AudioTrack.java revision 7ca0452fa62b9c15bd45b0fd52aef97442555a6e
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 197ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport java.lang.annotation.Retention; 207ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport java.lang.annotation.RetentionPolicy; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.lang.ref.WeakReference; 227ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport java.nio.ByteBuffer; 237ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport java.nio.NioUtils; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 257ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport android.annotation.IntDef; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The AudioTrack class manages and plays a single audio resource for Java applications. 34e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * It allows streaming of PCM audio buffers to the audio sink for playback. This is 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * achieved by "pushing" the data to the AudioTrack object using one of the 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #write(byte[], int, int)} and {@link #write(short[], int, int)} methods. 3788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 38ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <p>An AudioTrack instance can operate under two modes: static or streaming.<br> 39ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * In Streaming mode, the application writes a continuous stream of data to the AudioTrack, using 4088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * one of the {@code write()} methods. These are blocking and return when the data has been 4188bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * transferred from the Java layer to the native layer and queued for playback. The streaming 4288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * mode is most useful when playing blocks of audio data that for instance are: 4388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the duration of the sound to play,</li> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the characteristics of the audio data 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (high sampling rate, bits per sample ...)</li> 48ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <li>received or generated while previously queued audio is playing.</li> 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 5088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 515c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * The static mode should be chosen when dealing with short sounds that fit in memory and 5288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * that need to be played with the smallest latency possible. The static mode will 5388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * therefore be preferred for UI and game sounds that are played often, and with the 5488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * smallest overhead possible. 5588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Upon creation, an AudioTrack object initializes its associated audio buffer. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The size of this buffer, specified during the construction, determines how long an AudioTrack 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can play before running out of data.<br> 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For an AudioTrack using the static mode, this size is the maximum size of the sound that can 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be played from it.<br> 61e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For the streaming mode, data will be written to the audio sink in chunks of 625c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * sizes less than or equal to the total buffer size. 6355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * 6455a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * AudioTrack is not final and thus permits subclasses, but such use is not recommended. 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class AudioTrack 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constants 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Minimum value for a channel volume */ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final float VOLUME_MIN = 0.0f; 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** Maximum value for a channel volume */ 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final float VOLUME_MAX = 1.0f; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 76ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Minimum value for sample rate */ 77ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MIN = 4000; 78ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Maximum value for sample rate */ 79ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MAX = 48000; 80ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten 81ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is stopped */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_STOPPED = 1; // matches SL_PLAYSTATE_STOPPED 83ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is paused */ 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PAUSED = 2; // matches SL_PLAYSTATE_PAUSED 85ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is playing */ 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PLAYING = 3; // matches SL_PLAYSTATE_PLAYING 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 885c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // keep these values in sync with android_media_AudioTrack.cpp 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is transferred from Java to the native layer 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * only once before the audio starts playing. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STATIC = 0; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is streamed from Java to the native layer 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as the audio is playing. 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STREAM = 1; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 101ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * State of an AudioTrack that was not successfully initialized upon creation. 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_UNINITIALIZED = 0; 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of an AudioTrack that is ready to be used. 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_INITIALIZED = 1; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of a successfully initialized AudioTrack that uses static data, 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but that hasn't received that data yet. 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_NO_STATIC_DATA = 2; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Error codes: 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to keep in sync with frameworks/base/core/jni/android_media_AudioTrack.cpp 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a successful operation. 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int SUCCESS = 0; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a generic operation failure. 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ERROR = -1; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the use of an invalid value. 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ERROR_BAD_VALUE = -2; 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the improper use of a method. 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int ERROR_INVALID_OPERATION = -3; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_AUDIOSYSTEM = -16; 134a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private static final int ERROR_NATIVESETUP_INVALIDCHANNELMASK = -17; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDFORMAT = -18; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDSTREAMTYPE = -19; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_NATIVEINITFAILED = -20; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Events: 140e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // to keep in sync with frameworks/av/include/media/AudioTrack.h 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 142ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when playback head has reached a previously set marker. 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_MARKER = 3; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 146ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when previously set update period has elapsed during playback. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_NEW_POS = 4; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1501f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten private final static String TAG = "android.media.AudioTrack"; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1537ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** @hide */ 1547ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @IntDef({ 1557ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_BLOCKING, 1567ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_NON_BLOCKING 1577ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi }) 1587ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @Retention(RetentionPolicy.SOURCE) 1597ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public @interface WriteMode {} 1607ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 1617ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 1627ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @hide CANDIDATE FOR PUBLIC API 1637ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will block until all data has been written, 1647ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * to be used in {@link #write(ByteBuffer, int, int, int)}. 1657ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 1667ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_BLOCKING = 0; 1677ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 1687ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @hide CANDIDATE FOR PUBLIC API 1697ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will return immediately after 1707ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * queuing as much audio data for playback as possible without blocking, to be used in 1717ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * {@link #write(ByteBuffer, int, int, int)}. 1727ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 1737ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_NON_BLOCKING = 1; 1747ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Member variables 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 179ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the state of the AudioTrack instance. 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mState = STATE_UNINITIALIZED; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 183ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the play state of the AudioTrack instance. 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mPlayState = PLAYSTATE_STOPPED; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Lock to make sure mPlayState updates are reflecting the actual state of the object. 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Object mPlayStateLock = new Object(); 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 191e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sizes of the native audio buffer. 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeBufferSizeInBytes = 0; 194e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten private int mNativeBufferSizeInFrames = 0; 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 19686fad47e68e344b19fabeab1156c5e6742d8dfadGlenn Kasten * Handler for events coming from the native code. 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten private NativeEventHandlerDelegate mEventHandlerDelegate; 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 200ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Looper associated with the thread that creates the AudioTrack instance. 