AudioTrack.java revision f19395db6343efdf80d064e0ba7c3b9aa4dbae75
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 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 java.lang.ref.WeakReference; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 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 Project 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The AudioTrack class manages and plays a single audio resource for Java applications. 295c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * It allows streaming PCM audio buffers to the audio hardware for playback. This is 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * achieved by "pushing" the data to the AudioTrack object using one of the 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #write(byte[], int, int)} and {@link #write(short[], int, int)} methods. 3288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 33ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <p>An AudioTrack instance can operate under two modes: static or streaming.<br> 34ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * In Streaming mode, the application writes a continuous stream of data to the AudioTrack, using 3588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * one of the {@code write()} methods. These are blocking and return when the data has been 3688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * transferred from the Java layer to the native layer and queued for playback. The streaming 3788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * mode is most useful when playing blocks of audio data that for instance are: 3888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the duration of the sound to play,</li> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the characteristics of the audio data 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (high sampling rate, bits per sample ...)</li> 43ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <li>received or generated while previously queued audio is playing.</li> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 4588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 465c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * The static mode should be chosen when dealing with short sounds that fit in memory and 4788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * that need to be played with the smallest latency possible. The static mode will 4888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * therefore be preferred for UI and game sounds that are played often, and with the 4988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * smallest overhead possible. 5088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Upon creation, an AudioTrack object initializes its associated audio buffer. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The size of this buffer, specified during the construction, determines how long an AudioTrack 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can play before running out of data.<br> 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For an AudioTrack using the static mode, this size is the maximum size of the sound that can 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be played from it.<br> 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For the streaming mode, data will be written to the hardware in chunks of 575c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * sizes less than or equal to the total buffer size. 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class AudioTrack 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constants 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Minimum value for a channel volume */ 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final float VOLUME_MIN = 0.0f; 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Maximum value for a channel volume */ 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final float VOLUME_MAX = 1.0f; 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 69ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Minimum value for sample rate */ 70ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MIN = 4000; 71ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Maximum value for sample rate */ 72ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MAX = 48000; 73ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten 74ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is stopped */ 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_STOPPED = 1; // matches SL_PLAYSTATE_STOPPED 76ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is paused */ 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PAUSED = 2; // matches SL_PLAYSTATE_PAUSED 78ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is playing */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PLAYING = 3; // matches SL_PLAYSTATE_PLAYING 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 815c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // keep these values in sync with android_media_AudioTrack.cpp 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is transferred from Java to the native layer 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * only once before the audio starts playing. 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STATIC = 0; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is streamed from Java to the native layer 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as the audio is playing. 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STREAM = 1; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 94ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * State of an AudioTrack that was not successfully initialized upon creation. 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_UNINITIALIZED = 0; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of an AudioTrack that is ready to be used. 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_INITIALIZED = 1; 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of a successfully initialized AudioTrack that uses static data, 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but that hasn't received that data yet. 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_NO_STATIC_DATA = 2; 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Error codes: 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to keep in sync with frameworks/base/core/jni/android_media_AudioTrack.cpp 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a successful operation. 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int SUCCESS = 0; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a generic operation failure. 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ERROR = -1; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the use of an invalid value. 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ERROR_BAD_VALUE = -2; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the improper use of a method. 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ERROR_INVALID_OPERATION = -3; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_AUDIOSYSTEM = -16; 127a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private static final int ERROR_NATIVESETUP_INVALIDCHANNELMASK = -17; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDFORMAT = -18; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDSTREAMTYPE = -19; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_NATIVEINITFAILED = -20; 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Events: 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to keep in sync with frameworks/base/include/media/AudioTrack.h 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 135ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when playback head has reached a previously set marker. 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_MARKER = 3; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 139ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when previously set update period has elapsed during playback. 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_NEW_POS = 4; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1431f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten private final static String TAG = "android.media.AudioTrack"; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Member variables 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 150ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the state of the AudioTrack instance. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mState = STATE_UNINITIALIZED; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 154ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the play state of the AudioTrack instance. 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mPlayState = PLAYSTATE_STOPPED; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Lock to make sure mPlayState updates are reflecting the actual state of the object. 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Object mPlayStateLock = new Object(); 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Size of the native audio buffer. 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeBufferSizeInBytes = 0; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 166ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Handler for marker events coming from the native code. 