MediaRecorder.java revision 2450830c0c41a45d333838f4dcf3ba1e4a2409a2
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 19e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dongimport android.media.CamcorderProfile; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.hardware.Camera; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.view.Surface; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileNotFoundException; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileOutputStream; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.FileDescriptor; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used to record audio and video. The recording control is based on a 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * simple state machine (see below). 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p><img src="{@docRoot}images/mediarecorder_state_diagram.gif" border="0" /> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </p> 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>A common case of using MediaRecorder to record audio works as follows: 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <pre>MediaRecorder recorder = new MediaRecorder(); 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioSource(MediaRecorder.AudioSource.MIC); 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP); 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB); 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.setOutputFile(PATH_NAME); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.prepare(); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.start(); // Recording is now started 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * ... 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.stop(); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.reset(); // You can reuse the object by going back to setAudioSource() step 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recorder.release(); // Now the object cannot be reused 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </pre> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>See the <a href="{@docRoot}guide/topics/media/index.html">Audio and Video</a> 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * documentation for additional help with using MediaRecorder. 5690f8680f41525e5e5d9b811af60793a0396a32e3James Dong * <p>Note: Currently, MediaRecorder does not work on the emulator. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class MediaRecorder 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project System.loadLibrary("media_jni"); 624935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen native_init(); 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final static String TAG = "MediaRecorder"; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The two fields below are accessed by native methods 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeContext; 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Surface mSurface; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private String mPath; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private FileDescriptor mFd; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private EventHandler mEventHandler; 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OnErrorListener mOnErrorListener; 77ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project private OnInfoListener mOnInfoListener; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Default constructor. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public MediaRecorder() { 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Looper looper; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((looper = Looper.myLooper()) != null) { 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if ((looper = Looper.getMainLooper()) != null) { 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = new EventHandler(this, looper); 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler = null; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Native setup requires a weak reference to our object. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It's easier to create it here than in C++. 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setup(new WeakReference<MediaRecorder>(this)); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Camera to use for recording. Use this function to switch 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * quickly between preview and capture mode without a teardown of 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the camera object. Must call before prepare(). 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param c the Camera to use for recording 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setCamera(Camera c); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets a Surface to show a preview of recorded media (video). Calls this 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * before prepare() to make sure that the desirable preview display is 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * set. 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sv the Surface to use for the preview 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setPreviewDisplay(Surface sv) { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSurface = sv; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio source. These constants are used with 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioSource(int)}. 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioSource { 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioSource() {} 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Microphone audio source */ 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MIC = 1; 1314bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1324bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink (Tx) audio source */ 1334bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_UPLINK = 2; 1344bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1354bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call downlink (Rx) audio source */ 1364bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_DOWNLINK = 3; 1374bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 1384bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** Voice call uplink + downlink audio source */ 1394bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent public static final int VOICE_CALL = 4; 1406869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 141941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source with same orientation as camera if available, the main 142941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * device microphone otherwise */ 1436869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int CAMCORDER = 5; 1446869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi 145941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi /** Microphone audio source tuned for voice recognition if available, behaves like 146941136fd089d40a80d63fcaf99b4a0bdeb6e349cJean-Michel Trivi * {@link #DEFAULT} otherwise. */ 1476869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int VOICE_RECOGNITION = 6; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video source. These constants are used with 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoSource(int)}. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoSource { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoSource() {} 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Camera video source */ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int CAMERA = 1; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the output format. These constants are used with 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setOutputFormat(int)}. 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class OutputFormat { 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private OutputFormat() {} 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3GPP media file format*/ 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int THREE_GPP = 1; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** MPEG4 media file format*/ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4 = 2; 1782bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 1792bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** The following formats are audio only .aac or .amr formats **/ 1802bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @deprecated Deprecated in favor of AMR_NB */ 181e1a7ad23e0cefefc1e5c762a3d88179971077dccDianne Hackborn /** TODO: change link when AMR_NB is exposed. Deprecated in favor of MediaRecorder.OutputFormat.AMR_NB */ 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int RAW_AMR = 3; 1832bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AMR NB file format */ 1842bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_NB = 3; 1852bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AMR WB file format */ 1862bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 4; 1872bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AAC ADIF file format */ 1882bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADIF = 5; 1892bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AAC ADTS file format */ 1902bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_ADTS = 6; 19157648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber 19257648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber /** @hide Stream over a socket, limited to a single stream */ 19357648e4eec7dd2593af467877bc7cce4aa654759Andreas Huber public static final int OUTPUT_FORMAT_RTP_AVP = 7; 1949adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber 1959adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber /** @hide H.264/AAC data encapsulated in MPEG2/TS */ 1969adf466021d37a5062d7d3361e14bfd9e7ffeba6Andreas Huber public static final int OUTPUT_FORMAT_MPEG2TS = 8; 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the audio encoding. These constants are used with 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setAudioEncoder(int)}. 