201105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 202b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten private final Looper mInitializationLooper; 203105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 2048d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * The audio data source sampling rate in Hz. 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2065c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten private int mSampleRate; // initialized by all constructors 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2083026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent * The number of audio output channels (1 is mono, 2 is stereo). 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChannelCount = 1; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2123026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent * The audio channel mask. 2133026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent */ 2143026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent private int mChannels = AudioFormat.CHANNEL_OUT_MONO; 2153026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 2163026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent /** 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The type of the audio stream to play. See 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2195c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 220b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_ALARM}, {@link AudioManager#STREAM_NOTIFICATION}, and 221b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_DTMF}. 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mStreamType = AudioManager.STREAM_MUSIC; 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 225e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The way audio is consumed by the audio sink, streaming or static. 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDataLoadMode = MODE_STREAM; 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 229ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * The current audio channel configuration. 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 231a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private int mChannelConfiguration = AudioFormat.CHANNEL_OUT_MONO; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The encoding of the audio samples. 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_8BIT 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_16BIT 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; 238619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 239619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Audio session ID 240619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 24160bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten private int mSessionId = AudioSystem.AUDIO_SESSION_ALLOCATE; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------- 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used exclusively by native code 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 248ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Accessed by native methods: provides access to C++ AudioTrack object. 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 251075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mNativeTrackInJavaObj; 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Accessed by native methods: provides access to the JNI data (i.e. resources used by 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the native AudioTrack object, but not stored in it). 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 257075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mJniData; 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constructor, Finalize 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Class constructor. 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param streamType the type of the audio stream. See 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2675c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 2685c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 2698d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param channelConfig describes the configuration of the audio channels. 271a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 272a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioFormat the format in which the audio data is represented. 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See {@link AudioFormat#ENCODING_PCM_16BIT} and 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioFormat#ENCODING_PCM_8BIT} 276e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param bufferSizeInBytes the total size (in bytes) of the internal buffer where audio data is 277e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * read from for playback. 278e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STREAM}, you can write data into 279e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * this buffer in chunks less than or equal to this size, and it is typical to use 280e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * chunks of 1/2 of the total size to permit double-buffering. 281e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If the track's creation mode is {@link #MODE_STATIC}, 282e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * this is the maximum length sample, or audio clip, that can be played by this instance. 283ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 284ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for the successful creation of an AudioTrack instance in streaming mode. Using values 285ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * smaller than getMinBufferSize() will result in an initialization failure. 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws java.lang.IllegalArgumentException 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bufferSizeInBytes, int mode) 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalArgumentException { 292619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent this(streamType, sampleRateInHz, channelConfig, audioFormat, 29360bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten bufferSizeInBytes, mode, AudioSystem.AUDIO_SESSION_ALLOCATE); 294619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 295619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 296619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 297619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Class constructor with audio session. Use this constructor when the AudioTrack must be 298619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * attached to a particular audio session. The primary use of the audio session ID is to 299619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * associate audio effects to a particular instance of AudioTrack: if an audio session ID 300619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * is provided when creating an AudioEffect, this effect will be applied only to audio tracks 301619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * and media players in the same session and not to the output mix. 302619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * When an AudioTrack is created without specifying a session, it will create its own session 3038d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * which can be retrieved by calling the {@link #getAudioSessionId()} method. 3045c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * If a non-zero session ID is provided, this AudioTrack will share effects attached to this 3055c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * session 3065c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * with all other media players or audio tracks in the same session, otherwise a new session 3075c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * will be created for this track if none is supplied. 308619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param streamType the type of the audio stream. See 309619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 3105c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 3115c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 3128d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 313619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param channelConfig describes the configuration of the audio channels. 314619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 315619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 316619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param audioFormat the format in which the audio data is represented. 317619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#ENCODING_PCM_16BIT} and 318619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioFormat#ENCODING_PCM_8BIT} 319619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 320619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * from for playback. If using the AudioTrack in streaming mode, you can write data into 321619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 322619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this is the maximum size of the sound that will be played for this instance. 323619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 324619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * for the successful creation of an AudioTrack instance in streaming mode. Using values 325619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * smaller than getMinBufferSize() will result in an initialization failure. 326619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 327619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param sessionId Id of audio session the AudioTrack must be attached to 328619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @throws java.lang.IllegalArgumentException 329619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 330619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 331619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int bufferSizeInBytes, int mode, int sessionId) 332619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent throws IllegalArgumentException { 333a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // mState already == STATE_UNINITIALIZED 3345c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten 3355c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // remember which looper is associated with the AudioTrack instantiation 336b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten Looper looper; 337b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten if ((looper = Looper.myLooper()) == null) { 338b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten looper = Looper.getMainLooper(); 339105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 340b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten mInitializationLooper = looper; 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioParamCheck(streamType, sampleRateInHz, channelConfig, audioFormat, mode); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffSizeCheck(bufferSizeInBytes); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 346619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent if (sessionId < 0) { 347f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio session ID: "+sessionId); 348619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 349619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 350619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int[] session = new int[1]; 351619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent session[0] = sessionId; 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native initialization 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initResult = native_setup(new WeakReference<AudioTrack>(this), 3543026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mStreamType, mSampleRate, mChannels, mAudioFormat, 355619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mNativeBufferSizeInBytes, mDataLoadMode, session); 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initResult != SUCCESS) { 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("Error code "+initResult+" when initializing AudioTrack."); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // with mState == STATE_UNINITIALIZED 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 361619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mSessionId = session[0]; 362619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataLoadMode == MODE_STATIC) { 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_NO_STATIC_DATA; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_INITIALIZED; 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3701b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // mask of all the channels supported by this implementation 3711b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi private static final int SUPPORTED_OUT_CHANNELS = 3721b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | 3731b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_RIGHT | 3741b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_CENTER | 3751b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_LOW_FREQUENCY | 3761b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | 3771b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_RIGHT | 3781b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_CENTER; 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Convenience method for the constructor's parameter checks. 