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten private NativeEventHandlerDelegate mEventHandlerDelegate; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 170ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Looper associated with the thread that creates the AudioTrack instance. 171105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 172b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten private final Looper mInitializationLooper; 173105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The audio data sampling rate in Hz. 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1765c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten private int mSampleRate; // initialized by all constructors 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1783026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent * The number of audio output channels (1 is mono, 2 is stereo). 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChannelCount = 1; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1823026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent * The audio channel mask. 1833026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent */ 1843026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent private int mChannels = AudioFormat.CHANNEL_OUT_MONO; 1853026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 1863026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent /** 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The type of the audio stream to play. See 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 1895c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 190b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_ALARM}, {@link AudioManager#STREAM_NOTIFICATION}, and 191b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_DTMF}. 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mStreamType = AudioManager.STREAM_MUSIC; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The way audio is consumed by the hardware, streaming or static. 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDataLoadMode = MODE_STREAM; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 199ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * The current audio channel configuration. 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 201a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private int mChannelConfiguration = AudioFormat.CHANNEL_OUT_MONO; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The encoding of the audio samples. 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_8BIT 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_16BIT 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; 208619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 209619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Audio session ID 210619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 211619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent private int mSessionId = 0; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------- 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used exclusively by native code 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 218ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Accessed by native methods: provides access to C++ AudioTrack object. 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeTrackInJavaObj; 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Accessed by native methods: provides access to the JNI data (i.e. resources used by 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the native AudioTrack object, but not stored in it). 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mJniData; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constructor, Finalize 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Class constructor. 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param streamType the type of the audio stream. See 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2375c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 2385c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 2395c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * @param sampleRateInHz the sample rate expressed in Hertz. 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param channelConfig describes the configuration of the audio channels. 241a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 242a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioFormat the format in which the audio data is represented. 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See {@link AudioFormat#ENCODING_PCM_16BIT} and 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioFormat#ENCODING_PCM_8BIT} 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * from for playback. If using the AudioTrack in streaming mode, you can write data into 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this is the maximum size of the sound that will be played for this instance. 250ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 251ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for the successful creation of an AudioTrack instance in streaming mode. Using values 252ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * smaller than getMinBufferSize() will result in an initialization failure. 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws java.lang.IllegalArgumentException 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bufferSizeInBytes, int mode) 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalArgumentException { 259619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent this(streamType, sampleRateInHz, channelConfig, audioFormat, 260619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent bufferSizeInBytes, mode, 0); 261619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 262619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 263619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 264619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Class constructor with audio session. Use this constructor when the AudioTrack must be 265619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * attached to a particular audio session. The primary use of the audio session ID is to 266619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * associate audio effects to a particular instance of AudioTrack: if an audio session ID 267619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * is provided when creating an AudioEffect, this effect will be applied only to audio tracks 268619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * and media players in the same session and not to the output mix. 269619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * When an AudioTrack is created without specifying a session, it will create its own session 270619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * which can be retreived by calling the {@link #getAudioSessionId()} method. 2715c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * If a non-zero session ID is provided, this AudioTrack will share effects attached to this 2725c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * session 2735c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * with all other media players or audio tracks in the same session, otherwise a new session 2745c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * will be created for this track if none is supplied. 275619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param streamType the type of the audio stream. See 276619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2775c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 2785c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 2795c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * @param sampleRateInHz the sample rate expressed in Hertz. 280619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param channelConfig describes the configuration of the audio channels. 281619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 282619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 283619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param audioFormat the format in which the audio data is represented. 284619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#ENCODING_PCM_16BIT} and 285619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioFormat#ENCODING_PCM_8BIT} 286619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 287619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * from for playback. If using the AudioTrack in streaming mode, you can write data into 288619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 289619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this is the maximum size of the sound that will be played for this instance. 290619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 291619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * for the successful creation of an AudioTrack instance in streaming mode. Using values 292619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * smaller than getMinBufferSize() will result in an initialization failure. 