AudioTrack.java revision bc11a696f6856624de532a6830d5db9dbbe2384c
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; 261af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.app.ActivityThread; 271af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.app.AppOpsManager; 281af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.content.Context; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 301af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.IBinder; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 331af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.Process; 341af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.RemoteException; 351af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.ServiceManager; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 381af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport com.android.internal.app.IAppOpsService; 391af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The AudioTrack class manages and plays a single audio resource for Java applications. 43e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * It allows streaming of PCM audio buffers to the audio sink for playback. This is 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * achieved by "pushing" the data to the AudioTrack object using one of the 457d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link #write(byte[], int, int)}, {@link #write(short[], int, int)}, 467d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link #write(float[], int, int, int)} methods. 4788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 48ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <p>An AudioTrack instance can operate under two modes: static or streaming.<br> 49ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * In Streaming mode, the application writes a continuous stream of data to the AudioTrack, using 5088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * one of the {@code write()} methods. These are blocking and return when the data has been 5188bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * transferred from the Java layer to the native layer and queued for playback. The streaming 5288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * mode is most useful when playing blocks of audio data that for instance are: 5388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the duration of the sound to play,</li> 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the characteristics of the audio data 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (high sampling rate, bits per sample ...)</li> 58ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <li>received or generated while previously queued audio is playing.</li> 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 6088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 615c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * The static mode should be chosen when dealing with short sounds that fit in memory and 6288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * that need to be played with the smallest latency possible. The static mode will 6388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * therefore be preferred for UI and game sounds that are played often, and with the 6488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * smallest overhead possible. 6588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Upon creation, an AudioTrack object initializes its associated audio buffer. 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The size of this buffer, specified during the construction, determines how long an AudioTrack 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can play before running out of data.<br> 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For an AudioTrack using the static mode, this size is the maximum size of the sound that can 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be played from it.<br> 71e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For the streaming mode, data will be written to the audio sink in chunks of 725c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * sizes less than or equal to the total buffer size. 7355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * 7455a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * AudioTrack is not final and thus permits subclasses, but such use is not recommended. 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class AudioTrack 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constants 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 8178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten /** Minimum value for a linear gain or auxiliary effect level. 8278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * This value must be exactly equal to 0.0f; do not change it. 8378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten */ 8478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static final float GAIN_MIN = 0.0f; 8578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten /** Maximum value for a linear gain or auxiliary effect level. 8678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * This value must be greater than or equal to 1.0f. 8778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten */ 8878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static final float GAIN_MAX = 1.0f; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 90ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Minimum value for sample rate */ 91ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MIN = 4000; 92ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Maximum value for sample rate */ 93ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MAX = 48000; 94ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten 95ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is stopped */ 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_STOPPED = 1; // matches SL_PLAYSTATE_STOPPED 97ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is paused */ 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PAUSED = 2; // matches SL_PLAYSTATE_PAUSED 99ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is playing */ 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PLAYING = 3; // matches SL_PLAYSTATE_PLAYING 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1025c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // keep these values in sync with android_media_AudioTrack.cpp 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is transferred from Java to the native layer 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * only once before the audio starts playing. 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STATIC = 0; 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is streamed from Java to the native layer 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as the audio is playing. 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STREAM = 1; 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 115ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * State of an AudioTrack that was not successfully initialized upon creation. 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_UNINITIALIZED = 0; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of an AudioTrack that is ready to be used. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_INITIALIZED = 1; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of a successfully initialized AudioTrack that uses static data, 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but that hasn't received that data yet. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_NO_STATIC_DATA = 2; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a successful operation. 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 131bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int SUCCESS = AudioSystem.SUCCESS; 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a generic operation failure. 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 135bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int ERROR = AudioSystem.ERROR; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the use of an invalid value. 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 139bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int ERROR_BAD_VALUE = AudioSystem.BAD_VALUE; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the improper use of a method. 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 143bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int ERROR_INVALID_OPERATION = AudioSystem.INVALID_OPERATION; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 145bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent // Error codes: 146bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent // to keep in sync with frameworks/base/core/jni/android_media_AudioTrack.cpp 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_AUDIOSYSTEM = -16; 148a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private static final int ERROR_NATIVESETUP_INVALIDCHANNELMASK = -17; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDFORMAT = -18; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDSTREAMTYPE = -19; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_NATIVEINITFAILED = -20; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Events: 154e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // to keep in sync with frameworks/av/include/media/AudioTrack.h 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 156ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when playback head has reached a previously set marker. 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_MARKER = 3; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 160ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when previously set update period has elapsed during playback. 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_NEW_POS = 4; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1641f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten private final static String TAG = "android.media.AudioTrack"; 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1677ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** @hide */ 1687ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @IntDef({ 1697ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_BLOCKING, 1707ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_NON_BLOCKING 1717ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi }) 1727ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @Retention(RetentionPolicy.SOURCE) 1737ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public @interface WriteMode {} 1747ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 1757ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 1767ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will block until all data has been written, 1778b520c8f8e176f07ed496a171ddae75e66b3bc4fJean-Michel Trivi * to be used in {@link #write(ByteBuffer, int, int)} 1787ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 1797ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_BLOCKING = 0; 1807ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 1817ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will return immediately after 1827ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * queuing as much audio data for playback as possible without blocking, to be used in 1838b520c8f8e176f07ed496a171ddae75e66b3bc4fJean-Michel Trivi * {@link #write(ByteBuffer, int, int)}. 1847ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 1857ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_NON_BLOCKING = 1; 1867ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Member variables 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 191ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the state of the AudioTrack instance. 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mState = STATE_UNINITIALIZED; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 195ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the play state of the AudioTrack instance. 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mPlayState = PLAYSTATE_STOPPED; 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Lock to make sure mPlayState updates are reflecting the actual state of the object. 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Object mPlayStateLock = new Object(); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 203e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sizes of the native audio buffer. 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeBufferSizeInBytes = 0; 206e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten private int mNativeBufferSizeInFrames = 0; 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 20886fad47e68e344b19fabeab1156c5e6742d8dfadGlenn Kasten * Handler for events coming from the native code. 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21095bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten private NativeEventHandlerDelegate mEventHandlerDelegate; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 212ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Looper associated with the thread that creates the AudioTrack instance. 213105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 214b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten private final Looper mInitializationLooper; 215105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 2168d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * The audio data source sampling rate in Hz. 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2185c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten private int mSampleRate; // initialized by all constructors 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2203026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent * The number of audio output channels (1 is mono, 2 is stereo). 