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class AudioEncoder { 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private AudioEncoder() {} 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** AMR (Narrowband) audio codec */ 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int AMR_NB = 1; 2112bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AMR (Wideband) audio codec */ 2122bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AMR_WB = 2; 2132bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide AAC audio codec */ 2142bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC = 3; 2152bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide enhanced AAC audio codec */ 2162bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int AAC_PLUS = 4; 2172bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** @hide enhanced AAC plus audio codec */ 2182bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang public static final int EAAC_PLUS = 5; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Defines the video encoding. These constants are used with 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link MediaRecorder#setVideoEncoder(int)}. 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public final class VideoEncoder { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change these values without updating their counterparts 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private VideoEncoder() {} 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int DEFAULT = 0; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H263 = 1; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int H264 = 2; 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MPEG_4_SP = 3; 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio source to be used for recording. If this method is not 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. The source needs 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_source the audio source to use 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioSource 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioSource(int audio_source) 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2504bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * Gets the maximum value for audio sources. 2514bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent * @see android.media.MediaRecorder.AudioSource 2524bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent */ 2536869df3a5db0ca0037394f0fd14aecc1d80b5b42Jean-Michel Trivi public static final int getAudioSourceMax() { return AudioSource.VOICE_RECOGNITION; } 2544bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent 2554bc035a65cac177be9294e69f110497e3b6e34e6Eric Laurent /** 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video source to be used for recording. If this method is not 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. The source needs 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to be specified before setting recording-parameters or encoders. Call 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this only before setOutputFormat(). 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_source the video source to use 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after setOutputFormat() 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoSource 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSource(int video_source) 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 269e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * Uses the settings from a CamcorderProfile object for recording. This method should 270e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * be called after the video AND audio sources are set, and before setOutputFile(). 271e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * 272e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @param profile the CamcorderProfile to use 273e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong * @see android.media.CamcorderProfile 274e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong */ 275e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong public void setProfile(CamcorderProfile profile) { 276e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setOutputFormat(profile.fileFormat); 277e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoFrameRate(profile.videoFrameRate); 278e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight); 279e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncodingBitRate(profile.videoBitRate); 280e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setAudioEncodingBitRate(profile.audioBitRate); 281e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setAudioChannels(profile.audioChannels); 282e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setAudioSamplingRate(profile.audioSampleRate); 283e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setVideoEncoder(profile.videoCodec); 284e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong setAudioEncoder(profile.audioCodec); 285e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong } 286e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong 287e64d9a236e4704abf53d3b7eea2eb066f23cf402James Dong /** 288ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * Sets the orientation hint for output video playback. 2895aa95dd36cd0708d25accd8d745ae8ebc255758fJames Dong * This method should be called before prepare(). This method will not 290ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * trigger the source video frame to rotate during video recording, but to 291ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * add a composition matrix containing the rotation angle in the output 292ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * video if the output format is OutputFormat.THREE_GPP or 293ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * OutputFormat.MPEG_4 so that a video player can choose the proper 294ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * orientation for playback. Note that some video players may choose 295ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * to ignore the compostion matrix in a video during playback. 296ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 297ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @param degrees the angle to be rotated clockwise in degrees. 298ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * The supported angles are 0, 90, 180, and 270 degrees. 299ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * @throws IllegalArgumentException if the angle is not supported. 300ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong * 301ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong */ 302ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong public void setOrientationHint(int degrees) { 303ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong if (degrees != 0 && 304ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 90 && 305ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 180 && 306ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong degrees != 270) { 307ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong throw new IllegalArgumentException("Unsupported angle: " + degrees); 308ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 3092450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-rotation-angle-degrees=" + degrees); 310ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong } 311ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong 312ad8f19c6b3167cadc90a35f4d795b07aa2f04ffaJames Dong /** 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the format of the output file produced during recording. Call this 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setAudioSource()/setVideoSource() but before prepare(). 