293619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 294619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param sessionId Id of audio session the AudioTrack must be attached to 295619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @throws java.lang.IllegalArgumentException 296619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 297619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 298619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int bufferSizeInBytes, int mode, int sessionId) 299619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent throws IllegalArgumentException { 300a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // mState already == STATE_UNINITIALIZED 3015c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten 3025c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // remember which looper is associated with the AudioTrack instantiation 303b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten Looper looper; 304b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten if ((looper = Looper.myLooper()) == null) { 305b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten looper = Looper.getMainLooper(); 306105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 307b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten mInitializationLooper = looper; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioParamCheck(streamType, sampleRateInHz, channelConfig, audioFormat, mode); 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffSizeCheck(bufferSizeInBytes); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 313619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent if (sessionId < 0) { 314f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio session ID: "+sessionId); 315619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 316619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 317619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int[] session = new int[1]; 318619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent session[0] = sessionId; 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native initialization 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initResult = native_setup(new WeakReference<AudioTrack>(this), 3213026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mStreamType, mSampleRate, mChannels, mAudioFormat, 322619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mNativeBufferSizeInBytes, mDataLoadMode, session); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initResult != SUCCESS) { 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("Error code "+initResult+" when initializing AudioTrack."); 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // with mState == STATE_UNINITIALIZED 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 328619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mSessionId = session[0]; 329619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataLoadMode == MODE_STATIC) { 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_NO_STATIC_DATA; 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_INITIALIZED; 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3371b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // mask of all the channels supported by this implementation 3381b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi private static final int SUPPORTED_OUT_CHANNELS = 3391b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | 3401b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_RIGHT | 3411b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_CENTER | 3421b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_LOW_FREQUENCY | 3431b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | 3441b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_RIGHT | 3451b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_CENTER; 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Convenience method for the constructor's parameter checks. 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is where constructor IllegalArgumentException-s are thrown 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postconditions: 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mStreamType is valid 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 3523026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent // mChannels is valid 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSampleRate is valid 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mDataLoadMode is valid 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioParamCheck(int streamType, int sampleRateInHz, 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelConfig, int audioFormat, int mode) { 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stream type 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if( (streamType != AudioManager.STREAM_ALARM) && (streamType != AudioManager.STREAM_MUSIC) 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_RING) && (streamType != AudioManager.STREAM_SYSTEM) 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_VOICE_CALL) 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_NOTIFICATION) 365a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent && (streamType != AudioManager.STREAM_BLUETOOTH_SCO) 366a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent && (streamType != AudioManager.STREAM_DTMF)) { 367f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid stream type."); 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mStreamType = streamType; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 3735c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( (sampleRateInHz < 4000) || (sampleRateInHz > 48000) ) { 375f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException(sampleRateInHz 376f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten + "Hz is not a supported sample rate."); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSampleRate = sampleRateInHz; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // channel config 3833026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannelConfiguration = channelConfig; 3843026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (channelConfig) { 3863026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_OUT_DEFAULT: //AudioFormat.CHANNEL_CONFIGURATION_DEFAULT 387a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 3883026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 1; 3903026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_MONO; 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 392a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 3933026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 2; 3953026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_STEREO; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 398d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if (!isMultichannelConfigSupported(channelConfig)) { 3991b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 4001b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi mChannelCount = 0; 4011b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi mChannels = AudioFormat.CHANNEL_INVALID; 4021b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi mChannelConfiguration = AudioFormat.CHANNEL_INVALID; 403f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported channel configuration."); 4041b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } else { 4051b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi mChannels = channelConfig; 4061b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi mChannelCount = Integer.bitCount(channelConfig); 4071b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio format 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (audioFormat) { 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_DEFAULT: 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_PCM_16BIT: 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_PCM_8BIT: 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioFormat = audioFormat; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioFormat = AudioFormat.ENCODING_INVALID; 422f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported sample encoding." 423f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT."); 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio load mode 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( (mode != MODE_STREAM) && (mode != MODE_STATIC) ) { 429f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid mode."); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mDataLoadMode = mode; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 435d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi /** 436d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * Convenience method to check that the channel configuration (a.k.a channel mask) is supported 437d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @param channelConfig the mask to validate 438d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @return false if the AudioTrack can't be used with such a mask 439d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi */ 440d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi private static boolean isMultichannelConfigSupported(int channelConfig) { 441d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported channels 442d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 4431f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Channel configuration features unsupported channels"); 444d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 445d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 446d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported multichannel combinations: 447d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - FL/FR must be present 448d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - L/R channels must be paired (e.g. no single L channel) 449d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int frontPair = 450d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | AudioFormat.CHANNEL_OUT_FRONT_RIGHT; 451d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & frontPair) != frontPair) { 4521f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Front channels must be present in multichannel configurations"); 453d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 454d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 455d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int backPair = 456d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | AudioFormat.CHANNEL_OUT_BACK_RIGHT; 457d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != 0) { 458d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != backPair) { 4591f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Rear channels can't be used independently"); 460d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 461d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 462d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 463d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return true; 464d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 465d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Convenience method for the contructor's audio buffer size check. 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // preconditions: 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postcondition: 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeBufferSizeInBytes is valid (multiple of frame size, positive) 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioBuffSizeCheck(int audioBufferSize) { 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NB: this section is only valid with PCM data. 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // To update when supporting compressed formats 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameSizeInBytes = mChannelCount 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (mAudioFormat == AudioFormat.ENCODING_PCM_8BIT ? 1 : 2); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) { 479f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio buffer size."); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeBufferSizeInBytes = audioBufferSize; 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the native AudioTrack resources. 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void release() { 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // even though native_release() stops the native AudioTrack, we need to stop 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // AudioTrack subclasses too. 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 494fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } catch(IllegalStateException ise) { 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't raise an exception, we're releasing the resources. 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_UNINITIALIZED; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_finalize(); 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Getters 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the minimum valid volume value. Volume values set under this one will 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be clamped at this value. 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the minimum volume expressed as a linear attenuation. 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMinVolume() { 515df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return VOLUME_MIN; 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum valid volume value. Volume values set above this one will 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be clamped at this value. 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum volume expressed as a linear attenuation. 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMaxVolume() { 524df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return VOLUME_MAX; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data sample rate in Hz 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSampleRate() { 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSampleRate; 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 533fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 53588e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * Returns the current playback rate in Hz. 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackRate() { 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_playback_rate(); 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data format. See {@link AudioFormat#ENCODING_PCM_16BIT} 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link AudioFormat#ENCODING_PCM_8BIT}. 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getAudioFormat() { 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAudioFormat; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the type of audio stream this AudioTrack is configured for. 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compare the result against {@link AudioManager#STREAM_VOICE_CALL}, 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_SYSTEM}, {@link AudioManager#STREAM_RING}, 5535c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_MUSIC}, {@link AudioManager#STREAM_ALARM}, 554b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_NOTIFICATION}, or {@link AudioManager#STREAM_DTMF}. 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getStreamType() { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured channel configuration. 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 563a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} 564a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * and {@link AudioFormat#CHANNEL_OUT_STEREO}. 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelConfiguration() { 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelConfiguration; 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured number of channels. 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelCount() { 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the state of the AudioTrack instance. This is useful after the 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AudioTrack instance has been created to check if it was initialized 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * properly. This ensures that the appropriate hardware resources have been 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * acquired. 582ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_INITIALIZED 583ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_NO_STATIC_DATA 584ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_UNINITIALIZED 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getState() { 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the playback state of the AudioTrack instance. 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_STOPPED 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PAUSED 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PLAYING 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlayState() { 59706e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath synchronized (mPlayStateLock) { 59806e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath return mPlayState; 59906e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath } 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 603ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns the native frame count used by the hardware. 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getNativeFrameCount() { 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_native_frame_count(); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 610ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns marker position expressed in frames. 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNotificationMarkerPosition() { 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_marker_pos(); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 617ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns the notification update period expressed in frames. 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPositionNotificationPeriod() { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_pos_update_period(); 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 624ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns the playback head position expressed in frames 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackHeadPosition() { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_position(); 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the hardware output sample rate 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getNativeOutputSampleRate(int streamType) { 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_output_sample_rate(streamType); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 636fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the minimum buffer size required for the successful creation of an AudioTrack 639ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * object to be created in the {@link #MODE_STREAM} mode. Note that this size doesn't 640ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * guarantee a smooth playback under load, and higher values should be chosen according to 641fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * the expected frequency at which the buffer will be refilled with additional data to play. 