AudioTrack.java revision 2d61e2b97c92ac2de80ebb3782b728ae5cdf5306
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; 22cfe964a09ca05778e5dd84f2fd24119b89401696Rachadimport java.lang.Math; 237ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport java.nio.ByteBuffer; 24cfe964a09ca05778e5dd84f2fd24119b89401696Rachadimport java.nio.ByteOrder; 257ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport java.nio.NioUtils; 26d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLeanimport java.util.Collection; 2735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 287ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Triviimport android.annotation.IntDef; 2935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Triviimport android.annotation.NonNull; 3035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Triviimport android.annotation.SystemApi; 311af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.app.ActivityThread; 321af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.app.AppOpsManager; 331af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.content.Context; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 351af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.IBinder; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 381af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.Process; 391af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.RemoteException; 401af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.ServiceManager; 41d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLeanimport android.util.ArrayMap; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 441af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport com.android.internal.app.IAppOpsService; 451af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The AudioTrack class manages and plays a single audio resource for Java applications. 49e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * It allows streaming of PCM audio buffers to the audio sink for playback. This is 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * achieved by "pushing" the data to the AudioTrack object using one of the 517d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link #write(byte[], int, int)}, {@link #write(short[], int, int)}, 527d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link #write(float[], int, int, int)} methods. 5388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 54ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <p>An AudioTrack instance can operate under two modes: static or streaming.<br> 55ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * In Streaming mode, the application writes a continuous stream of data to the AudioTrack, using 5688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * one of the {@code write()} methods. These are blocking and return when the data has been 5788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * transferred from the Java layer to the native layer and queued for playback. The streaming 5888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * mode is most useful when playing blocks of audio data that for instance are: 5988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the duration of the sound to play,</li> 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the characteristics of the audio data 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (high sampling rate, bits per sample ...)</li> 64ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <li>received or generated while previously queued audio is playing.</li> 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 6688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 675c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * The static mode should be chosen when dealing with short sounds that fit in memory and 6888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * that need to be played with the smallest latency possible. The static mode will 6988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * therefore be preferred for UI and game sounds that are played often, and with the 7088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * smallest overhead possible. 7188bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Upon creation, an AudioTrack object initializes its associated audio buffer. 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The size of this buffer, specified during the construction, determines how long an AudioTrack 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can play before running out of data.<br> 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For an AudioTrack using the static mode, this size is the maximum size of the sound that can 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be played from it.<br> 77e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For the streaming mode, data will be written to the audio sink in chunks of 785c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * sizes less than or equal to the total buffer size. 7955a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * 8055a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * AudioTrack is not final and thus permits subclasses, but such use is not recommended. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class AudioTrack 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constants 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 8778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten /** Minimum value for a linear gain or auxiliary effect level. 8878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * This value must be exactly equal to 0.0f; do not change it. 8978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten */ 9078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static final float GAIN_MIN = 0.0f; 9178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten /** Maximum value for a linear gain or auxiliary effect level. 9278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * This value must be greater than or equal to 1.0f. 9378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten */ 9478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static final float GAIN_MAX = 1.0f; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 96ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Minimum value for sample rate */ 97ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MIN = 4000; 98ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Maximum value for sample rate */ 998fd0928cdb6249882acb18274ff7ddaab6fa46d0Andy Hung private static final int SAMPLE_RATE_HZ_MAX = 192000; 100ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten 101ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung /** Maximum value for AudioTrack channel count */ 102ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung private static final int CHANNEL_COUNT_MAX = 8; 103ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung 104ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is stopped */ 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_STOPPED = 1; // matches SL_PLAYSTATE_STOPPED 106ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is paused */ 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PAUSED = 2; // matches SL_PLAYSTATE_PAUSED 108ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** indicates AudioTrack state is playing */ 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int PLAYSTATE_PLAYING = 3; // matches SL_PLAYSTATE_PLAYING 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1115c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // keep these values in sync with android_media_AudioTrack.cpp 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is transferred from Java to the native layer 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * only once before the audio starts playing. 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STATIC = 0; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Creation mode where audio data is streamed from Java to the native layer 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * as the audio is playing. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int MODE_STREAM = 1; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** @hide */ 12435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi @IntDef({ 12535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi MODE_STATIC, 12635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi MODE_STREAM 12735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi }) 12835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi @Retention(RetentionPolicy.SOURCE) 12935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @interface TransferMode {} 13035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 132ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * State of an AudioTrack that was not successfully initialized upon creation. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_UNINITIALIZED = 0; 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of an AudioTrack that is ready to be used. 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_INITIALIZED = 1; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * State of a successfully initialized AudioTrack that uses static data, 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * but that hasn't received that data yet. 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static final int STATE_NO_STATIC_DATA = 2; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a successful operation. 