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3162170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * <p>It is recommended to always use 3GP format when using the H.263 3172170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * video encoder and AMR audio encoder. Using an MPEG-4 container format 3182170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * may confuse some desktop players.</p> 3192170312ab0b6766e8b73b806efbe6abdbb702bbcDave Sparks * 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param output_format the output format to use. The output format 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * needs to be specified before setting recording-parameters or encoders. 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after prepare() or before 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setAudioSource()/setVideoSource(). 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OutputFormat 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setOutputFormat(int output_format) 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the width and height of the video to be captured. Must be called 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param width the width of the video to be captured 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param height the height of the video to be captured 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat() 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoSize(int width, int height) 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the frame rate of the video to be captured. Must be called 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * after setVideoSource(). Call this after setOutFormat() but before 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rate the number of frames per second of video to capture 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare() or before setOutputFormat(). 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * NOTE: On some devices that have auto-frame rate, this sets the 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * maximum frame rate, not a constant frame rate. Actual frame rate 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * will vary according to lighting conditions. 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoFrameRate(int rate) throws IllegalStateException; 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 358ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Sets the maximum duration (in ms) of the recording session. 359ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Call this after setOutFormat() but before prepare(). 360105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified duration, a notification 361105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 362105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 363105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 364105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 365105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 366ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 367ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param max_duration_ms the maximum duration in ms (if zero or negative, disables the duration limit) 368ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 369ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 370ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public native void setMaxDuration(int max_duration_ms) throws IllegalArgumentException; 371ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 372ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 373105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Sets the maximum filesize (in bytes) of the recording session. 374105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * Call this after setOutFormat() but before prepare(). 375105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * After recording reaches the specified filesize, a notification 376105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * will be sent to the {@link android.media.MediaRecorder.OnInfoListener} 377105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * with a "what" code of {@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 378105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * and recording will be stopped. Stopping happens asynchronously, there 379105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * is no guarantee that the recorder will have stopped by the time the 380105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * listener is notified. 381105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 382105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @param max_filesize_bytes the maximum filesize in bytes (if zero or negative, disables the limit) 383105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * 384105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 385105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public native void setMaxFileSize(long max_filesize_bytes) throws IllegalArgumentException; 386105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project 387105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the audio encoder to be used for recording. If this method is not 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an audio track. Call this after 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audio_encoder the audio encoder to use. 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare(). 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.AudioEncoder 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setAudioEncoder(int audio_encoder) 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the video encoder to be used for recording. If this method is not 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * called, the output file will not contain an video track. Call this after 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() and before prepare(). 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param video_encoder the video encoder to use. 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.VideoEncoder 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void setVideoEncoder(int video_encoder) 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException; 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4140fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio sampling rate for recording. Call this method before prepare(). 4150fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether 4160fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the specified audio sampling rate is applicable. The sampling rate really depends 4170fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * on the format for the audio recording, as well as the capabilities of the platform. 4180fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * For instance, the sampling rate supported by AAC audio coding standard ranges 4190fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * from 8 to 96 kHz. Please consult with the related audio coding standard for the 4200fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * supported audio sampling rate. 4210fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 4220fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param samplingRate the sampling rate for audio in samples per second. 4230fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 4240fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioSamplingRate(int samplingRate) { 4250fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (samplingRate <= 0) { 4260fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio sampling rate is not positive"); 4270fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4282450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-sampling-rate=" + samplingRate); 4290fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4300fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 4310fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 4320fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the number of audio channels for recording. Call this method before prepare(). 4330fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 4340fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified number of audio channels are applicable. 4352bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 4360fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param numChannels the number of audio channels. Usually it is either 1 (mono) or 2 4370fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * (stereo). 4382bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang */ 4390fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioChannels(int numChannels) { 4400fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (numChannels <= 0) { 4410fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Number of channels is not positive"); 4420fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4432450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-number-of-channels=" + numChannels); 4440fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4450fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 4460fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 4470fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the audio encoding bit rate for recording. Call this method before prepare(). 