000 < -900000) { 523af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong String msg = "Latitude: " + latitude + " out of range."; 524987ab4833ecbafbdf750eb1b04e43693433c4783James Dong throw new IllegalArgumentException(msg); 525987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 526987ab4833ecbafbdf750eb1b04e43693433c4783James Dong if (longitudex10000 > 1800000 || longitudex10000 < -1800000) { 527af3131fe2e20c7b5e080d098a3b6847c5414bcaeJames Dong String msg = "Longitude: " + longitude + " out of range"; 528987ab4833ecbafbdf750eb1b04e43693433c4783James Dong throw new IllegalArgumentException(msg); 529987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 530987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 531987ab4833ecbafbdf750eb1b04e43693433c4783James Dong setParameter("param-geotag-latitude=" + latitudex10000); 532987ab4833ecbafbdf750eb1b04e43693433c4783James Dong setParameter("param-geotag-longitude=" + longitudex10000); 533987ab4833ecbafbdf750eb1b04e43693433c4783James Dong } 534987ab4833ecbafbdf750eb1b04e43693433c4783James Dong 535987ab4833ecbafbdf750eb1b04e43693433c4783James Dong /** 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the format of the output file produced during recording. Call this 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setAudioSource()/setVideoSource() but before prepare(). 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5392170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * <p>It is recommended to always use 3GP format when using the H.263 5402170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * video encoder and AMR audio encoder. Using an MPEG-4 container format 5412170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * may confuse some desktop players.</p> 5422170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output_format the output format to use. The output format 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be specified before setting recording-parameters or encoders. 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after prepare() or before 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setAudioSource()/setVideoSource(). 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OutputFormat 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setOutputFormat(int output_format) 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the width and height of the video to be captured. Must be called 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the video to be captured 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the video to be captured 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat() 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSize(int width, int height) 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the frame rate of the video to be captured. Must be called 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rate the number of frames per second of video to capture 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat(). 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: On some devices that have auto-frame rate, this sets the 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * maximum frame rate, not a constant frame rate. Actual frame rate 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will vary according to lighting conditions. 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoFrameRate(int rate) throws IllegalStateException; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 581ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Sets the maximum duration (in ms) of the recording session. 582ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Call this after setOutFormat() but before prepare(). 583105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified duration, a notification 584105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 585105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 586105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 587105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 588105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 589ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 590ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param max_duration_ms the maximum duration in ms (if zero or negative, disables the duration limit) 591ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 592ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 593ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public native void setMaxDuration(int max_duration_ms) throws IllegalArgumentException; 594ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 595ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 596105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Sets the maximum filesize (in bytes) of the recording session. 597105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Call this after setOutFormat() but before prepare(). 598105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified filesize, a notification 599105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 600105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 601105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 602105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 603105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 604105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 605105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @param max_filesize_bytes the maximum filesize in bytes (if zero or negative, disables the limit) 606105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 607105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 608105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public native void setMaxFileSize(long max_filesize_bytes) throws IllegalArgumentException; 609105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 610105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio encoder to be used for recording. If this method is not 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. Call this after 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_encoder the audio encoder to use. 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare(). 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioEncoder 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioEncoder(int audio_encoder) 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video encoder to be used for recording. If this method is not 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. Call this after 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() and before prepare(). 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_encoder the video encoder to use. 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoEncoder 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoEncoder(int video_encoder) 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6370fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio sampling rate for recording. Call this method before prepare(). 6380fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether 6390fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the specified audio sampling rate is applicable. The sampling rate really depends 6400fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * on the format for the audio recording, as well as the capabilities of the platform. 6410fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * For instance, the sampling rate supported by AAC audio coding standard ranges 64254815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * from 8 to 96 kHz, the sampling rate supported by AMRNB is 8kHz, and the sampling 64354815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * rate supported by AMRWB is 16kHz. Please consult with the related audio coding 64454815a78aff9bd453a8f0ac3c02f3a35c4b04146James Dong * standard for the supported audio sampling rate. 6450fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6460fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param samplingRate the sampling rate for audio in samples per second. 