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChannelCount = 1; 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2243026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent * The audio channel mask. 2253026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent */ 2263026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent private int mChannels = AudioFormat.CHANNEL_OUT_MONO; 2273026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 2283026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent /** 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The type of the audio stream to play. See 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2315c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 232b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_ALARM}, {@link AudioManager#STREAM_NOTIFICATION}, and 233b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_DTMF}. 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mStreamType = AudioManager.STREAM_MUSIC; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 237e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The way audio is consumed by the audio sink, streaming or static. 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDataLoadMode = MODE_STREAM; 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 241ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * The current audio channel configuration. 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 243a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private int mChannelConfiguration = AudioFormat.CHANNEL_OUT_MONO; 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The encoding of the audio samples. 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_8BIT 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_16BIT 2487d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * @see AudioFormat#ENCODING_PCM_FLOAT 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; 251619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 252619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Audio session ID 253619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 25460bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten private int mSessionId = AudioSystem.AUDIO_SESSION_ALLOCATE; 2551af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock /** 2561af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock * Reference to the app-ops service. 2571af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock */ 2581af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock private final IAppOpsService mAppOps; 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------- 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used exclusively by native code 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 264ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Accessed by native methods: provides access to C++ AudioTrack object. 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 267075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mNativeTrackInJavaObj; 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Accessed by native methods: provides access to the JNI data (i.e. resources used by 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the native AudioTrack object, but not stored in it). 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 273075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mJniData; 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constructor, Finalize 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Class constructor. 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param streamType the type of the audio stream. See 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2835c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 2845c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 2858d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param channelConfig describes the configuration of the audio channels. 287a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 288a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioFormat the format in which the audio data is represented. 2907d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT}, 2917d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 2927d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 293e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param bufferSizeInBytes the total size (in bytes) of the internal buffer where audio data is 294e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * read from for playback. 295e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STREAM}, you can write data into 296e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * this buffer in chunks less than or equal to this size, and it is typical to use 297e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * chunks of 1/2 of the total size to permit double-buffering. 298e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If the track's creation mode is {@link #MODE_STATIC}, 299e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * this is the maximum length sample, or audio clip, that can be played by this instance. 300ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 301ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for the successful creation of an AudioTrack instance in streaming mode. Using values 302ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * smaller than getMinBufferSize() will result in an initialization failure. 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws java.lang.IllegalArgumentException 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bufferSizeInBytes, int mode) 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalArgumentException { 309619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent this(streamType, sampleRateInHz, channelConfig, audioFormat, 31060bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten bufferSizeInBytes, mode, AudioSystem.AUDIO_SESSION_ALLOCATE); 311619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 312619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 313619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 314619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Class constructor with audio session. Use this constructor when the AudioTrack must be 315619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * attached to a particular audio session. The primary use of the audio session ID is to 316619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * associate audio effects to a particular instance of AudioTrack: if an audio session ID 317619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * is provided when creating an AudioEffect, this effect will be applied only to audio tracks 318619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * and media players in the same session and not to the output mix. 319619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * When an AudioTrack is created without specifying a session, it will create its own session 3208d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * which can be retrieved by calling the {@link #getAudioSessionId()} method. 3215c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * If a non-zero session ID is provided, this AudioTrack will share effects attached to this 3225c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * session 3235c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * with all other media players or audio tracks in the same session, otherwise a new session 3245c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * will be created for this track if none is supplied. 325619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param streamType the type of the audio stream. See 326619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 3275c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 3285c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 3298d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 330619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param channelConfig describes the configuration of the audio channels. 331619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 332619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 333619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param audioFormat the format in which the audio data is represented. 334619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#ENCODING_PCM_16BIT} and 3357d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 3367d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 337619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 338619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * from for playback. If using the AudioTrack in streaming mode, you can write data into 339619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 340619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this is the maximum size of the sound that will be played for this instance. 341619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 342619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * for the successful creation of an AudioTrack instance in streaming mode. Using values 343619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * smaller than getMinBufferSize() will result in an initialization failure. 344619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 345619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param sessionId Id of audio session the AudioTrack must be attached to 346619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @throws java.lang.IllegalArgumentException 347619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 348619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 349619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int bufferSizeInBytes, int mode, int sessionId) 350619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent throws IllegalArgumentException { 351a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // mState already == STATE_UNINITIALIZED 3525c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten 3535c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // remember which looper is associated with the AudioTrack instantiation 354b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten Looper looper; 355b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten if ((looper = Looper.myLooper()) == null) { 356b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten looper = Looper.getMainLooper(); 357105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 358b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten mInitializationLooper = looper; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioParamCheck(streamType, sampleRateInHz, channelConfig, audioFormat, mode); 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffSizeCheck(bufferSizeInBytes); 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3641af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock IBinder b = ServiceManager.getService(Context.APP_OPS_SERVICE); 3651af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock mAppOps = IAppOpsService.Stub.asInterface(b); 3661af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 367619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent if (sessionId < 0) { 368f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio session ID: "+sessionId); 369619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 370619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 371619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int[] session = new int[1]; 372619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent session[0] = sessionId; 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native initialization 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int initResult = native_setup(new WeakReference<AudioTrack>(this), 3753026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mStreamType, mSampleRate, mChannels, mAudioFormat, 376619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mNativeBufferSizeInBytes, mDataLoadMode, session); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initResult != SUCCESS) { 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("Error code "+initResult+" when initializing AudioTrack."); 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // with mState == STATE_UNINITIALIZED 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 382619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mSessionId = session[0]; 383619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataLoadMode == MODE_STATIC) { 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_NO_STATIC_DATA; 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_INITIALIZED; 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3911b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // mask of all the channels supported by this implementation 3921b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi private static final int SUPPORTED_OUT_CHANNELS = 3931b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | 3941b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_RIGHT | 3951b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_CENTER | 3961b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_LOW_FREQUENCY | 3971b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | 3981b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_RIGHT | 3991b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_CENTER; 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Convenience method for the constructor's parameter checks. 