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sampleRateInHz the sample rate expressed in Hertz. 643fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param channelConfig describes the configuration of the audio channels. 644a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 645a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 646fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param audioFormat the format in which the audio data is represented. 647fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT} and 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioFormat#ENCODING_PCM_8BIT} 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #ERROR_BAD_VALUE} if an invalid parameter was passed, 650fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * or {@link #ERROR} if the implementation was unable to query the hardware for its output 651fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * properties, 652ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * or the minimum buffer size expressed in bytes. 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) { 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelCount = 0; 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(channelConfig) { 657a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 6583026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 1; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 661a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 6623026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 2; 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 6661b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 6671b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 6681b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi loge("getMinBufferSize(): Invalid channel configuration."); 669df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 6701b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } else { 6711b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi channelCount = Integer.bitCount(channelConfig); 6721b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 674fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 675fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ((audioFormat != AudioFormat.ENCODING_PCM_16BIT) 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (audioFormat != AudioFormat.ENCODING_PCM_8BIT)) { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): Invalid audio format."); 678df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 680fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 6815c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 682ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten if ( (sampleRateInHz < SAMPLE_RATE_HZ_MIN) || (sampleRateInHz > SAMPLE_RATE_HZ_MAX) ) { 683ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten loge("getMinBufferSize(): " + sampleRateInHz + " Hz is not a supported sample rate."); 684df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 686fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = native_get_min_buff_size(sampleRateInHz, channelCount, audioFormat); 688a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (size <= 0) { 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): error querying hardware"); 690df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR; 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 697619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 698619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Returns the audio session ID. 699619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * 700619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @return the ID of the audio session this AudioTrack belongs to. 701619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 702619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public int getAudioSessionId() { 703619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent return mSessionId; 704619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Initialization / configuration 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7104df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the listener the AudioTrack notifies when a previously set marker is reached or 7114df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * for each periodic playback head position update. 712ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Notifications will be received in the same thread as the one in which the AudioTrack 713ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * instance was created. 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7164df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener) { 7174df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project setPlaybackPositionUpdateListener(listener, null); 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 720ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** 721ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the listener the AudioTrack notifies when a previously set marker is reached or 722ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for each periodic playback head position update. 723ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Use this method to receive AudioTrack events in the Handler associated with another 724ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * thread than the one in which you created the AudioTrack instance. 725ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param listener 726ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param handler the Handler that will receive the event notification messages. 727ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi */ 728fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener, 7294df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler handler) { 7304df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 73195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = new NativeEventHandlerDelegate(this, listener, handler); 73295bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } else { 73395bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = null; 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7384df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the specified left/right output volume values on the AudioTrack. Values are clamped 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the ({@link #getMinVolume()}, {@link #getMaxVolume()}) interval if outside this range. 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param leftVolume output attenuation for the left channel. A value of 0.0f is silence, 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a value of 1.0f is no attenuation. 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rightVolume output attenuation for the right channel 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setStereoVolume(float leftVolume, float rightVolume) { 7493b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clamp the volumes 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (leftVolume < getMinVolume()) { 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftVolume = getMinVolume(); 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (leftVolume > getMaxVolume()) { 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftVolume = getMaxVolume(); 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rightVolume < getMinVolume()) { 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightVolume = getMinVolume(); 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rightVolume > getMaxVolume()) { 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightVolume = getMaxVolume(); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setVolume(leftVolume, rightVolume); 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SUCCESS; 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 774068225de0197df07a0247b2877666ea91c22c992Glenn Kasten * Similar, except set volume of all channels to same value. 775068225de0197df07a0247b2877666ea91c22c992Glenn Kasten * @hide 776068225de0197df07a0247b2877666ea91c22c992Glenn Kasten */ 777068225de0197df07a0247b2877666ea91c22c992Glenn Kasten public int setVolume(float volume) { 778068225de0197df07a0247b2877666ea91c22c992Glenn Kasten return setStereoVolume(volume, volume); 779068225de0197df07a0247b2877666ea91c22c992Glenn Kasten } 780068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 781068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 782068225de0197df07a0247b2877666ea91c22c992Glenn Kasten /** 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the playback sample rate for this track. This sets the sampling rate at which 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the audio data will be consumed and played back, not the original sampling rate of the 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * content. Setting it to half the sample rate of the content will cause the playback to 78688e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * last twice as long, but will also result in a negative pitch shift. 