4480fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 4490fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be clipped 4500fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * internally to ensure the audio recording can proceed smoothly based on the 4510fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * capabilities of the platform. 4520fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 4530fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the audio encoding bit rate in bits per second. 4540fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 4550fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setAudioEncodingBitRate(int bitRate) { 4560fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 4570fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Audio encoding bit rate is not positive"); 4580fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4592450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("audio-param-encoding-bitrate=" + bitRate); 4600fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4610fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 4620fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong /** 4630fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Sets the video encoding bit rate for recording. Call this method before prepare(). 4640fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * Prepare() may perform additional checks on the parameter to make sure whether the 4650fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * specified bit rate is applicable, and sometimes the passed bitRate will be 4660fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * clipped internally to ensure the video recording can proceed smoothly based on 4670fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * the capabilities of the platform. 4680fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * 4690fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong * @param bitRate the video encoding bit rate in bits per second. 4700fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong */ 4710fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong public void setVideoEncodingBitRate(int bitRate) { 4720fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong if (bitRate <= 0) { 4730fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong throw new IllegalArgumentException("Video encoding bit rate is not positive"); 4740fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4752450830c0c41a45d333838f4dcf3ba1e4a2409a2Henrik Backlund setParameter("video-param-encoding-bitrate=" + bitRate); 4760fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong } 4772bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang 4782bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang /** 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Pass in the file descriptor of the file to be written. Call this after 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param fd an open file descriptor to be written into. 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(FileDescriptor fd) throws IllegalStateException 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = null; 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = fd; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the path of the output file to be produced. Call this after 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() but before prepare(). 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param path The pathname to use. 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFormat() or after prepare() 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOutputFile(String path) throws IllegalStateException 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mFd = null; 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPath = path; 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native implementation 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _setOutputFile(FileDescriptor fd, long offset, long length) 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException, IOException; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void _prepare() throws IllegalStateException, IOException; 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Prepares the recorder to begin capturing and encoding data. This method 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * must be called after setting up the desired audio and video sources, 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * encoders, file format, etc., but before start(). 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called after 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * start() or before setOutputFormat(). 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IOException if prepare fails otherwise. 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void prepare() throws IllegalStateException, IOException 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPath != null) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project FileOutputStream fos = new FileOutputStream(mPath); 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _setOutputFile(fos.getFD(), 0, 0); 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } finally { 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project fos.close(); 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mFd != null) { 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _setOutputFile(mFd, 0, 0); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IOException("No valid output file"); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project _prepare(); 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Begins capturing and encoding data to the file specified with 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * setOutputFile(). Call this after prepare(). 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * prepare(). 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void start() throws IllegalStateException; 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops recording. Call this after start(). Once recording is stopped, 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you will have to configure it again as if it has just been constructed. 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before start() 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void stop() throws IllegalStateException; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Restarts the MediaRecorder to its idle state. After calling 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this method, you will have to configure it again as if it had just been 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructed. 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reset() { 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_reset(); 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // make sure none of the listeners get called anymore 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEventHandler.removeCallbacksAndMessages(null); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native void native_reset(); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum absolute amplitude that was sampled since the last 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * call to this method. Call this only after the setAudioSource(). 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum absolute amplitude measured since the last call, or 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 0 when called for the first time 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException if it is called before 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the audio source has been set. 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native int getMaxAmplitude() throws IllegalStateException; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* Do not change this value without updating its counterpart 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Unspecified media recorder error. 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see android.media.MediaRecorder.OnErrorListener 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MEDIA_RECORDER_ERROR_UNKNOWN = 1; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Interface definition for a callback to be invoked when an error 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * occurs while recording. 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface OnErrorListener 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called when an error occurs while recording. 