6470fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6480fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioSamplingRate(int samplingRate) { 6490fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (samplingRate <= 0) { 6500fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio sampling rate is not positive"); 6510fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6522450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-sampling-rate=" + samplingRate); 6530fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6540fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6550fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6560fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the number of audio channels for recording. Call this method before prepare(). 6570fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6580fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified number of audio channels are applicable. 6592bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 6600fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param numChannels the number of audio channels. Usually it is either 1 (mono) or 2 6610fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * (stereo). 6622bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang */ 6630fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioChannels(int numChannels) { 6640fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (numChannels <= 0) { 6650fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Number of channels is not positive"); 6660fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6672450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-number-of-channels=" + numChannels); 6680fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6690fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6700fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6710fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio encoding bit rate for recording. Call this method before prepare(). 6720fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6730fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be clipped 6740fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * internally to ensure the audio recording can proceed smoothly based on the 6750fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * capabilities of the platform. 6760fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6770fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the audio encoding bit rate in bits per second. 6780fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6790fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioEncodingBitRate(int bitRate) { 6800fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 6810fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio encoding bit rate is not positive"); 6820fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6832450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-encoding-bitrate=" + bitRate); 6840fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6850fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 6860fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 6870fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the video encoding bit rate for recording. Call this method before prepare(). 6880fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 6890fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be 6900fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * clipped internally to ensure the video recording can proceed smoothly based on 6910fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the capabilities of the platform. 6920fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 6930fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the video encoding bit rate in bits per second. 6940fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 6950fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setVideoEncodingBitRate(int bitRate) { 6960fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 6970fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Video encoding bit rate is not positive"); 6980fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 6992450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-encoding-bitrate=" + bitRate); 7000fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 7012bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 7022bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** 7033ff98beeafd271a65c1f824699431366882b04f6James Dong * Currently not implemented. It does nothing. 7043ff98beeafd271a65c1f824699431366882b04f6James Dong * @deprecated Time lapse mode video recording using camera still image capture 7053ff98beeafd271a65c1f824699431366882b04f6James Dong * is not desirable, and will not be supported. 706029d7e15f38cdd3c1941a16186c5941edc85bc3dJames Dong * @hide 707b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra */ 7081fec21be65ddda46fe39c40e00d2fb94a8ce59f1Nipun Kwatra public void setAuxiliaryOutputFile(FileDescriptor fd) 709b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra { 7103ff98beeafd271a65c1f824699431366882b04f6James Dong Log.w(TAG, "setAuxiliaryOutputFile(FileDescriptor) is no longer supported."); 711b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra } 712b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 713b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra /** 7143ff98beeafd271a65c1f824699431366882b04f6James Dong * Currently not implemented. It does nothing. 7153ff98beeafd271a65c1f824699431366882b04f6James Dong * @deprecated Time lapse mode video recording using camera still image capture 7163ff98beeafd271a65c1f824699431366882b04f6James Dong * is not desirable, and will not be supported. 717029d7e15f38cdd3c1941a16186c5941edc85bc3dJames Dong * @hide 718b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra */ 7191fec21be65ddda46fe39c40e00d2fb94a8ce59f1Nipun Kwatra public void setAuxiliaryOutputFile(String path) 720b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra { 7213ff98beeafd271a65c1f824699431366882b04f6James Dong Log.w(TAG, "setAuxiliaryOutputFile(String) is no longer supported."); 722b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra } 723b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 724b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra /** 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in the file descriptor of the file to be written. Call this after 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fd an open file descriptor to be written into. 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(FileDescriptor fd) throws IllegalStateException 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = null; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = fd; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the path of the output file to be produced. Call this after 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The pathname to use. 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(String path) throws IllegalStateException 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = null; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native implementation 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _setOutputFile(FileDescriptor fd, long offset, long length) 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException, IOException; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _prepare() throws IllegalStateException, IOException; 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prepares the recorder to begin capturing and encoding data. This method 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called after setting up the desired audio and video sources, 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * encoders, file format, etc., but before start(). 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start() or before setOutputFormat(). 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IOException if prepare fails otherwise. 