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is where constructor IllegalArgumentException-s are thrown 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postconditions: 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mStreamType is valid 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 3853026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent // mChannels is valid 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSampleRate is valid 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mDataLoadMode is valid 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioParamCheck(int streamType, int sampleRateInHz, 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelConfig, int audioFormat, int mode) { 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stream type 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if( (streamType != AudioManager.STREAM_ALARM) && (streamType != AudioManager.STREAM_MUSIC) 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_RING) && (streamType != AudioManager.STREAM_SYSTEM) 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_VOICE_CALL) 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_NOTIFICATION) 398a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent && (streamType != AudioManager.STREAM_BLUETOOTH_SCO) 399a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent && (streamType != AudioManager.STREAM_DTMF)) { 400f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid stream type."); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 402896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mStreamType = streamType; 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4055c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( (sampleRateInHz < 4000) || (sampleRateInHz > 48000) ) { 407f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException(sampleRateInHz 408f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten + "Hz is not a supported sample rate."); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 410896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mSampleRate = sampleRateInHz; 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // channel config 4143026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannelConfiguration = channelConfig; 4153026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (channelConfig) { 4173026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_OUT_DEFAULT: //AudioFormat.CHANNEL_CONFIGURATION_DEFAULT 418a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 4193026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 1; 4213026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_MONO; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 423a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 4243026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 2; 4263026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_STEREO; 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 429d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if (!isMultichannelConfigSupported(channelConfig)) { 4301b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 431f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported channel configuration."); 4321b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 433896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mChannels = channelConfig; 434896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mChannelCount = Integer.bitCount(channelConfig); 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio format 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (audioFormat) { 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_DEFAULT: 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_PCM_16BIT: 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_PCM_8BIT: 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioFormat = audioFormat; 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 448f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported sample encoding." 449f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT."); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio load mode 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( (mode != MODE_STREAM) && (mode != MODE_STATIC) ) { 455f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid mode."); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 457896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mDataLoadMode = mode; 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 460d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi /** 461d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * Convenience method to check that the channel configuration (a.k.a channel mask) is supported 462d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @param channelConfig the mask to validate 463d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @return false if the AudioTrack can't be used with such a mask 464d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi */ 465d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi private static boolean isMultichannelConfigSupported(int channelConfig) { 466d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported channels 467d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 4681f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Channel configuration features unsupported channels"); 469d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 470d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 471d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported multichannel combinations: 472d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - FL/FR must be present 473d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - L/R channels must be paired (e.g. no single L channel) 474d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int frontPair = 475d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | AudioFormat.CHANNEL_OUT_FRONT_RIGHT; 476d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & frontPair) != frontPair) { 4771f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Front channels must be present in multichannel configurations"); 478d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 479d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 480d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int backPair = 481d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | AudioFormat.CHANNEL_OUT_BACK_RIGHT; 482d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != 0) { 483d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != backPair) { 4841f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Rear channels can't be used independently"); 485d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 486d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 487d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 488d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return true; 489d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 490d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 492e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // Convenience method for the constructor's audio buffer size check. 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // preconditions: 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postcondition: 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeBufferSizeInBytes is valid (multiple of frame size, positive) 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioBuffSizeCheck(int audioBufferSize) { 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NB: this section is only valid with PCM data. 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // To update when supporting compressed formats 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameSizeInBytes = mChannelCount 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (mAudioFormat == AudioFormat.ENCODING_PCM_8BIT ? 1 : 2); 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) { 504f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio buffer size."); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeBufferSizeInBytes = audioBufferSize; 508e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten mNativeBufferSizeInFrames = audioBufferSize / frameSizeInBytes; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the native AudioTrack resources. 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void release() { 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // even though native_release() stops the native AudioTrack, we need to stop 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // AudioTrack subclasses too. 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 520fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } catch(IllegalStateException ise) { 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't raise an exception, we're releasing the resources. 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_UNINITIALIZED; 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_finalize(); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Getters 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the minimum valid volume value. Volume values set under this one will 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be clamped at this value. 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the minimum volume expressed as a linear attenuation. 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMinVolume() { 541df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return VOLUME_MIN; 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the maximum valid volume value. Volume values set above this one will 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be clamped at this value. 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the maximum volume expressed as a linear attenuation. 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMaxVolume() { 550df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return VOLUME_MAX; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data sample rate in Hz 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSampleRate() { 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSampleRate; 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 559fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56188e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * Returns the current playback rate in Hz. 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackRate() { 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_playback_rate(); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data format. See {@link AudioFormat#ENCODING_PCM_16BIT} 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link AudioFormat#ENCODING_PCM_8BIT}. 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getAudioFormat() { 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAudioFormat; 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the type of audio stream this AudioTrack is configured for. 