7875c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * The valid sample rate range is from 1Hz to twice the value returned by 78888e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * {@link #getNativeOutputSampleRate(int)}. 789ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param sampleRateInHz the sample rate expressed in Hz 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackRate(int sampleRateInHz) { 794f19395db6343efdf80d064e0ba7c3b9aa4dbae75Glenn Kasten if (mState != STATE_INITIALIZED) { 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRateInHz <= 0) { 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 80088e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return native_set_playback_rate(sampleRateInHz); 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 805ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the position of the notification marker. 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param markerInFrames marker in frames 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setNotificationMarkerPosition(int markerInFrames) { 8113b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_marker_pos(markerInFrames); 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 819ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the period for the periodic notification event. 820ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param periodInFrames update period expressed in frames 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_INVALID_OPERATION} 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPositionNotificationPeriod(int periodInFrames) { 8243b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_pos_update_period(periodInFrames); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 832a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Sets the playback head position. 833a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * The track must be stopped or paused for the position to be changed, 834a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 835ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param positionInFrames playback head position expressed in frames 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackHeadPosition(int positionInFrames) { 840a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED || 841a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 842a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ERROR_INVALID_OPERATION; 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 844a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return native_set_position(positionInFrames); 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the loop points and the loop count. The loop can be infinite. 849a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Similarly to setPlaybackHeadPosition, 850a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * the track must be stopped or paused for the position to be changed, 851a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 852ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param startInFrames loop start marker expressed in frames 853ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param endInFrames loop end marker expressed in frames 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param loopCount the number of times the loop is looped. 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A value of -1 means infinite looping. 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setLoopPoints(int startInFrames, int endInFrames, int loopCount) { 860a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED || 861a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_loop(startInFrames, endInFrames, loopCount); 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the initialization state of the instance. To be used in an AudioTrack subclass 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * constructor to set a subclass-specific post-initialization state. 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param state the state of the AudioTrack instance 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setState(int state) { 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Transport control methods 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Starts playing an AudioTrack. 88288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void play() 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 888f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("play() called on uninitialized AudioTrack."); 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_start(); 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PLAYING; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops playing the audio data. 899a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * When used on an instance created in {@link #MODE_STREAM} mode, audio will stop playing 900a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * after the last buffer that was written has been played. For an immediate stop, use 901a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * {@link #pause()}, followed by {@link #flush()} to discard audio data that hasn't been played 902a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * back yet. 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void stop() 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 908f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("stop() called on uninitialized AudioTrack."); 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stop playing 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_stop(); 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_STOPPED; 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 91988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Pauses the playback of the audio data. Data that has not been played 92088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * back will not be discarded. Subsequent calls to {@link #play} will play 921a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * this data back. See {@link #flush()} to discard this data. 92288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void pause() 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 928f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("pause() called on uninitialized AudioTrack."); 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("pause()"); 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pause playback 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_pause(); 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PAUSED; 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Audio data supply 9429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 94588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Flushes the audio data currently queued for playback. Any data that has 94688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * not been played back will be discarded. 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void flush() { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_INITIALIZED) { 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // flush the data in native layer 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_flush(); 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 95788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Writes the audio data to the audio hardware for playback. Will block until 95888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * all data has been written to the audio mixer. 95988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 96088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 96188bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * in which case all of the specified data might not be written to the mixer. 96288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 96488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * @param offsetInBytes the offset expressed in bytes in audioData where the data to play 965ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sizeInBytes the number of bytes to read in audioData after the offset. 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes that were written or {@link #ERROR_INVALID_OPERATION} 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the parameters don't resolve to valid data and indexes. 9709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9725c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten public int write(byte[] audioData, int offsetInBytes, int sizeInBytes) { 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 974a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mState == STATE_UNINITIALIZED) { 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 978fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInBytes < 0 ) || (sizeInBytes < 0) 979a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInBytes + sizeInBytes < 0) // detect integer overflow 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInBytes + sizeInBytes > audioData.length)) { 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 984a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten int ret = native_write_byte(audioData, offsetInBytes, sizeInBytes, mAudioFormat); 985a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 986a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 987a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 988a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 989a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 990a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 991a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 992a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 993a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 99888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Writes the audio data to the audio hardware for playback. Will block until 99988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * all data has been written to the audio mixer. 