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void prepare() throws IllegalStateException, IOException 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPath != null) { 7690d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih RandomAccessFile file = new RandomAccessFile(mPath, "rws"); 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 7710d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih _setOutputFile(file.getFD(), 0, 0); 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 7730d5d3b7cc8b9ff142269a947443c758cb2af4684Robert Shih file.close(); 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFd != null) { 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _setOutputFile(mFd, 0, 0); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IOException("No valid output file"); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 780b33a5aea130b025f30966828562fcba56f25b265Nipun Kwatra 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _prepare(); 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Begins capturing and encoding data to the file specified with 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFile(). Call this after prepare(). 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 78842419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * <p>Since API level 13, if applications set a camera via 78942419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * {@link #setCamera(Camera)}, the apps can use the camera after this method 790528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * call. The apps do not need to lock the camera again. However, if this 791528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * method fails, the apps should still lock the camera back. The apps should 792528b084be26ff6f5b5d8cf42007bf964857be8daWu-cheng Li * not start another recording session during recording. 79342419ce28a09eb63e29a8fef87e6f5534f41902fWu-cheng Li * 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void start() throws IllegalStateException; 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops recording. Call this after start(). Once recording is stopped, 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you will have to configure it again as if it has just been constructed. 80222bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * Note that a RuntimeException is intentionally thrown to the 80322bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * application, if no valid audio/video data has been received when stop() 80422bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * is called. This happens if stop() is called immediately after 80522bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * start(). The failure lets the application take action accordingly to 80622bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * clean up the output file (delete the output file, for instance), since 80722bf7a7ea768c2cdadc5faf643aba70aebafc0d5James Dong * the output file is not properly constructed when this happens. 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before start() 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void stop() throws IllegalStateException; 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 81483995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * Pauses recording. Call this after start(). You may resume recording 81583995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * with resume() without reconfiguration, as opposed to stop(). It does 81683995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * nothing if the recording is already paused. 81783995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * 81883995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * When the recording is paused and resumed, the resulting output would 81983995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * be as if nothing happend during paused period, immediately switching 82083995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * to the resumed scene. 82183995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * 82283995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * @throws IllegalStateException if it is called before start() or after 82383995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * stop() 82483995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * {@hide} 82583995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim */ 82683995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim public native void pause() throws IllegalStateException; 82783995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim 82883995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim /** 82983995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * Resumes recording. Call this after start(). It does nothing if the 83083995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * recording is not paused. 83183995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * 83283995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * @throws IllegalStateException if it is called before start() or after 83383995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * stop() 83483995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * @see android.media.MediaRecorder#pause 83583995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim * {@hide} 83683995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim */ 83783995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim public native void resume() throws IllegalStateException; 83883995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim 83983995063178674f1cd18f32d1e7c37046680d8bdWonsik Kim /** 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Restarts the MediaRecorder to its idle state. After calling 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method, you will have to configure it again as if it had just been 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructed. 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reset() { 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_reset(); 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure none of the listeners get called anymore 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler.removeCallbacksAndMessages(null); 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_reset(); 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum absolute amplitude that was sampled since the last 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to this method. Call this only after the setAudioSource(). 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum absolute amplitude measured since the last call, or 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 0 when called for the first time 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the audio source has been set. 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getMaxAmplitude() throws IllegalStateException; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change this value without updating its counterpart 865a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * in include/media/mediarecorder.h or mediaplayer.h! 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Unspecified media recorder error. 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OnErrorListener 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MEDIA_RECORDER_ERROR_UNKNOWN = 1; 871a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong /** Media server died. In this case, the application must release the 872a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * MediaRecorder object and instantiate a new one. 873a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * @see android.media.MediaRecorder.OnErrorListener 874a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong */ 875a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong public static final int MEDIA_ERROR_SERVER_DIED = 100; 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when an error 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * occurs while recording. 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnErrorListener 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when an error occurs while recording. 8852bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mr the MediaRecorder that encountered the error 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param what the type of error that has occurred: 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #MEDIA_RECORDER_ERROR_UNKNOWN} 890a35379ae984ddb8fe067c4b115fffc5a21e565e1James Dong * <li>{@link #MEDIA_ERROR_SERVER_DIED} 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param extra an extra code, specific to the error type 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(MediaRecorder mr, int what, int extra); 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when an error occurs while 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recording. 