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compare the result against {@link AudioManager#STREAM_VOICE_CALL}, 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_SYSTEM}, {@link AudioManager#STREAM_RING}, 5795c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_MUSIC}, {@link AudioManager#STREAM_ALARM}, 580b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_NOTIFICATION}, or {@link AudioManager#STREAM_DTMF}. 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getStreamType() { 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured channel configuration. 588a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} 589a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * and {@link AudioFormat#CHANNEL_OUT_STEREO}. 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelConfiguration() { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelConfiguration; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured number of channels. 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelCount() { 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the state of the AudioTrack instance. This is useful after the 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AudioTrack instance has been created to check if it was initialized 605e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * properly. This ensures that the appropriate resources have been acquired. 606ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_INITIALIZED 607ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_NO_STATIC_DATA 608ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_UNINITIALIZED 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getState() { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the playback state of the AudioTrack instance. 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_STOPPED 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PAUSED 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PLAYING 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlayState() { 62106e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath synchronized (mPlayStateLock) { 62206e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath return mPlayState; 62306e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath } 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 627e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the "native frame count", derived from the bufferSizeInBytes specified at 628e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * creation time and converted to frame units. 629e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STATIC}, 630e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is equal to the specified bufferSizeInBytes converted to frame units. 631e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STREAM}, 632e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is typically greater than or equal to the specified bufferSizeInBytes converted to frame 633e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * units; it may be rounded up to a larger value if needed by the target device implementation. 63455a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * @deprecated Only accessible by subclasses, which are not recommended for AudioTrack. 63555a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * See {@link AudioManager#getProperty(String)} for key 63655a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * {@link AudioManager#PROPERTY_OUTPUT_FRAMES_PER_BUFFER}. 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 63855a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten @Deprecated 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getNativeFrameCount() { 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_native_frame_count(); 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 644ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns marker position expressed in frames. 645e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @return marker position in wrapping frame units similar to {@link #getPlaybackHeadPosition}, 646e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or zero if marker is disabled. 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNotificationMarkerPosition() { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_marker_pos(); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 653ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns the notification update period expressed in frames. 654e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero means that no position update notifications are being delivered. 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPositionNotificationPeriod() { 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_pos_update_period(); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 661e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the playback head position expressed in frames. 662e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Though the "int" type is signed 32-bits, the value should be reinterpreted as if it is 663e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * unsigned 32-bits. That is, the next position after 0x7FFFFFFF is (int) 0x80000000. 664e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * This is a continuously advancing counter. It will wrap (overflow) periodically, 665e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * for example approximately once every 27:03:11 hours:minutes:seconds at 44.1 kHz. 666e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * It is reset to zero by flush(), reload(), and stop(). 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackHeadPosition() { 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_position(); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 67361dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * Returns this track's estimated latency in milliseconds. This includes the latency due 67461dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * to AudioTrack buffer size, AudioMixer (if any) and audio hardware driver. 67561dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * 67661dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * DO NOT UNHIDE. The existing approach for doing A/V sync has too many problems. We need 67761dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * a better solution. 67861dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * @hide 67961dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman */ 68061dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman public int getLatency() { 68161dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman return native_get_latency(); 68261dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman } 68361dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 68461dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman /** 685e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the output sample rate in Hz for the specified stream type. 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getNativeOutputSampleRate(int streamType) { 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_output_sample_rate(streamType); 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 690fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 6919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the minimum buffer size required for the successful creation of an AudioTrack 693ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * object to be created in the {@link #MODE_STREAM} mode. Note that this size doesn't 694ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * guarantee a smooth playback under load, and higher values should be chosen according to 695fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * the expected frequency at which the buffer will be refilled with additional data to play. 6968d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * For example, if you intend to dynamically set the source sample rate of an AudioTrack 6978d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * to a higher value than the initial source sample rate, be sure to configure the buffer size 6988d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * based on the highest planned sample rate. 6998d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the source sample rate expressed in Hz. 700fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param channelConfig describes the configuration of the audio channels. 701a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 702a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 703fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param audioFormat the format in which the audio data is represented. 704fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT} and 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioFormat#ENCODING_PCM_8BIT} 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #ERROR_BAD_VALUE} if an invalid parameter was passed, 707e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or {@link #ERROR} if unable to query for output properties, 708ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * or the minimum buffer size expressed in bytes. 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelCount = 0; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(channelConfig) { 713a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 7143026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 1; 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 717a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 7183026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 2; 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7221b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 7231b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 7241b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi loge("getMinBufferSize(): Invalid channel configuration."); 725df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 7261b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } else { 7271b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi channelCount = Integer.bitCount(channelConfig); 7281b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 730fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 731fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ((audioFormat != AudioFormat.ENCODING_PCM_16BIT) 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (audioFormat != AudioFormat.ENCODING_PCM_8BIT)) { 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): Invalid audio format."); 734df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 736fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 7375c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 738ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten if ( (sampleRateInHz < SAMPLE_RATE_HZ_MIN) || (sampleRateInHz > SAMPLE_RATE_HZ_MAX) ) { 739ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten loge("getMinBufferSize(): " + sampleRateInHz + " Hz is not a supported sample rate."); 740df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 742fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = native_get_min_buff_size(sampleRateInHz, channelCount, audioFormat); 744a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (size <= 0) { 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): error querying hardware"); 746df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR; 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 753619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 754619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Returns the audio session ID. 755619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * 756619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @return the ID of the audio session this AudioTrack belongs to. 757619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 758619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public int getAudioSessionId() { 759619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent return mSessionId; 760619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 762948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten /** 763948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * Poll for a timestamp on demand. 764948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * 7655e8f278f083f6a75cb6d1b09671c335156f93d1bGlenn Kasten * Use if you need to get the most recent timestamp outside of the event callback handler. 