100088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 100188bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 100288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * in which case all of the specified data might not be written to the mixer. 100388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 1005ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param offsetInShorts the offset expressed in shorts in audioData where the data to play 1006ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sizeInShorts the number of bytes to read in audioData after the offset. 10089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of shorts that were written or {@link #ERROR_INVALID_OPERATION} 10099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the parameters don't resolve to valid data and indexes. 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int write(short[] audioData, int offsetInShorts, int sizeInShorts) { 1014fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1015a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mState == STATE_UNINITIALIZED) { 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1019fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInShorts < 0 ) || (sizeInShorts < 0) 1020a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInShorts + sizeInShorts < 0) // detect integer overflow 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInShorts + sizeInShorts > audioData.length)) { 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1025a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten int ret = native_write_short(audioData, offsetInShorts, sizeInShorts, mAudioFormat); 1026a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1027a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1028a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1029a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1030a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1031a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1032a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1033a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1034a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notifies the native resource to reuse the audio data already loaded in the native 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * layer. This call is only valid with AudioTrack instances that don't use the streaming 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * model. 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int reloadStaticData() { 1046a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED) { 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_reload_static(); 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10527070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------------------------------------------------------------- 10537070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent // Audio effects management 10547070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------- 10557070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 10567070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 10571a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * Attaches an auxiliary effect to the audio track. A typical auxiliary 10581a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * effect is a reverberation effect which can be applied on any sound source 10591a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * that directs a certain amount of its energy to this effect. This amount 10601a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * is defined by setAuxEffectSendLevel(). 10617070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@see #setAuxEffectSendLevel(float)}. 10621a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>After creating an auxiliary effect (e.g. 10631a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.EnvironmentalReverb}), retrieve its ID with 10641a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.AudioEffect#getId()} and use it when calling 10657070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method to attach the audio track to the effect. 10661a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>To detach the effect from the audio track, call this method with a 10671a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * null effect id. 10687070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 10697070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @param effectId system wide unique id of the effect to attach 10707070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 10717070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR_BAD_VALUE} 10727070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 10737070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int attachAuxEffect(int effectId) { 10743b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 10757070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 10767070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 10777070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return native_attachAuxEffect(effectId); 10787070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 10797070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 10807070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 10817070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * Sets the send level of the audio track to the attached auxiliary effect 108288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * {@link #attachAuxEffect(int)}. The level value range is 0 to 1.0. 10837070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * <p>By default the send level is 0, so even if an effect is attached to the player 10847070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method must be called for the effect to be applied. 10857070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * <p>Note that the passed level value is a raw scalar. UI controls should be scaled 10867070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * logarithmically: the gain applied by audio framework ranges from -72dB to 0dB, 10877070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * so an appropriate conversion from linear UI input x to level is: 10885c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * x == 0 -> level = 0 10895c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * 0 < x <= R -> level = 10^(72*(x-R)/20/R) 10907070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 10917070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @param level send level scalar 10927070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 10937070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@link #ERROR_INVALID_OPERATION} 10947070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 10957070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int setAuxEffectSendLevel(float level) { 10963b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 10977070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 10987070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 10997070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent // clamp the level 11007070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent if (level < getMinVolume()) { 11017070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent level = getMinVolume(); 11027070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 11037070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent if (level > getMaxVolume()) { 11047070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent level = getMaxVolume(); 11057070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 11067070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent native_setAuxEffectSendLevel(level); 11077070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return SUCCESS; 11087070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Interface definitions 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11144df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Interface definition for a callback to be invoked when the playback head position of 11154df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * an AudioTrack has reached a notification marker or has increased by a certain period. 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11174df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public interface OnPlaybackPositionUpdateListener { 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to notify it that the previously set marker has been reached 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the playback head. 