5952bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mr the MediaRecorder that encountered the error 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param what the type of error that has occurred: 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>{@link #MEDIA_RECORDER_ERROR_UNKNOWN} 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param extra an extra code, specific to the error type 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onError(MediaRecorder mr, int what, int extra); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Register a callback to be invoked when an error occurs while 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * recording. 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param l the callback that will be run 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void setOnErrorListener(OnErrorListener l) 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener = l; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 617ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 618ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * in include/media/mediarecorder.h! 619ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 620ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** Unspecified media recorder error. 621ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 622ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 623ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_UNKNOWN = 1; 624ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** A maximum duration had been setup and has now been reached. 625ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 626ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 627ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_DURATION_REACHED = 800; 628105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** A maximum filesize had been setup and has now been reached. 629105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * @see android.media.MediaRecorder.OnInfoListener 630105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 631105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project public static final int MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED = 801; 632ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 633ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 634ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Interface definition for a callback to be invoked when an error 635ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * occurs while recording. 636ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 637ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public interface OnInfoListener 638ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 639ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 640ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Called when an error occurs while recording. 6412bcda90c0234f67f210a96f195b355493ca7d1ffJianhong Jiang * 642ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param mr the MediaRecorder that encountered the error 643ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param what the type of error that has occurred: 644ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <ul> 645ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_UNKNOWN} 646105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_DURATION_REACHED} 647105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project * <li>{@link #MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED} 648ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * </ul> 649ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param extra an extra code, specific to the error type 650ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 651ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project void onInfo(MediaRecorder mr, int what, int extra); 652ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 653ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 654ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /** 655ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * Register a callback to be invoked when an informational event occurs while 656ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * recording. 657ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * 658ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project * @param listener the callback that will be run 659ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project */ 660ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project public void setOnInfoListener(OnInfoListener listener) 661ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project { 662ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener = listener; 663ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project } 664ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private class EventHandler extends Handler 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private MediaRecorder mMediaRecorder; 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public EventHandler(MediaRecorder mr, Looper looper) { 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(looper); 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMediaRecorder = mr; 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 674ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project /* Do not change these values without updating their counterparts 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * in include/media/mediarecorder.h! 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int MEDIA_RECORDER_EVENT_ERROR = 1; 678ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project private static final int MEDIA_RECORDER_EVENT_INFO = 2; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMediaRecorder.mNativeContext == 0) { 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.w(TAG, "mediarecorder went away with unhandled events"); 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(msg.what) { 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MEDIA_RECORDER_EVENT_ERROR: 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mOnErrorListener != null) 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mOnErrorListener.onError(mMediaRecorder, msg.arg1, msg.arg2); 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 693ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project case MEDIA_RECORDER_EVENT_INFO: 694ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project if (mOnInfoListener != null) 695ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project mOnInfoListener.onInfo(mMediaRecorder, msg.arg1, msg.arg2); 696ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 697ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project return; 698ba87e3e6c985e7175152993b5efcc7dd2f0e1c93The Android Open Source Project 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Unknown message type " + msg.what); 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called from native code when an interesting event happens. This method 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * just uses the EventHandler system to post the event back to the main app thread. 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * We use a weak reference to the original MediaRecorder object so that the native 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * code is safe from the object disappearing from underneath it. (This is 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cookie passed to native_setup().) 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object mediarecorder_ref, 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MediaRecorder mr = (MediaRecorder)((WeakReference)mediarecorder_ref).get(); 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr == null) { 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mr.mEventHandler != null) { 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Message m = mr.mEventHandler.obtainMessage(what, arg1, arg2, obj); 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mr.mEventHandler.sendMessage(m); 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases resources associated with this MediaRecorder object. 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * It is good practice to call this method when you're done 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * using the MediaRecorder. 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public native void release(); 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7344935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen private static native final void native_init(); 7354935d05eaa306cef88cf0ab13eca386f270409ecMarco Nelissen 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setup(Object mediarecorder_this) throws IllegalStateException; 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7400fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong private native void setParameter(String nameValuePair); 7410fc6bc4cac6391f048f0f2748b3e979effe0924bJames Dong 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { native_finalize(); } 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 745