766948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * Calling this method too often may be inefficient; 767948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * if you need a high-resolution mapping between frame position and presentation time, 768948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * consider implementing that at application level, based on low-resolution timestamps. 769948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * The audio data at the returned position may either already have been 770948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * presented, or may have not yet been presented but is committed to be presented. 771948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * It is not possible to request the time corresponding to a particular position, 772948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * or to request the (fractional) position corresponding to a particular time. 773948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * If you need such features, consider implementing them at application level. 774948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * 775948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * @param timestamp a reference to a non-null AudioTimestamp instance allocated 776596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * and owned by caller. 777596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * @return true if a timestamp is available, or false if no timestamp is available. 778596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * If a timestamp if available, 779948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * the AudioTimestamp instance is filled in with a position in frame units, together 780948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * with the estimated time when that frame was presented or is committed to 781948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * be presented. 782948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * In the case that no timestamp is available, any supplied instance is left unaltered. 783948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten */ 784596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten public boolean getTimestamp(AudioTimestamp timestamp) 785948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten { 786596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (timestamp == null) { 787596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten throw new IllegalArgumentException(); 788596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten } 789948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // It's unfortunate, but we have to either create garbage every time or use synchronized 790948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten long[] longArray = new long[2]; 791948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten int ret = native_get_timestamp(longArray); 792596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (ret != SUCCESS) { 793596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return false; 794948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 795596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.framePosition = longArray[0]; 796596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.nanoTime = longArray[1]; 797596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return true; 798948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 799948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 800948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Initialization / configuration 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8054df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the listener the AudioTrack notifies when a previously set marker is reached or 8064df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * for each periodic playback head position update. 807ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Notifications will be received in the same thread as the one in which the AudioTrack 808ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * instance was created. 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8114df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener) { 8124df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project setPlaybackPositionUpdateListener(listener, null); 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 814fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 815ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** 816ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the listener the AudioTrack notifies when a previously set marker is reached or 817ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for each periodic playback head position update. 818ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Use this method to receive AudioTrack events in the Handler associated with another 819ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * thread than the one in which you created the AudioTrack instance. 820ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param listener 821ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param handler the Handler that will receive the event notification messages. 822ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi */ 823fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener, 8244df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler handler) { 8254df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 82695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = new NativeEventHandlerDelegate(this, listener, handler); 82795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } else { 82895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = null; 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8334df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the specified left/right output volume values on the AudioTrack. Values are clamped 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * to the ({@link #getMinVolume()}, {@link #getMaxVolume()}) interval if outside this range. 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param leftVolume output attenuation for the left channel. A value of 0.0f is silence, 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a value of 1.0f is no attenuation. 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param rightVolume output attenuation for the right channel 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setStereoVolume(float leftVolume, float rightVolume) { 8443b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // clamp the volumes 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (leftVolume < getMinVolume()) { 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftVolume = getMinVolume(); 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (leftVolume > getMaxVolume()) { 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project leftVolume = getMaxVolume(); 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rightVolume < getMinVolume()) { 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightVolume = getMinVolume(); 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rightVolume > getMaxVolume()) { 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rightVolume = getMaxVolume(); 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_setVolume(leftVolume, rightVolume); 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SUCCESS; 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8693e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * Sets the specified output volume values on all channels of this track. The value is clamped 8703e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * to the ({@link #getMinVolume()}, {@link #getMaxVolume()}) interval if outside this range. 8713e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * @param volume output attenuation for all channels. A value of 0.0f is silence, 8723e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * a value of 1.0f is no attenuation. 8733e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * @return error code or success, see {@link #SUCCESS}, 8743e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 875068225de0197df07a0247b2877666ea91c22c992Glenn Kasten */ 876068225de0197df07a0247b2877666ea91c22c992Glenn Kasten public int setVolume(float volume) { 877068225de0197df07a0247b2877666ea91c22c992Glenn Kasten return setStereoVolume(volume, volume); 878068225de0197df07a0247b2877666ea91c22c992Glenn Kasten } 879068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 880068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 881068225de0197df07a0247b2877666ea91c22c992Glenn Kasten /** 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the playback sample rate for this track. This sets the sampling rate at which 8838d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * the audio data will be consumed and played back 8848d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * (as set by the sampleRateInHz parameter in the 8858d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * {@link #AudioTrack(int, int, int, int, int, int)} constructor), 8868d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * not the original sampling rate of the 887e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * content. For example, setting it to half the sample rate of the content will cause the 888e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * playback to last twice as long, but will also result in a pitch shift down by one octave. 889e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The valid sample rate range is from 1 Hz to twice the value returned by 89088e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * {@link #getNativeOutputSampleRate(int)}. 891ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param sampleRateInHz the sample rate expressed in Hz 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackRate(int sampleRateInHz) { 896f19395db6343efdf80d064e0ba7c3b9aa4dbae75Glenn Kasten if (mState != STATE_INITIALIZED) { 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRateInHz <= 0) { 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 90288e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return native_set_playback_rate(sampleRateInHz); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 907e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sets the position of the notification marker. At most one marker can be active. 908e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param markerInFrames marker position in wrapping frame units similar to 909e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * {@link #getPlaybackHeadPosition}, or zero to disable the marker. 910e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * To set a marker at a position which would appear as zero due to wraparound, 911e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * a workaround is to use a non-zero position near zero, such as -1 or 1. 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 9139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 9149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setNotificationMarkerPosition(int markerInFrames) { 9163b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 9179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 9189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_marker_pos(markerInFrames); 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 924ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the period for the periodic notification event. 925ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param periodInFrames update period expressed in frames 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_INVALID_OPERATION} 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPositionNotificationPeriod(int periodInFrames) { 9293b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_pos_update_period(periodInFrames); 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 937a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Sets the playback head position. 