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMarkerReached(AudioTrack track); 1123fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to periodically notify it that the playback head has reached 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a multiple of the notification period. 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPeriodicNotification(AudioTrack track); 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inner classes 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11364df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Helper class to handle the forwarding of native events to the appropriate listener 11374df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * (potentially) handled in a different thread 11385c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten */ 11394df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private class NativeEventHandlerDelegate { 11404df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private final Handler mHandler; 1141fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 114295bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten NativeEventHandlerDelegate(final AudioTrack track, 114395bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten final OnPlaybackPositionUpdateListener listener, 114495bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler) { 11454df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // find the looper for our new event handler 11464df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Looper looper; 11474df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (handler != null) { 11484df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project looper = handler.getLooper(); 11494df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 1150105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // no given handler, use the looper the AudioTrack was created in 1151105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project looper = mInitializationLooper; 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1153fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11544df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // construct the event handler with this looper 11554df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (looper != null) { 11564df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // implement the event handler delegate 11574df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = new Handler(looper) { 11584df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project @Override 11594df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void handleMessage(Message msg) { 116095bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (track == null) { 11614df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return; 11624df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 11634df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project switch(msg.what) { 11644df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_MARKER: 11654df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 116695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onMarkerReached(track); 11674df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 11684df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 11694df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_NEW_POS: 11704df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 117195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onPeriodicNotification(track); 11724df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 11734df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 11744df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project default: 11751f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Unknown native event type: " + msg.what); 11764df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 11774df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 11784df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 11794df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project }; 11804df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 11814df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = null; 1182fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } 11834df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 1184fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11854df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler getHandler() { 11864df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return mHandler; 11879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Java methods called from the native side 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object audiotrack_ref, 11969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) { 11979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("Event posted from the native side: event="+ what + " args="+ arg1+" "+arg2); 11989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioTrack track = (AudioTrack)((WeakReference)audiotrack_ref).get(); 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (track == null) { 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 12019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 120395bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten NativeEventHandlerDelegate delegate = track.mEventHandlerDelegate; 120495bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (delegate != null) { 120595bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler = delegate.getHandler(); 120695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (handler != null) { 120795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Message m = handler.obtainMessage(what, arg1, arg2, obj); 120895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten handler.sendMessage(m); 120995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } 12109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 12169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Native methods called from the Java side 12179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 12189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_setup(Object audiotrack_this, 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int streamType, int sampleRate, int nbChannels, int audioFormat, 1221619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int buffSizeInBytes, int mode, int[] sessionId); 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 12249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_start(); 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_stop(); 12309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_pause(); 12329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_flush(); 12349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_byte(byte[] audioData, 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offsetInBytes, int sizeInBytes, int format); 12379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_short(short[] audioData, 12399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offsetInShorts, int sizeInShorts, int format); 12409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_reload_static(); 12429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_native_frame_count(); 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setVolume(float leftVolume, float rightVolume); 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 124788e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_set_playback_rate(int sampleRateInHz); 124888e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_get_playback_rate(); 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_marker_pos(int marker); 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_marker_pos(); 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_pos_update_period(int updatePeriod); 12549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_pos_update_period(); 12559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_position(int position); 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_position(); 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_loop(int start, int end, int loopCount); 12609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_output_sample_rate(int streamType); 12629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_min_buff_size( 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sampleRateInHz, int channelConfig, int audioFormat); 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12657070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent private native final int native_attachAuxEffect(int effectId); 12667070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent private native final void native_setAuxEffectSendLevel(float level); 12677070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 12699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Utility methods 12709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //------------------ 12719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void logd(String msg) { 12731f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.d(TAG, msg); 12749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void loge(String msg) { 12771f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.e(TAG, msg); 12789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1281