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the callback that will be run 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnErrorListener(OnErrorListener l) 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener = l; 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 908ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 909ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * in include/media/mediarecorder.h! 910ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 911ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** Unspecified media recorder error. 912ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 913ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 914ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_UNKNOWN = 1; 915ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** A maximum duration had been setup and has now been reached. 916ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 917ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 918ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800; 919105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** A maximum filesize had been setup and has now been reached. 920105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 921105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 922105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801; 923ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 9249e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** informational events for individual tracks, for testing purpose. 9259e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * The track informational event usually contains two parts in the ext1 9269e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * arg of the onInfo() callback: bit 31-28 contains the track id; and 9279e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * the rest of the 28 bits contains the informational event defined here. 9289e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * For example, ext1 = (1 << 28 | MEDIA_RECORDER_TRACK_INFO_TYPE) if the 9299e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * track id is 1 for informational event MEDIA_RECORDER_TRACK_INFO_TYPE; 9309e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * while ext1 = (0 << 28 | MEDIA_RECORDER_TRACK_INFO_TYPE) if the track 9319e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * id is 0 for informational event MEDIA_RECORDER_TRACK_INFO_TYPE. The 9329e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * application should extract the track id and the type of informational 9339e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * event from ext1, accordingly. 9349e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * 9359e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * FIXME: 9369e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * Please update the comment for onInfo also when these 9379e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * events are unhidden so that application knows how to extract the track 9389e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * id and the informational event type from onInfo callback. 9399e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * 9409e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9419e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9429e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_LIST_START = 1000; 9439e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Signal the completion of the track for the recording session. 9449e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9459e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9469e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_COMPLETION_STATUS = 1000; 9479e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Indicate the recording progress in time (ms) during recording. 9489e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9499e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9509e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_PROGRESS_IN_TIME = 1001; 9519e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Indicate the track type: 0 for Audio and 1 for Video. 9529e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9539e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9549e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_TYPE = 1002; 9559e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the track duration information. 9569e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9579e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9589e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_DURATION_MS = 1003; 9599e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the max chunk duration in time (ms) for the given track. 9609e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9619e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9629e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_MAX_CHUNK_DUR_MS = 1004; 9639e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the total number of recordd frames. 9649e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9659e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9669e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_ENCODED_FRAMES = 1005; 9679e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the max spacing between neighboring chunks for the given track. 9689e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9699e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9709e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INTER_CHUNK_TIME_MS = 1006; 9719e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the elapsed time measuring from the start of the recording 9729e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * till the first output frame of the given track is received, excluding 9739e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * any intentional start time offset of a recording session for the 9749e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * purpose of eliminating the recording sound in the recorded file. 9759e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9769e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9779e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_INITIAL_DELAY_MS = 1007; 9789e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** Provide the start time difference (delay) betweeen this track and 9799e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * the start of the movie. 9809e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9819e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9829e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_START_OFFSET_MS = 1008; 9830f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong /** Provide the total number of data (in kilo-bytes) encoded. 9840f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong * {@hide} 9850f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong */ 9860f32fb3ecfdfaa03acf880a356629d43da3fe2feJames Dong public static final int MEDIA_RECORDER_TRACK_INFO_DATA_KBYTES = 1009; 9879e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /** 9889e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong * {@hide} 9899e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong */ 9909e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong public static final int MEDIA_RECORDER_TRACK_INFO_LIST_END = 2000; 9919e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 9929e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 993ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 994ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Interface definition for a callback to be invoked when an error 995ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * occurs while recording. 996ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 997ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public interface OnInfoListener 998ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 999ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 1000ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Called when an error occurs while recording. 