938a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * The track must be stopped or paused for the position to be changed, 939a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 940ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param positionInFrames playback head position expressed in frames 941e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 942e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The position must not be greater than the buffer size in frames, or negative. 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackHeadPosition(int positionInFrames) { 947a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED || 948a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 949a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ERROR_INVALID_OPERATION; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 951e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (!(0 <= positionInFrames && positionInFrames <= mNativeBufferSizeInFrames)) { 952e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 953e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 954a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return native_set_position(positionInFrames); 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the loop points and the loop count. The loop can be infinite. 959a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Similarly to setPlaybackHeadPosition, 960e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * the track must be stopped or paused for the loop points to be changed, 961a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 962ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param startInFrames loop start marker expressed in frames 963e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 964e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The start marker must not be greater than or equal to the buffer size in frames, or negative. 965ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param endInFrames loop end marker expressed in frames 966e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The total buffer size in frames corresponds to end of buffer. 967e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The end marker must not be greater than the buffer size in frames. 968e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For looping, the end marker must not be less than or equal to the start marker, 969e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * but to disable looping 970e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is permitted for start marker, end marker, and loop count to all be 0. 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param loopCount the number of times the loop is looped. 972e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * A value of -1 means infinite looping, and 0 disables looping. 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setLoopPoints(int startInFrames, int endInFrames, int loopCount) { 977a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED || 978a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 981e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (loopCount == 0) { 982e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten ; // explicitly allowed as an exception to the loop region range check 983e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } else if (!(0 <= startInFrames && startInFrames < mNativeBufferSizeInFrames && 984e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten startInFrames < endInFrames && endInFrames <= mNativeBufferSizeInFrames)) { 985e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 986e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_loop(startInFrames, endInFrames, loopCount); 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 99155a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * Sets the initialization state of the instance. This method was originally intended to be used 99255a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * in an AudioTrack subclass constructor to set a subclass-specific post-initialization state. 99355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * However, subclasses of AudioTrack are no longer recommended, so this method is obsolete. 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param state the state of the AudioTrack instance 99555a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * @deprecated Only accessible by subclasses, which are not recommended for AudioTrack. 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 99755a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten @Deprecated 9989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setState(int state) { 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Transport control methods 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Starts playing an AudioTrack. 1008e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STATIC}, you must have called write() prior. 100988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 10109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 10119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void play() 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1015f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("play() called on uninitialized AudioTrack."); 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_start(); 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PLAYING; 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops playing the audio data. 1026a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * When used on an instance created in {@link #MODE_STREAM} mode, audio will stop playing 1027a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * after the last buffer that was written has been played. For an immediate stop, use 1028a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * {@link #pause()}, followed by {@link #flush()} to discard audio data that hasn't been played 1029a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * back yet. 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 10319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void stop() 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1035f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("stop() called on uninitialized AudioTrack."); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stop playing 10399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_stop(); 10419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_STOPPED; 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 104688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Pauses the playback of the audio data. Data that has not been played 104788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * back will not be discarded. Subsequent calls to {@link #play} will play 1048a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * this data back. See {@link #flush()} to discard this data. 104988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void pause() 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 10549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1055f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("pause() called on uninitialized AudioTrack."); 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("pause()"); 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pause playback 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_pause(); 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PAUSED; 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Audio data supply 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 107288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Flushes the audio data currently queued for playback. Any data that has 1073e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * not been played back will be discarded. No-op if not stopped or paused, 1074e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or if the track's creation mode is not {@link #MODE_STREAM}. 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void flush() { 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_INITIALIZED) { 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // flush the data in native layer 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_flush(); 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1085e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1086e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 1087e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In streaming mode, will block until all data has been written to the audio sink. 1088e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 108988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 109088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 1091e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 109288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 109488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * @param offsetInBytes the offset expressed in bytes in audioData where the data to play 1095ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sizeInBytes the number of bytes to read in audioData after the offset. 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes that were written or {@link #ERROR_INVALID_OPERATION} 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the parameters don't resolve to valid data and indexes. 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11025c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten public int write(byte[] audioData, int offsetInBytes, int sizeInBytes) { 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1104a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mState == STATE_UNINITIALIZED) { 11059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 11069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1108fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInBytes < 0 ) || (sizeInBytes < 0) 1109a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInBytes + sizeInBytes < 0) // detect integer overflow 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInBytes + sizeInBytes > audioData.length)) { 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11147ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = native_write_byte(audioData, offsetInBytes, sizeInBytes, mAudioFormat, 11157ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi true /*isBlocking*/); 1116a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1117a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1118a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1119a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1120a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1121a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1122a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1123a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1124a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1129e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1130e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 1131e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In streaming mode, will block until all data has been written to the audio sink. 1132e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 113388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 113488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 1135e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 113688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 1138ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param offsetInShorts the offset expressed in shorts in audioData where the data to play 1139ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 1140e8c82a37050e568f211d47951480b182a61d42b4Glenn Kasten * @param sizeInShorts the number of shorts to read in audioData after the offset. 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of shorts that were written or {@link #ERROR_INVALID_OPERATION} 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the parameters don't resolve to valid data and indexes. 