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is where constructor IllegalArgumentException-s are thrown 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postconditions: 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mStreamType is valid 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 4063026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent // mChannels is valid 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSampleRate is valid 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mDataLoadMode is valid 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioParamCheck(int streamType, int sampleRateInHz, 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelConfig, int audioFormat, int mode) { 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stream type 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if( (streamType != AudioManager.STREAM_ALARM) && (streamType != AudioManager.STREAM_MUSIC) 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_RING) && (streamType != AudioManager.STREAM_SYSTEM) 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_VOICE_CALL) 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project && (streamType != AudioManager.STREAM_NOTIFICATION) 419a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent && (streamType != AudioManager.STREAM_BLUETOOTH_SCO) 420a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent && (streamType != AudioManager.STREAM_DTMF)) { 421f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid stream type."); 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 423896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mStreamType = streamType; 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4265c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( (sampleRateInHz < 4000) || (sampleRateInHz > 48000) ) { 428f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException(sampleRateInHz 429f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten + "Hz is not a supported sample rate."); 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 431896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mSampleRate = sampleRateInHz; 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // channel config 4353026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannelConfiguration = channelConfig; 4363026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (channelConfig) { 4383026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_OUT_DEFAULT: //AudioFormat.CHANNEL_CONFIGURATION_DEFAULT 439a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 4403026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 1; 4423026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_MONO; 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 444a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 4453026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 2; 4473026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_STEREO; 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 450d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if (!isMultichannelConfigSupported(channelConfig)) { 4511b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 452f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported channel configuration."); 4531b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 454896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mChannels = channelConfig; 455896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mChannelCount = Integer.bitCount(channelConfig); 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio format 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (audioFormat) { 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_DEFAULT: 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_PCM_16BIT: 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case AudioFormat.ENCODING_PCM_8BIT: 46654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten case AudioFormat.ENCODING_PCM_FLOAT: 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAudioFormat = audioFormat; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 470f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported sample encoding." 47154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten + " Should be ENCODING_PCM_8BIT or ENCODING_PCM_16BIT" 4727d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten + " or ENCODING_PCM_FLOAT" 47354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten + "."); 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio load mode 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ( (mode != MODE_STREAM) && (mode != MODE_STATIC) ) { 479f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid mode."); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 481896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mDataLoadMode = mode; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 484d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi /** 485d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * Convenience method to check that the channel configuration (a.k.a channel mask) is supported 486d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @param channelConfig the mask to validate 487d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @return false if the AudioTrack can't be used with such a mask 488d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi */ 489d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi private static boolean isMultichannelConfigSupported(int channelConfig) { 490d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported channels 491d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 4921f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Channel configuration features unsupported channels"); 493d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 494d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 495d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported multichannel combinations: 496d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - FL/FR must be present 497d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - L/R channels must be paired (e.g. no single L channel) 498d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int frontPair = 499d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | AudioFormat.CHANNEL_OUT_FRONT_RIGHT; 500d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & frontPair) != frontPair) { 5011f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Front channels must be present in multichannel configurations"); 502d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 503d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 504d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int backPair = 505d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | AudioFormat.CHANNEL_OUT_BACK_RIGHT; 506d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != 0) { 507d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != backPair) { 5081f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Rear channels can't be used independently"); 509d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 510d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 511d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 512d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return true; 513d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 514d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 516e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // Convenience method for the constructor's audio buffer size check. 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // preconditions: 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postcondition: 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeBufferSizeInBytes is valid (multiple of frame size, positive) 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioBuffSizeCheck(int audioBufferSize) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NB: this section is only valid with PCM data. 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // To update when supporting compressed formats 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int frameSizeInBytes = mChannelCount 52634a37bdebb3d606dac7c7d1dd7a0effdb59bd3d6Glenn Kasten * (AudioFormat.getBytesPerSample(mAudioFormat)); 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) { 528f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio buffer size."); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeBufferSizeInBytes = audioBufferSize; 532e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten mNativeBufferSizeInFrames = audioBufferSize / frameSizeInBytes; 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the native AudioTrack resources. 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void release() { 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // even though native_release() stops the native AudioTrack, we need to stop 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // AudioTrack subclasses too. 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 544fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } catch(IllegalStateException ise) { 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't raise an exception, we're releasing the resources. 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_UNINITIALIZED; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_finalize(); 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Getters 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 56078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Returns the minimum gain value, which is the constant 0.0. 56178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Gain values less than 0.0 will be clamped to 0.0. 56278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 56378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @return the minimum value, which is the constant 0.0. 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMinVolume() { 56678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return GAIN_MIN; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 57078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Returns the maximum gain value, which is greater than or equal to 1.0. 57178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Gain values greater than the maximum will be clamped to the maximum. 57278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a gain. 57378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * expressed as a linear multiplier on sample values, where a maximum value of 1.0 57478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * corresponds to a gain of 0 dB (sample values left unmodified). 57578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @return the maximum value, which is greater than or equal to 1.0. 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMaxVolume() { 57878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return GAIN_MAX; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data sample rate in Hz 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSampleRate() { 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSampleRate; 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 587fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 58988e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * Returns the current playback rate in Hz. 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackRate() { 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_playback_rate(); 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data format. See {@link AudioFormat#ENCODING_PCM_16BIT} 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * and {@link AudioFormat#ENCODING_PCM_8BIT}. 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getAudioFormat() { 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAudioFormat; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the type of audio stream this AudioTrack is configured for. 6059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compare the result against {@link AudioManager#STREAM_VOICE_CALL}, 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_SYSTEM}, {@link AudioManager#STREAM_RING}, 6075c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_MUSIC}, {@link AudioManager#STREAM_ALARM}, 608b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_NOTIFICATION}, or {@link AudioManager#STREAM_DTMF}. 6099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getStreamType() { 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured channel configuration. 616a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} 617a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * and {@link AudioFormat#CHANNEL_OUT_STEREO}. 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelConfiguration() { 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelConfiguration; 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured number of channels. 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelCount() { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the state of the AudioTrack instance. This is useful after the 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AudioTrack instance has been created to check if it was initialized 633e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * properly. This ensures that the appropriate resources have been acquired. 634ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_INITIALIZED 635ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_NO_STATIC_DATA 636ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_UNINITIALIZED 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getState() { 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the playback state of the AudioTrack instance. 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_STOPPED 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PAUSED 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PLAYING 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlayState() { 64906e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath synchronized (mPlayStateLock) { 65006e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath return mPlayState; 65106e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 655e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the "native frame count", derived from the bufferSizeInBytes specified at 656e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * creation time and converted to frame units. 