10012bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 1002ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param mr the MediaRecorder that encountered the error 1003ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param what the type of error that has occurred: 1004ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <ul> 1005ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_UNKNOWN} 1006105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 1007105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 1008ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * </ul> 1009ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param extra an extra code, specific to the error type 1010ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 1011ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project void onInfo(MediaRecorder mr, int what, int extra); 1012ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 1013ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 1014ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 1015ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Register a callback to be invoked when an informational event occurs while 1016ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * recording. 1017ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 1018ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param listener the callback that will be run 1019ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 1020ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public void setOnInfoListener(OnInfoListener listener) 1021ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 1022ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener = listener; 1023ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 1024ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private MediaRecorder mMediaRecorder; 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(MediaRecorder mr, Looper looper) { 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMediaRecorder = mr; 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1034ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10379e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_LIST_START = 1; 10389e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_ERROR = 1; 10399e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_INFO = 2; 10409e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_EVENT_LIST_END = 99; 10419e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 10429e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong /* Events related to individual tracks */ 10439e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_LIST_START = 100; 10449e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_ERROR = 100; 10459e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_INFO = 101; 10469e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong private static final int MEDIA_RECORDER_TRACK_EVENT_LIST_END = 1000; 10479e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMediaRecorder.mNativeContext == 0) { 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w(TAG, "mediarecorder went away with unhandled events"); 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MEDIA_RECORDER_EVENT_ERROR: 10579e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong case MEDIA_RECORDER_TRACK_EVENT_ERROR: 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnErrorListener != null) 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener.onError(mMediaRecorder, msg.arg1, msg.arg2); 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1063ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project case MEDIA_RECORDER_EVENT_INFO: 10649e836a7d2e4bb04a9c85dcb6b1f0cef50d5fd2e1James Dong case MEDIA_RECORDER_TRACK_EVENT_INFO: 1065ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (mOnInfoListener != null) 1066ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener.onInfo(mMediaRecorder, msg.arg1, msg.arg2); 1067ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 1068ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project return; 1069ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called from native code when an interesting event happens. This method 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just uses the EventHandler system to post the event back to the main app thread. 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We use a weak reference to the original MediaRecorder object so that the native 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * code is safe from the object disappearing from underneath it. (This is 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cookie passed to native_setup().) 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object mediarecorder_ref, 10859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 10869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 10879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaRecorder mr = (MediaRecorder)((WeakReference)mediarecorder_ref).get(); 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr == null) { 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr.mEventHandler != null) { 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = mr.mEventHandler.obtainMessage(what, arg1, arg2, obj); 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mr.mEventHandler.sendMessage(m); 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases resources associated with this MediaRecorder object. 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It is good practice to call this method when you're done 110189ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * using the MediaRecorder. In particular, whenever an Activity 110289ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * of an application is paused (its onPause() method is called), 110389ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * or stopped (its onStop() method is called), this method should be 110489ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * invoked to release the MediaRecorder object, unless the application 110589ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * has a special need to keep the object around. In addition to 110689ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * unnecessary resources (such as memory and instances of codecs) 110789ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * being held, failure to call this method immediately if a 110889ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * MediaRecorder object is no longer needed may also lead to 110989ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * continuous battery consumption for mobile devices, and recording 111089ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * failure for other applications if no multiple instances of the 111189ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * same codec are supported on a device. Even if multiple instances 111289ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * of the same codec are supported, some performance degradation 111389ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * may be expected when unnecessary multiple instances are used 111489ca6983eb2be21848f5ac884a2c118f152c83e6James Dong * at the same time. 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void release(); 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11184935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen private static native final void native_init(); 11194935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen 1120788717ca599c714d58b2cb5deea1d37b4a711c07Eino-Ville Talvala private native final void native_setup(Object mediarecorder_this, 1121fa5ecdc4ac6d7a8db2bb9e4a6a60a3189025df30Svet Ganov String clientName, String opPackageName) throws IllegalStateException; 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11250fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong private native void setParameter(String nameValuePair); 11260fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { native_finalize(); } 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1130