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int write(short[] audioData, int offsetInShorts, int sizeInShorts) { 1147fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1148a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mState == STATE_UNINITIALIZED) { 11499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 11509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1152fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInShorts < 0 ) || (sizeInShorts < 0) 1153a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInShorts + sizeInShorts < 0) // detect integer overflow 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInShorts + sizeInShorts > audioData.length)) { 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1158a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten int ret = native_write_short(audioData, offsetInShorts, sizeInShorts, mAudioFormat); 1159a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1160a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1161a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1162a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1163a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1164a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1165a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1166a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1167a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11727ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @hide CANDIDATE FOR PUBLIC API 11737ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * Writes the audio data to the audio sink for playback (streaming mode), 11747ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * or copies audio data for later playback (static buffer mode). 11757ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * In static buffer mode, copies the data to the buffer starting at its 0 offset, and the write 11767ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * mode is ignored. 11777ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * In streaming mode, the blocking behavior will depend on the write mode. 11787ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param audioData the buffer that holds the data to play, starting at the position reported 11797ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * by <code>audioData.position()</code>. 11807ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>Note that this method will not update the position in this buffer, therefore when 11817ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * writing a loop to write all the data in the buffer, you should increment the 11827ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <code>offsetInBytes</code> parameter at each pass by the amount that was previously 11837ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * written for this buffer. 11847ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param offsetInBytes offset to read from in bytes (note this differs from 11857ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <code>audioData.position()</code>). 11867ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param sizeInBytes number of bytes to read (note this differs from 11877ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <code>audioData.remaining()</code>). 11887ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 11897ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * effect in static mode. 11907ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 11917ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * to the audio sink. 11927ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 11937ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * queuing as much audio data for playback as possible without blocking. 11947ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @return 0 or a positive number of bytes that were written, or 11957ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * {@link #ERROR_BAD_VALUE}, {@link #ERROR_INVALID_OPERATION} 11967ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 11977ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public int write(ByteBuffer audioData, int offsetInBytes, int sizeInBytes, 11987ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @WriteMode int writeMode) { 11997ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 12007ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (mState == STATE_UNINITIALIZED) { 12017ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 12027ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_INVALID_OPERATION; 12037ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 12047ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 12057ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 12067ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 12077ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 12087ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 12097ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 12107ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ( (audioData == null) || (offsetInBytes < 0 ) || (sizeInBytes < 0) 12117ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi || (offsetInBytes + sizeInBytes < 0) // detect integer overflow 12127ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi || (offsetInBytes + sizeInBytes > audioData.remaining())) { 12137ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid size/offset values"); 12147ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 12157ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 12167ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 12177ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = 0; 12187ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (audioData.isDirect()) { 12197ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_native_bytes(audioData, 12207ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi audioData.position(), 12217ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi offsetInBytes, sizeInBytes, mAudioFormat, 12227ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 12237ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } else { 12247ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_byte(NioUtils.unsafeArray(audioData), 12257ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi NioUtils.unsafeArrayOffset(audioData) + audioData.position() + offsetInBytes, 12267ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi sizeInBytes, mAudioFormat, 12277ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 12287ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 12297ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 12307ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((mDataLoadMode == MODE_STATIC) 12317ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (mState == STATE_NO_STATIC_DATA) 12327ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (ret > 0)) { 12337ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi // benign race with respect to other APIs that read mState 12347ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi mState = STATE_INITIALIZED; 12357ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 12367ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 12377ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ret; 12387ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 12397ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 12407ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 12419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notifies the native resource to reuse the audio data already loaded in the native 1242e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * layer, that is to rewind to start of buffer. 1243e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The track's creation mode must be {@link #MODE_STATIC}. 12449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 12459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int reloadStaticData() { 1248a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED) { 12499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_reload_static(); 12529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12547070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------------------------------------------------------------- 12557070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent // Audio effects management 12567070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------- 12577070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 12587070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 12591a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * Attaches an auxiliary effect to the audio track. A typical auxiliary 12601a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * effect is a reverberation effect which can be applied on any sound source 12611a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * that directs a certain amount of its energy to this effect. This amount 12621a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * is defined by setAuxEffectSendLevel(). 12637070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@see #setAuxEffectSendLevel(float)}. 12641a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>After creating an auxiliary effect (e.g. 12651a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.EnvironmentalReverb}), retrieve its ID with 12661a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.AudioEffect#getId()} and use it when calling 12677070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method to attach the audio track to the effect. 12681a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>To detach the effect from the audio track, call this method with a 12691a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * null effect id. 12707070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 12717070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @param effectId system wide unique id of the effect to attach 12727070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 12737070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR_BAD_VALUE} 12747070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 12757070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int attachAuxEffect(int effectId) { 12763b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 12777070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 12787070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 12797070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return native_attachAuxEffect(effectId); 12807070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 12817070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 12827070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 12837070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * Sets the send level of the audio track to the attached auxiliary effect 1284e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * {@link #attachAuxEffect(int)}. The level value range is 0.0f to 1.0f. 1285e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Values are clamped to the (0.0f, 1.0f) interval if outside this range. 1286e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * <p>By default the send level is 0.0f, so even if an effect is attached to the player 12877070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method must be called for the effect to be applied. 