657e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STATIC}, 658e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is equal to the specified bufferSizeInBytes converted to frame units. 659e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STREAM}, 660e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is typically greater than or equal to the specified bufferSizeInBytes converted to frame 661e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * units; it may be rounded up to a larger value if needed by the target device implementation. 66255a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * @deprecated Only accessible by subclasses, which are not recommended for AudioTrack. 66355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * See {@link AudioManager#getProperty(String)} for key 66455a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * {@link AudioManager#PROPERTY_OUTPUT_FRAMES_PER_BUFFER}. 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 66655a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten @Deprecated 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected int getNativeFrameCount() { 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_native_frame_count(); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 672ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns marker position expressed in frames. 673e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @return marker position in wrapping frame units similar to {@link #getPlaybackHeadPosition}, 674e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or zero if marker is disabled. 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNotificationMarkerPosition() { 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_marker_pos(); 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 681ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns the notification update period expressed in frames. 682e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero means that no position update notifications are being delivered. 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPositionNotificationPeriod() { 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_pos_update_period(); 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 689e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the playback head position expressed in frames. 690e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Though the "int" type is signed 32-bits, the value should be reinterpreted as if it is 691e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * unsigned 32-bits. That is, the next position after 0x7FFFFFFF is (int) 0x80000000. 692e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * This is a continuously advancing counter. It will wrap (overflow) periodically, 693e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * for example approximately once every 27:03:11 hours:minutes:seconds at 44.1 kHz. 694e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * It is reset to zero by flush(), reload(), and stop(). 6959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackHeadPosition() { 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_position(); 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 70161dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * Returns this track's estimated latency in milliseconds. This includes the latency due 70261dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * to AudioTrack buffer size, AudioMixer (if any) and audio hardware driver. 70361dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * 70461dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * DO NOT UNHIDE. The existing approach for doing A/V sync has too many problems. We need 70561dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * a better solution. 70661dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * @hide 70761dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman */ 70861dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman public int getLatency() { 70961dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman return native_get_latency(); 71061dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman } 71161dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 71261dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman /** 713e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the output sample rate in Hz for the specified stream type. 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getNativeOutputSampleRate(int streamType) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_output_sample_rate(streamType); 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 718fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the minimum buffer size required for the successful creation of an AudioTrack 721ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * object to be created in the {@link #MODE_STREAM} mode. Note that this size doesn't 722ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * guarantee a smooth playback under load, and higher values should be chosen according to 723fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * the expected frequency at which the buffer will be refilled with additional data to play. 7248d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * For example, if you intend to dynamically set the source sample rate of an AudioTrack 7258d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * to a higher value than the initial source sample rate, be sure to configure the buffer size 7268d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * based on the highest planned sample rate. 7278d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the source sample rate expressed in Hz. 728fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param channelConfig describes the configuration of the audio channels. 729a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 730a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 731fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param audioFormat the format in which the audio data is represented. 732fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT} and 7337d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 7347d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #ERROR_BAD_VALUE} if an invalid parameter was passed, 736e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or {@link #ERROR} if unable to query for output properties, 737ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * or the minimum buffer size expressed in bytes. 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) { 7409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelCount = 0; 7419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(channelConfig) { 742a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 7433026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 1; 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 746a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 7473026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 2; 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 7511b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 7521b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 7531b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi loge("getMinBufferSize(): Invalid channel configuration."); 754df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 7551b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } else { 7561b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi channelCount = Integer.bitCount(channelConfig); 7571b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 759fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 760fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ((audioFormat != AudioFormat.ENCODING_PCM_16BIT) 76154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (audioFormat != AudioFormat.ENCODING_PCM_8BIT) 76254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (audioFormat != AudioFormat.ENCODING_PCM_FLOAT)) { 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): Invalid audio format."); 764df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 766fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 7675c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 768ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten if ( (sampleRateInHz < SAMPLE_RATE_HZ_MIN) || (sampleRateInHz > SAMPLE_RATE_HZ_MAX) ) { 769ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten loge("getMinBufferSize(): " + sampleRateInHz + " Hz is not a supported sample rate."); 770df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 772fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = native_get_min_buff_size(sampleRateInHz, channelCount, audioFormat); 774a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (size <= 0) { 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): error querying hardware"); 776df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR; 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 783619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 784619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Returns the audio session ID. 785619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * 786619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @return the ID of the audio session this AudioTrack belongs to. 787619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 788619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public int getAudioSessionId() { 789619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent return mSessionId; 790619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 792948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten /** 793948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * Poll for a timestamp on demand. 794948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * 7955e8f278f083f6a75cb6d1b09671c335156f93d1bGlenn Kasten * Use if you need to get the most recent timestamp outside of the event callback handler. 796948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * Calling this method too often may be inefficient; 797948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * if you need a high-resolution mapping between frame position and presentation time, 798948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * consider implementing that at application level, based on low-resolution timestamps. 799948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * The audio data at the returned position may either already have been 800948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * presented, or may have not yet been presented but is committed to be presented. 801948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * It is not possible to request the time corresponding to a particular position, 802948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * or to request the (fractional) position corresponding to a particular time. 803948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * If you need such features, consider implementing them at application level. 804948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * 805948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * @param timestamp a reference to a non-null AudioTimestamp instance allocated 806596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * and owned by caller. 807596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * @return true if a timestamp is available, or false if no timestamp is available. 808596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * If a timestamp if available, 809948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * the AudioTimestamp instance is filled in with a position in frame units, together 810948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * with the estimated time when that frame was presented or is committed to 811948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * be presented. 812948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * In the case that no timestamp is available, any supplied instance is left unaltered. 813948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten */ 814596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten public boolean getTimestamp(AudioTimestamp timestamp) 815948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten { 816596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (timestamp == null) { 817596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten throw new IllegalArgumentException(); 818596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten } 819948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // It's unfortunate, but we have to either create garbage every time or use synchronized 820948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten long[] longArray = new long[2]; 821948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten int ret = native_get_timestamp(longArray); 822596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (ret != SUCCESS) { 823596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return false; 824948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 825596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.framePosition = longArray[0]; 826596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.nanoTime = longArray[1]; 827596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return true; 828948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 829948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 830948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Initialization / configuration 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8354df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the listener the AudioTrack notifies when a previously set marker is reached or 8364df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * for each periodic playback head position update. 837ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Notifications will be received in the same thread as the one in which the AudioTrack 838ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * instance was created. 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8414df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener) { 8424df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project setPlaybackPositionUpdateListener(listener, null); 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 844fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 845ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** 846ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the listener the AudioTrack notifies when a previously set marker is reached or 847ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for each periodic playback head position update. 848ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Use this method to receive AudioTrack events in the Handler associated with another 849ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * thread than the one in which you created the AudioTrack instance. 850ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param listener 851ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param handler the Handler that will receive the event notification messages. 852ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi */ 853fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener, 8544df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler handler) { 8554df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 85695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = new NativeEventHandlerDelegate(this, listener, handler); 85795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } else { 85895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = null; 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 86378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static float clampGainOrLevel(float gainOrLevel) { 86478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten if (Float.isNaN(gainOrLevel)) { 86578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten throw new IllegalArgumentException(); 86678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 86778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten if (gainOrLevel < GAIN_MIN) { 86878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten gainOrLevel = GAIN_MIN; 86978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } else if (gainOrLevel > GAIN_MAX) { 87078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten gainOrLevel = GAIN_MAX; 87178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 87278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return gainOrLevel; 87378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 87478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten 8754df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 87778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Sets the specified left and right output gain values on the AudioTrack. 87878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Gain values are clamped to the closed interval [0.0, max] where 87978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 88078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in zero gain (silence), and 88178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * a value of 1.0 means unity gain (signal unchanged). 88278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * The default value is 1.0 meaning unity gain. 88378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 88478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param leftGain output gain for the left channel. 88578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param rightGain output gain for the right channel 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, 8879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 88878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @deprecated Applications should use {@link #setVolume} instead, as it 88978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * more gracefully scales down to mono, and up to multi-channel content beyond stereo. 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 89178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten public int setStereoVolume(float leftGain, float rightGain) { 8921af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 8931af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return SUCCESS; 8941af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 8953b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 89978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten leftGain = clampGainOrLevel(leftGain); 90078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten rightGain = clampGainOrLevel(rightGain); 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 90278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten native_setVolume(leftGain, rightGain); 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SUCCESS; 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 90978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Sets the specified output gain value on all channels of this track. 91078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Gain values are clamped to the closed interval [0.0, max] where 91178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 91278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in zero gain (silence), and 91378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * a value of 1.0 means unity gain (signal unchanged). 91478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * The default value is 1.0 meaning unity gain. 91578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>This API is preferred over {@link #setStereoVolume}, as it 91678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * more gracefully scales down to mono, and up to multi-channel content beyond stereo. 91778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 91878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param gain output gain for all channels. 9193e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * @return error code or success, see {@link #SUCCESS}, 9203e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 921068225de0197df07a0247b2877666ea91c22c992Glenn Kasten */ 92278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten public int setVolume(float gain) { 92378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return setStereoVolume(gain, gain); 924068225de0197df07a0247b2877666ea91c22c992Glenn Kasten } 925068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 926068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 927068225de0197df07a0247b2877666ea91c22c992Glenn Kasten /** 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the playback sample rate for this track. This sets the sampling rate at which 9298d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * the audio data will be consumed and played back 9308d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * (as set by the sampleRateInHz parameter in the 9318d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * {@link #AudioTrack(int, int, int, int, int, int)} constructor), 9328d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * not the original sampling rate of the 933e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * content. For example, setting it to half the sample rate of the content will cause the 934e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * playback to last twice as long, but will also result in a pitch shift down by one octave. 935e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The valid sample rate range is from 1 Hz to twice the value returned by 93688e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * {@link #getNativeOutputSampleRate(int)}. 937ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param sampleRateInHz the sample rate expressed in Hz 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 9409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackRate(int sampleRateInHz) { 942f19395db6343efdf80d064e0ba7c3b9aa4dbae75Glenn Kasten if (mState != STATE_INITIALIZED) { 9439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 9449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRateInHz <= 0) { 9469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 94888e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return native_set_playback_rate(sampleRateInHz); 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 953e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sets the position of the notification marker. At most one marker can be active. 954e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param markerInFrames marker position in wrapping frame units similar to 955e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * {@link #getPlaybackHeadPosition}, or zero to disable the marker. 956e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * To set a marker at a position which would appear as zero due to wraparound, 957e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * a workaround is to use a non-zero position near zero, such as -1 or 1. 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 9609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setNotificationMarkerPosition(int markerInFrames) { 9623b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_marker_pos(markerInFrames); 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 970ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the period for the periodic notification event. 971ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param periodInFrames update period expressed in frames 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_INVALID_OPERATION} 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPositionNotificationPeriod(int periodInFrames) { 9753b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_pos_update_period(periodInFrames); 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 983a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Sets the playback head position. 984a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * The track must be stopped or paused for the position to be changed, 985a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 986ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param positionInFrames playback head position expressed in frames 987e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 988e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The position must not be greater than the buffer size in frames, or negative. 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackHeadPosition(int positionInFrames) { 993a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED || 994a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 995a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ERROR_INVALID_OPERATION; 9969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 997e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (!(0 <= positionInFrames && positionInFrames <= mNativeBufferSizeInFrames)) { 998e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 999e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 1000a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return native_set_position(positionInFrames); 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the loop points and the loop count. The loop can be infinite. 1005a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Similarly to setPlaybackHeadPosition, 1006e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * the track must be stopped or paused for the loop points to be changed, 1007a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 1008ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param startInFrames loop start marker expressed in frames 1009e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 1010e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The start marker must not be greater than or equal to the buffer size in frames, or negative. 1011ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param endInFrames loop end marker expressed in frames 1012e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The total buffer size in frames corresponds to end of buffer. 1013e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The end marker must not be greater than the buffer size in frames. 1014e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For looping, the end marker must not be less than or equal to the start marker, 1015e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * but to disable looping 1016e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is permitted for start marker, end marker, and loop count to all be 0. 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param loopCount the number of times the loop is looped. 1018e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * A value of -1 means infinite looping, and 0 disables looping. 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setLoopPoints(int startInFrames, int endInFrames, int loopCount) { 1023a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED || 1024a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1027e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (loopCount == 0) { 1028e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten ; // explicitly allowed as an exception to the loop region range check 1029e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } else if (!