MediaRecorder.java revision 2170312ab0b6766e8b73b806efbe6abdbb702bbc
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 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.hardware.Camera; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Surface; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileNotFoundException; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileOutputStream; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileDescriptor; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to record audio and video. The recording control is based on a 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * simple state machine (see below). 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p><img src="{@docRoot}images/mediarecorder_state_diagram.gif" border="0" /> 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>A common case of using MediaRecorder to record audio works as follows: 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre>MediaRecorder recorder = new MediaRecorder(); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioSource(MediaRecorder.AudioSource.MIC); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFile(PATH_NAME); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.prepare(); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.start(); // Recording is now started 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.stop(); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.reset(); // You can reuse the object by going back to setAudioSource() step 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.release(); // Now the object cannot be reused 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>See the <a href="{@docRoot}guide/topics/media/index.html">Audio and Video</a> 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * documentation for additional help with using MediaRecorder. 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class MediaRecorder 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.loadLibrary("media_jni"); 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static String TAG = "MediaRecorder"; 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The two fields below are accessed by native methods 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Surface mSurface; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mPath; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FileDescriptor mFd; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnErrorListener mOnErrorListener; 74ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project private OnInfoListener mOnInfoListener; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Default constructor. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MediaRecorder() { 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Native setup requires a weak reference to our object. 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It's easier to create it here than in C++. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setup(new WeakReference<MediaRecorder>(this)); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Camera to use for recording. Use this function to switch 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * quickly between preview and capture mode without a teardown of 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the camera object. Must call before prepare(). 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the Camera to use for recording 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setCamera(Camera c); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Surface to show a preview of recorded media (video). Calls this 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before prepare() to make sure that the desirable preview display is 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set. 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sv the Surface to use for the preview 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewDisplay(Surface sv) { 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurface = sv; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio source. These constants are used with 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioSource(int)}. 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioSource { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioSource() {} 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Microphone audio source */ 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MIC = 1; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video source. These constants are used with 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoSource(int)}. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoSource { 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoSource() {} 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Camera video source */ 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA = 1; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the output format. These constants are used with 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setOutputFormat(int)}. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class OutputFormat { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OutputFormat() {} 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3GPP media file format*/ 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int THREE_GPP = 1; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** MPEG4 media file format*/ 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4 = 2; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Raw AMR file format */ 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int RAW_AMR = 3; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio encoding. These constants are used with 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioEncoder(int)}. 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioEncoder { 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioEncoder() {} 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** AMR (Narrowband) audio codec */ 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int AMR_NB = 1; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //public static final AAC = 2; currently unsupported 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video encoding. These constants are used with 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoEncoder(int)}. 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoEncoder { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoEncoder() {} 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H263 = 1; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H264 = 2; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4_SP = 3; 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio source to be used for recording. If this method is not 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. The source needs 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_source the audio source to use 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioSource 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioSource(int audio_source) 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video source to be used for recording. If this method is not 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. The source needs 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_source the video source to use 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoSource 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSource(int video_source) 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the format of the output file produced during recording. Call this 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setAudioSource()/setVideoSource() but before prepare(). 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2222170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * <p>It is recommended to always use 3GP format when using the H.263 2232170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * video encoder and AMR audio encoder. Using an MPEG-4 container format 2242170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * may confuse some desktop players.</p> 2252170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output_format the output format to use. The output format 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be specified before setting recording-parameters or encoders. 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after prepare() or before 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setAudioSource()/setVideoSource(). 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OutputFormat 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setOutputFormat(int output_format) 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the width and height of the video to be captured. Must be called 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the video to be captured 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the video to be captured 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat() 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSize(int width, int height) 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the frame rate of the video to be captured. Must be called 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rate the number of frames per second of video to capture 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat(). 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: On some devices that have auto-frame rate, this sets the 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * maximum frame rate, not a constant frame rate. Actual frame rate 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will vary according to lighting conditions. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoFrameRate(int rate) throws IllegalStateException; 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 264ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Sets the maximum duration (in ms) of the recording session. 265ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Call this after setOutFormat() but before prepare(). 266105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified duration, a notification 267105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 268105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 269105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 270105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 271105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 272ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 273ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param max_duration_ms the maximum duration in ms (if zero or negative, disables the duration limit) 274ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 275ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 276ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public native void setMaxDuration(int max_duration_ms) throws IllegalArgumentException; 277ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 278ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 279105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Sets the maximum filesize (in bytes) of the recording session. 280105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Call this after setOutFormat() but before prepare(). 281105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified filesize, a notification 282105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 283105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 284105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 285105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 286105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 287105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 288105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @param max_filesize_bytes the maximum filesize in bytes (if zero or negative, disables the limit) 289105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 290105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 291105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public native void setMaxFileSize(long max_filesize_bytes) throws IllegalArgumentException; 292105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 293105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio encoder to be used for recording. If this method is not 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. Call this after 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_encoder the audio encoder to use. 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare(). 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioEncoder 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioEncoder(int audio_encoder) 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video encoder to be used for recording. If this method is not 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. Call this after 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() and before prepare(). 