12887070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * <p>Note that the passed level value is a raw scalar. UI controls should be scaled 12897070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * logarithmically: the gain applied by audio framework ranges from -72dB to 0dB, 12907070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * so an appropriate conversion from linear UI input x to level is: 12915c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * x == 0 -> level = 0 12925c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * 0 < x <= R -> level = 10^(72*(x-R)/20/R) 12937070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 12947070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @param level send level scalar 12957070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 12967070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@link #ERROR_INVALID_OPERATION} 12977070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 12987070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int setAuxEffectSendLevel(float level) { 12993b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 13007070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 13017070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 13027070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent // clamp the level 13037070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent if (level < getMinVolume()) { 13047070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent level = getMinVolume(); 13057070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 13067070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent if (level > getMaxVolume()) { 13077070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent level = getMaxVolume(); 13087070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 13097070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent native_setAuxEffectSendLevel(level); 13107070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return SUCCESS; 13117070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 13149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Interface definitions 13159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 13169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13174df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Interface definition for a callback to be invoked when the playback head position of 13184df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * an AudioTrack has reached a notification marker or has increased by a certain period. 13199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13204df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public interface OnPlaybackPositionUpdateListener { 13219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to notify it that the previously set marker has been reached 13239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the playback head. 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMarkerReached(AudioTrack track); 1326fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 13279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to periodically notify it that the playback head has reached 13299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a multiple of the notification period. 13309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPeriodicNotification(AudioTrack track); 13329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 13369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inner classes 13379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13394df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Helper class to handle the forwarding of native events to the appropriate listener 13404df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * (potentially) handled in a different thread 13415c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten */ 13424df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private class NativeEventHandlerDelegate { 13434df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private final Handler mHandler; 1344fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 134595bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten NativeEventHandlerDelegate(final AudioTrack track, 134695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten final OnPlaybackPositionUpdateListener listener, 134795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler) { 13484df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // find the looper for our new event handler 13494df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Looper looper; 13504df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (handler != null) { 13514df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project looper = handler.getLooper(); 13524df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 1353105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // no given handler, use the looper the AudioTrack was created in 1354105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project looper = mInitializationLooper; 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1356fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 13574df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // construct the event handler with this looper 13584df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (looper != null) { 13594df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // implement the event handler delegate 13604df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = new Handler(looper) { 13614df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project @Override 13624df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void handleMessage(Message msg) { 136395bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (track == null) { 13644df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return; 13654df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 13664df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project switch(msg.what) { 13674df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_MARKER: 13684df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 136995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onMarkerReached(track); 13704df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 13714df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 13724df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_NEW_POS: 13734df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 137495bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onPeriodicNotification(track); 13754df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 13764df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 13774df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project default: 13781f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Unknown native event type: " + msg.what); 13794df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 13804df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 13814df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 13824df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project }; 13834df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 13844df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = null; 1385fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } 13864df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 1387fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 13884df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler getHandler() { 13894df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return mHandler; 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Java methods called from the native side 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object audiotrack_ref, 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) { 14009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("Event posted from the native side: event="+ what + " args="+ arg1+" "+arg2); 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioTrack track = (AudioTrack)((WeakReference)audiotrack_ref).get(); 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (track == null) { 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 140695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten NativeEventHandlerDelegate delegate = track.mEventHandlerDelegate; 140795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (delegate != null) { 140895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler = delegate.getHandler(); 140995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (handler != null) { 141095bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Message m = handler.obtainMessage(what, arg1, arg2, obj); 141195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten handler.sendMessage(m); 141295bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } 14139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 14199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Native methods called from the Java side 14209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 14219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_setup(Object audiotrack_this, 1423a4b06fd111185f4f245d816c09074107fef960bbGlenn Kasten int streamType, int sampleRate, int channelMask, int audioFormat, 1424619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int buffSizeInBytes, int mode, int[] sessionId); 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 14279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_start(); 14319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_stop(); 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_pause(); 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_flush(); 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_byte(byte[] audioData, 14397ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int offsetInBytes, int sizeInBytes, int format, 14407ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi boolean isBlocking); 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_short(short[] audioData, 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offsetInShorts, int sizeInShorts, int format); 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14457ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi private native final int native_write_native_bytes(Object audioData, 14467ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int positionInBytes, int offsetInBytes, int sizeInBytes, int format, boolean blocking); 14477ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_reload_static(); 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_native_frame_count(); 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setVolume(float leftVolume, float rightVolume); 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 145488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_set_playback_rate(int sampleRateInHz); 145588e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_get_playback_rate(); 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_marker_pos(int marker); 14589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_marker_pos(); 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_pos_update_period(int updatePeriod); 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_pos_update_period(); 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_position(int position); 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_position(); 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 146661dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman private native final int native_get_latency(); 146761dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 1468948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // longArray must be a non-null array of length >= 2 1469948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [0] is assigned the frame position 1470948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [1] is assigned the time in CLOCK_MONOTONIC nanoseconds 1471948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten private native final int native_get_timestamp(long[] longArray); 1472948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_loop(int start, int end, int loopCount); 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_output_sample_rate(int streamType); 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_min_buff_size( 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sampleRateInHz, int channelConfig, int audioFormat); 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14797070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent private native final int native_attachAuxEffect(int effectId); 14807070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent private native final void native_setAuxEffectSendLevel(float level); 14817070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 14829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 14839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Utility methods 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //------------------ 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void logd(String msg) { 14871f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.d(TAG, msg); 14889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void loge(String msg) { 14911f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.e(TAG, msg); 14929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1495