(0 <= startInFrames && startInFrames < mNativeBufferSizeInFrames && 1030e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten startInFrames < endInFrames && endInFrames <= mNativeBufferSizeInFrames)) { 1031e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 1032e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_loop(startInFrames, endInFrames, loopCount); 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 103755a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * Sets the initialization state of the instance. This method was originally intended to be used 103855a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * in an AudioTrack subclass constructor to set a subclass-specific post-initialization state. 103955a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * However, subclasses of AudioTrack are no longer recommended, so this method is obsolete. 10409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param state the state of the AudioTrack instance 104155a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * @deprecated Only accessible by subclasses, which are not recommended for AudioTrack. 10429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 104355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten @Deprecated 10449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setState(int state) { 10459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 10469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Transport control methods 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Starts playing an AudioTrack. 1054e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * If track's creation mode is {@link #MODE_STATIC}, you must have called write() prior. 105588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 10569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 10579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void play() 10599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1061f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("play() called on uninitialized AudioTrack."); 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10631af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 10641af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock setVolume(0); 10651af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 10669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_start(); 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PLAYING; 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10721af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock private boolean isRestricted() { 10731af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock try { 10741af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock final int mode = mAppOps.checkAudioOperation(AppOpsManager.OP_PLAY_AUDIO, mStreamType, 10751af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock Process.myUid(), ActivityThread.currentPackageName()); 10761af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return mode != AppOpsManager.MODE_ALLOWED; 10771af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } catch (RemoteException e) { 10781af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return false; 10791af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 10801af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 10811af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 10829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops playing the audio data. 1084a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * When used on an instance created in {@link #MODE_STREAM} mode, audio will stop playing 1085a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * after the last buffer that was written has been played. For an immediate stop, use 1086a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * {@link #pause()}, followed by {@link #flush()} to discard audio data that hasn't been played 1087a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * back yet. 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 10899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void stop() 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1093f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("stop() called on uninitialized AudioTrack."); 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stop playing 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_stop(); 10999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_STOPPED; 11009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 110488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Pauses the playback of the audio data. Data that has not been played 110588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * back will not be discarded. Subsequent calls to {@link #play} will play 1106a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * this data back. See {@link #flush()} to discard this data. 110788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 11089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void pause() 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1113f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("pause() called on uninitialized AudioTrack."); 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("pause()"); 11169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pause playback 11189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 11199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_pause(); 11209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PAUSED; 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 11269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Audio data supply 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 113088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Flushes the audio data currently queued for playback. Any data that has 1131e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * not been played back will be discarded. No-op if not stopped or paused, 1132e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or if the track's creation mode is not {@link #MODE_STREAM}. 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void flush() { 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_INITIALIZED) { 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // flush the data in native layer 11379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_flush(); 11389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1143e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1144e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 1145e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In streaming mode, will block until all data has been written to the audio sink. 1146e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 114788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 114888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 1149e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 115088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 11519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 115288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * @param offsetInBytes the offset expressed in bytes in audioData where the data to play 1153ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 11549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sizeInBytes the number of bytes to read in audioData after the offset. 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes that were written or {@link #ERROR_INVALID_OPERATION} 11569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the parameters don't resolve to valid data and indexes. 11589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11605c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten public int write(byte[] audioData, int offsetInBytes, int sizeInBytes) { 11619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 116254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) { 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 11649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1166fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInBytes < 0 ) || (sizeInBytes < 0) 1167a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInBytes + sizeInBytes < 0) // detect integer overflow 11689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInBytes + sizeInBytes > audioData.length)) { 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11727ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = native_write_byte(audioData, offsetInBytes, sizeInBytes, mAudioFormat, 11737ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi true /*isBlocking*/); 1174a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1175a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1176a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1177a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1178a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1179a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1180a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1181a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1182a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 11869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1187e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1188e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 1189e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In streaming mode, will block until all data has been written to the audio sink. 1190e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 119188bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 119288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 1193e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 119488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 11959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 1196ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param offsetInShorts the offset expressed in shorts in audioData where the data to play 1197ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 1198e8c82a37050e568f211d47951480b182a61d42b4Glenn Kasten * @param sizeInShorts the number of shorts to read in audioData after the offset. 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of shorts that were written or {@link #ERROR_INVALID_OPERATION} 120054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 120154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * the parameters don't resolve to valid data and indexes. 12029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int write(short[] audioData, int offsetInShorts, int sizeInShorts) { 1205fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 120654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) { 12079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 12089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1210fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInShorts < 0 ) || (sizeInShorts < 0) 1211a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInShorts + sizeInShorts < 0) // detect integer overflow 12129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInShorts + sizeInShorts > audioData.length)) { 12139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 12149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1216a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten int ret = native_write_short(audioData, offsetInShorts, sizeInShorts, mAudioFormat); 1217a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1218a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1219a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1220a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1221a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1222a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1223a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1224a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1225a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 12269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12307ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * Writes the audio data to the audio sink for playback (streaming mode), 12317ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * or copies audio data for later playback (static buffer mode). 123254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0, 123354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * and the write mode is ignored. 123454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * In streaming mode, the blocking behavior will depend on the write mode. 123554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <p> 123654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * Note that the actual playback of this data might occur after this function 123754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * returns. This function is thread safe with respect to {@link #stop} calls, 123854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 123954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <p> 124054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param audioData the array that holds the data to play. 124154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * The implementation does not clip for sample values within the nominal range 124254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * [-1.0f, 1.0f], provided that all gains in the audio pipeline are 124354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * less than or equal to unity (1.0f), and in the absence of post-processing effects 124454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * that could add energy, such as reverb. For the convenience of applications 124554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * that compute samples using filters with non-unity gain, 124654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * sample values +3 dB beyond the nominal range are permitted. 124754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * However such values may eventually be limited or clipped, depending on various gains 124854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * and later processing in the audio path. Therefore applications are encouraged 124954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * to provide samples values within the nominal range. 