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_encoder the video encoder to use. 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoEncoder 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoEncoder(int video_encoder) 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in the file descriptor of the file to be written. Call this after 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fd an open file descriptor to be written into. 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(FileDescriptor fd) throws IllegalStateException 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = null; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = fd; 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the path of the output file to be produced. Call this after 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The pathname to use. 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(String path) throws IllegalStateException 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = null; 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native implementation 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _setOutputFile(FileDescriptor fd, long offset, long length) 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException, IOException; 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _prepare() throws IllegalStateException, IOException; 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prepares the recorder to begin capturing and encoding data. This method 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called after setting up the desired audio and video sources, 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * encoders, file format, etc., but before start(). 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start() or before setOutputFormat(). 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IOException if prepare fails otherwise. 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void prepare() throws IllegalStateException, IOException 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPath != null) { 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FileOutputStream fos = new FileOutputStream(mPath); 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _setOutputFile(fos.getFD(), 0, 0); 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fos.close(); 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFd != null) { 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _setOutputFile(mFd, 0, 0); 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IOException("No valid output file"); 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _prepare(); 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Begins capturing and encoding data to the file specified with 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFile(). Call this after prepare(). 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void start() throws IllegalStateException; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops recording. Call this after start(). Once recording is stopped, 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you will have to configure it again as if it has just been constructed. 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before start() 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void stop() throws IllegalStateException; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Restarts the MediaRecorder to its idle state. After calling 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method, you will have to configure it again as if it had just been 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructed. 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reset() { 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_reset(); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure none of the listeners get called anymore 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler.removeCallbacksAndMessages(null); 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_reset(); 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum absolute amplitude that was sampled since the last 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to this method. Call this only after the setAudioSource(). 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum absolute amplitude measured since the last call, or 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 0 when called for the first time 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the audio source has been set. 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getMaxAmplitude() throws IllegalStateException; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change this value without updating its counterpart 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Unspecified media recorder error. 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OnErrorListener 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MEDIA_RECORDER_ERROR_UNKNOWN = 1; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when an error 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * occurs while recording. 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnErrorListener 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when an error occurs while recording. 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mr the MediaRecorder that encountered the error 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param what the type of error that has occurred: 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #MEDIA_RECORDER_ERROR_UNKNOWN} 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param extra an extra code, specific to the error type 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(MediaRecorder mr, int what, int extra); 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when an error occurs while 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recording. 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the callback that will be run 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnErrorListener(OnErrorListener l) 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener = l; 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 458ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 459ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * in include/media/mediarecorder.h! 460ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 461ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** Unspecified media recorder error. 462ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 463ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 464ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_UNKNOWN = 1; 465ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** A maximum duration had been setup and has now been reached. 466ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 467ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 468ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800; 469105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** A maximum filesize had been setup and has now been reached. 470105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 471105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 472105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801; 473ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 474ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 475ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Interface definition for a callback to be invoked when an error 476ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * occurs while recording. 477ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 478ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public interface OnInfoListener 479ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 480ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 481ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Called when an error occurs while recording. 482ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 483ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param mr the MediaRecorder that encountered the error 484ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param what the type of error that has occurred: 485ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <ul> 486ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_UNKNOWN} 487105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 488105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 489ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * </ul> 490ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param extra an extra code, specific to the error type 491ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 492ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project void onInfo(MediaRecorder mr, int what, int extra); 493ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 494ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 495ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 496ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Register a callback to be invoked when an informational event occurs while 497ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * recording. 498ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 499ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param listener the callback that will be run 500ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 501ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public void setOnInfoListener(OnInfoListener listener) 502ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 503ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener = listener; 504ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 505ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private MediaRecorder mMediaRecorder; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(MediaRecorder mr, Looper looper) { 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMediaRecorder = mr; 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 515ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MEDIA_RECORDER_EVENT_ERROR = 1; 519ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project private static final int MEDIA_RECORDER_EVENT_INFO = 2; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMediaRecorder.mNativeContext == 0) { 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w(TAG, "mediarecorder went away with unhandled events"); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MEDIA_RECORDER_EVENT_ERROR: 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnErrorListener != null) 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener.onError(mMediaRecorder, msg.arg1, msg.arg2); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 534ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project case MEDIA_RECORDER_EVENT_INFO: 535ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (mOnInfoListener != null) 536ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener.onInfo(mMediaRecorder, msg.arg1, msg.arg2); 537ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 538ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project return; 539ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called from native code when an interesting event happens. This method 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just uses the EventHandler system to post the event back to the main app thread. 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We use a weak reference to the original MediaRecorder object so that the native 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * code is safe from the object disappearing from underneath it. (This is 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cookie passed to native_setup().) 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object mediarecorder_ref, 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaRecorder mr = (MediaRecorder)((WeakReference)mediarecorder_ref).get(); 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr == null) { 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr.mEventHandler != null) { 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = mr.mEventHandler.obtainMessage(what, arg1, arg2, obj); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mr.mEventHandler.sendMessage(m); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases resources associated with this MediaRecorder object. 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It is good practice to call this method when you're done 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * using the MediaRecorder. 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void release(); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setup(Object mediarecorder_this) throws IllegalStateException; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { native_finalize(); } 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 582