125054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param offsetInFloats the offset, expressed as a number of floats, 125154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * in audioData where the data to play starts. 125254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param sizeInFloats the number of floats to read in audioData after the offset. 125354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 125454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * effect in static mode. 125554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 125654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * to the audio sink. 125754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 125854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * queuing as much audio data for playback as possible without blocking. 125954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @return the number of floats that were written, or {@link #ERROR_INVALID_OPERATION} 126054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 126154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * the parameters don't resolve to valid data and indexes. 126254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten */ 126354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten public int write(float[] audioData, int offsetInFloats, int sizeInFloats, 126454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten @WriteMode int writeMode) { 126554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 126654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mState == STATE_UNINITIALIZED) { 126754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 126854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_INVALID_OPERATION; 126954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 127054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 127154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mAudioFormat != AudioFormat.ENCODING_PCM_FLOAT) { 127254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write(float[] ...) requires format ENCODING_PCM_FLOAT"); 127354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_INVALID_OPERATION; 127454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 127554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 127654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 127754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 127854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_BAD_VALUE; 127954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 128054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 128154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ( (audioData == null) || (offsetInFloats < 0 ) || (sizeInFloats < 0) 128254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten || (offsetInFloats + sizeInFloats < 0) // detect integer overflow 128354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten || (offsetInFloats + sizeInFloats > audioData.length)) { 128454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called with invalid array, offset, or size"); 128554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_BAD_VALUE; 128654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 128754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 128854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten int ret = native_write_float(audioData, offsetInFloats, sizeInFloats, mAudioFormat, 128954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten writeMode == WRITE_BLOCKING); 129054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 129154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 129254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 129354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (ret > 0)) { 129454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten // benign race with respect to other APIs that read mState 129554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten mState = STATE_INITIALIZED; 129654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 129754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 129854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ret; 129954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 130054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 130154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 130254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten /** 130354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 130454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * or copies audio data for later playback (static buffer mode). 13057ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * In static buffer mode, copies the data to the buffer starting at its 0 offset, and the write 13067ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * mode is ignored. 13077ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * In streaming mode, the blocking behavior will depend on the write mode. 13087ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param audioData the buffer that holds the data to play, starting at the position reported 13097ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * by <code>audioData.position()</code>. 13105d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * <BR>Note that upon return, the buffer position (<code>audioData.position()</code>) will 13115d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * have been advanced to reflect the amount of data that was successfully written to 13125d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * the AudioTrack. 13135d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * @param sizeInBytes number of bytes to write. 13145d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * <BR>Note this may differ from <code>audioData.remaining()</code>, but cannot exceed it. 13157ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 13167ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * effect in static mode. 13177ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 13187ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * to the audio sink. 13197ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 13207ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * queuing as much audio data for playback as possible without blocking. 13217ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @return 0 or a positive number of bytes that were written, or 13227ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * {@link #ERROR_BAD_VALUE}, {@link #ERROR_INVALID_OPERATION} 13237ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 13245d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi public int write(ByteBuffer audioData, int sizeInBytes, 13257ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @WriteMode int writeMode) { 13267ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 13277ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (mState == STATE_UNINITIALIZED) { 13287ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 13297ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_INVALID_OPERATION; 13307ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 13317ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 133254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) { 133354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write(ByteBuffer ...) not yet supported for ENCODING_PCM_FLOAT"); 133454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_INVALID_OPERATION; 133554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 133654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 13377ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 13387ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 13397ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 13407ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 13417ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 13425d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi if ( (audioData == null) || (sizeInBytes < 0) || (sizeInBytes > audioData.remaining())) { 13435d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid size (" + sizeInBytes + ") value"); 13447ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 13457ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 13467ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 13477ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = 0; 13487ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (audioData.isDirect()) { 13497ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_native_bytes(audioData, 13505d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi audioData.position(), sizeInBytes, mAudioFormat, 13517ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 13527ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } else { 13537ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_byte(NioUtils.unsafeArray(audioData), 13545d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi NioUtils.unsafeArrayOffset(audioData) + audioData.position(), 13557ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi sizeInBytes, mAudioFormat, 13567ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 13577ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 13587ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 13597ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((mDataLoadMode == MODE_STATIC) 13607ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (mState == STATE_NO_STATIC_DATA) 13617ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (ret > 0)) { 13627ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi // benign race with respect to other APIs that read mState 13637ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi mState = STATE_INITIALIZED; 13647ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 13657ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 13665d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi if (ret > 0) { 13675d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi audioData.position(audioData.position() + ret); 13685d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi } 13695d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi 13707ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ret; 13717ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 13727ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 13737ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 13749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Notifies the native resource to reuse the audio data already loaded in the native 1375e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * layer, that is to rewind to start of buffer. 1376e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The track's creation mode must be {@link #MODE_STATIC}. 13779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 13789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 13799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int reloadStaticData() { 1381a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED) { 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_reload_static(); 13859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13877070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------------------------------------------------------------- 13887070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent // Audio effects management 13897070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------- 13907070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 13917070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 13921a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * Attaches an auxiliary effect to the audio track. A typical auxiliary 13931a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * effect is a reverberation effect which can be applied on any sound source 13941a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * that directs a certain amount of its energy to this effect. This amount 13951a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * is defined by setAuxEffectSendLevel(). 13967070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@see #setAuxEffectSendLevel(float)}. 13971a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>After creating an auxiliary effect (e.g. 13981a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.EnvironmentalReverb}), retrieve its ID with 13991a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.AudioEffect#getId()} and use it when calling 14007070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method to attach the audio track to the effect. 14011a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>To detach the effect from the audio track, call this method with a 14021a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * null effect id. 14037070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 14047070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @param effectId system wide unique id of the effect to attach 14057070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 14067070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR_BAD_VALUE} 14077070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 14087070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int attachAuxEffect(int effectId) { 14093b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 14107070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 14117070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 14127070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return native_attachAuxEffect(effectId); 14137070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 14147070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 14157070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 14167070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * Sets the send level of the audio track to the attached auxiliary effect 141778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * {@link #attachAuxEffect(int)}. Effect levels 141878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * are clamped to the closed interval [0.0, max] where 141978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 142078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in no effect, and a value of 1.0 is full send. 1421e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * <p>By default the send level is 0.0f, so even if an effect is attached to the player 14227070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method must be called for the effect to be applied. 142378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Note that the passed level value is a linear scalar. UI controls should be scaled 142478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * logarithmically: the gain applied by audio framework ranges from -72dB to at least 0dB, 14257070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * so an appropriate conversion from linear UI input x to level is: 14265c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * x == 0 -> level = 0 14275c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * 0 < x <= R -> level = 10^(72*(x-R)/20/R) 14287070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 142978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param level linear send level 14307070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 14313009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR} 14327070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 14337070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int setAuxEffectSendLevel(float level) { 14341af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 14351af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return SUCCESS; 14361af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 14373b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 14387070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 14397070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 144078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten level = clampGainOrLevel(level); 14413009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten int err = native_setAuxEffectSendLevel(level); 14423009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten return err == 0 ? SUCCESS : ERROR; 14437070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Interface definitions 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14494df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Interface definition for a callback to be invoked when the playback head position of 14504df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * an AudioTrack has reached a notification marker or has increased by a certain period. 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14524df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public interface OnPlaybackPositionUpdateListener { 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to notify it that the previously set marker has been reached 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the playback head. 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMarkerReached(AudioTrack track); 1458fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 14599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to periodically notify it that the playback head has reached 14619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a multiple of the notification period. 14629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPeriodicNotification(AudioTrack track); 14649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inner classes 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 14709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14714df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Helper class to handle the forwarding of native events to the appropriate listener 14724df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * (potentially) handled in a different thread 14735c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten */ 14744df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private class NativeEventHandlerDelegate { 14754df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private final Handler mHandler; 1476fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 147795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten NativeEventHandlerDelegate(final AudioTrack track, 147895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten final OnPlaybackPositionUpdateListener listener, 147995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler) { 14804df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // find the looper for our new event handler 14814df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Looper looper; 14824df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (handler != null) { 14834df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project looper = handler.getLooper(); 14844df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 1485105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // no given handler, use the looper the AudioTrack was created in 1486105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project looper = mInitializationLooper; 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1488fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 14894df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // construct the event handler with this looper 14904df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (looper != null) { 14914df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // implement the event handler delegate 14924df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = new Handler(looper) { 14934df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project @Override 14944df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void handleMessage(Message msg) { 149595bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (track == null) { 14964df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return; 14974df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 14984df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project switch(msg.what) { 14994df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_MARKER: 15004df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 150195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onMarkerReached(track); 15024df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 15034df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 15044df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_NEW_POS: 15054df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 150695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onPeriodicNotification(track); 15074df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 15084df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 15094df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project default: 15101f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Unknown native event type: " + msg.what); 15114df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 15124df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 15134df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 15144df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project }; 15154df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 15164df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = null; 1517fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } 15184df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 1519fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 15204df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler getHandler() { 15214df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return mHandler; 15229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Java methods called from the native side 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object audiotrack_ref, 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) { 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("Event posted from the native side: event="+ what + " args="+ arg1+" "+arg2); 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioTrack track = (AudioTrack)((WeakReference)audiotrack_ref).get(); 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (track == null) { 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 153895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten NativeEventHandlerDelegate delegate = track.mEventHandlerDelegate; 153995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (delegate != null) { 154095bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler = delegate.getHandler(); 154195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (handler != null) { 154295bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Message m = handler.obtainMessage(what, arg1, arg2, obj); 154395bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten handler.sendMessage(m); 154495bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 15519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Native methods called from the Java side 15529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 15539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_setup(Object audiotrack_this, 1555a4b06fd111185f4f245d816c09074107fef960bbGlenn Kasten int streamType, int sampleRate, int channelMask, int audioFormat, 1556619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int buffSizeInBytes, int mode, int[] sessionId); 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 15599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_start(); 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_stop(); 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_pause(); 15679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_flush(); 15699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_byte(byte[] audioData, 15717ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int offsetInBytes, int sizeInBytes, int format, 15727ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi boolean isBlocking); 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_short(short[] audioData, 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int offsetInShorts, int sizeInShorts, int format); 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 157754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten private native final int native_write_float(float[] audioData, 157854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten int offsetInFloats, int sizeInFloats, int format, 157954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten boolean isBlocking); 158054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 15817ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi private native final int native_write_native_bytes(Object audioData, 15825d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi int positionInBytes, int sizeInBytes, int format, boolean blocking); 15837ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_reload_static(); 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_native_frame_count(); 15879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setVolume(float leftVolume, float rightVolume); 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 159088e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_set_playback_rate(int sampleRateInHz); 159188e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_get_playback_rate(); 15929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_marker_pos(int marker); 15949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_marker_pos(); 15959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_pos_update_period(int updatePeriod); 15979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_pos_update_period(); 15989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_position(int position); 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_position(); 16019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 160261dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman private native final int native_get_latency(); 160361dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 1604948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // longArray must be a non-null array of length >= 2 1605948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [0] is assigned the frame position 1606948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [1] is assigned the time in CLOCK_MONOTONIC nanoseconds 1607948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten private native final int native_get_timestamp(long[] longArray); 1608948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_loop(int start, int end, int loopCount); 16109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_output_sample_rate(int streamType); 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_min_buff_size( 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sampleRateInHz, int channelConfig, int audioFormat); 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16157070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent private native final int native_attachAuxEffect(int effectId); 16163009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten private native final int native_setAuxEffectSendLevel(float level); 16177070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 16189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Utility methods 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //------------------ 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void logd(String msg) { 16231f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.d(TAG, msg); 16249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void loge(String msg) { 16271f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.e(TAG, msg); 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1631