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 148bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int SUCCESS = AudioSystem.SUCCESS; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a generic operation failure. 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 152bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int ERROR = AudioSystem.ERROR; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the use of an invalid value. 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 156bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int ERROR_BAD_VALUE = AudioSystem.BAD_VALUE; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Denotes a failure due to the improper use of a method. 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 160bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent public static final int ERROR_INVALID_OPERATION = AudioSystem.INVALID_OPERATION; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 162bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent // Error codes: 163bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent // to keep in sync with frameworks/base/core/jni/android_media_AudioTrack.cpp 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_AUDIOSYSTEM = -16; 165a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private static final int ERROR_NATIVESETUP_INVALIDCHANNELMASK = -17; 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDFORMAT = -18; 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDSTREAMTYPE = -19; 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_NATIVEINITFAILED = -20; 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Events: 171e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // to keep in sync with frameworks/av/include/media/AudioTrack.h 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 173ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when playback head has reached a previously set marker. 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_MARKER = 3; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 177ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when previously set update period has elapsed during playback. 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_NEW_POS = 4; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1811f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten private final static String TAG = "android.media.AudioTrack"; 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1847ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** @hide */ 1857ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @IntDef({ 1867ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_BLOCKING, 1877ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_NON_BLOCKING 1887ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi }) 1897ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @Retention(RetentionPolicy.SOURCE) 1907ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public @interface WriteMode {} 1917ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 1927ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 1937ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will block until all data has been written, 1948b520c8f8e176f07ed496a171ddae75e66b3bc4fJean-Michel Trivi * to be used in {@link #write(ByteBuffer, int, int)} 1957ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 1967ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_BLOCKING = 0; 1977ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 1987ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will return immediately after 1997ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * queuing as much audio data for playback as possible without blocking, to be used in 2008b520c8f8e176f07ed496a171ddae75e66b3bc4fJean-Michel Trivi * {@link #write(ByteBuffer, int, int)}. 2017ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 2027ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_NON_BLOCKING = 1; 2037ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Member variables 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 208ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the state of the AudioTrack instance. 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mState = STATE_UNINITIALIZED; 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 212ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the play state of the AudioTrack instance. 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mPlayState = PLAYSTATE_STOPPED; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Lock to make sure mPlayState updates are reflecting the actual state of the object. 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Object mPlayStateLock = new Object(); 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 220e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sizes of the native audio buffer. 2214bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * These values are set during construction and can be stale. 2224bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * To obtain the current native audio buffer frame count use {@link #getNativeFrameCount()}. 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeBufferSizeInBytes = 0; 225e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten private int mNativeBufferSizeInFrames = 0; 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 22786fad47e68e344b19fabeab1156c5e6742d8dfadGlenn Kasten * Handler for events coming from the native code. 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 229d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private NativePositionEventHandlerDelegate mEventHandlerDelegate; 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 231ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Looper associated with the thread that creates the AudioTrack instance. 232105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 233b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten private final Looper mInitializationLooper; 234105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 2358d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * The audio data source sampling rate in Hz. 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2375c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten private int mSampleRate; // initialized by all constructors 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2393026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent * The number of audio output channels (1 is mono, 2 is stereo). 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChannelCount = 1; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 243a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * The audio channel mask used for calling native AudioTrack 2443026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent */ 2453026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent private int mChannels = AudioFormat.CHANNEL_OUT_MONO; 2463026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 2473026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent /** 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The type of the audio stream to play. See 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2505c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 251b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_ALARM}, {@link AudioManager#STREAM_NOTIFICATION}, and 252b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_DTMF}. 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mStreamType = AudioManager.STREAM_MUSIC; 255a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi 256a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi private final AudioAttributes mAttributes; 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 258e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The way audio is consumed by the audio sink, streaming or static. 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDataLoadMode = MODE_STREAM; 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 262a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * The current channel position mask, as specified on AudioTrack creation. 263a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * Can be set simultaneously with channel index mask {@link #mChannelIndexMask}. 264a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * May be set to {@link AudioFormat#CHANNEL_INVALID} if a channel index mask is specified. 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 266a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private int mChannelConfiguration = AudioFormat.CHANNEL_OUT_MONO; 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 268a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * The current audio channel index configuration (if specified). 269a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung */ 270a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung private int mChannelIndexMask = 0; 271a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung /** 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The encoding of the audio samples. 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_8BIT 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_16BIT 2757d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * @see AudioFormat#ENCODING_PCM_FLOAT 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mAudioFormat = AudioFormat.ENCODING_PCM_16BIT; 278619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 279619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Audio session ID 280619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 28160bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten private int mSessionId = AudioSystem.AUDIO_SESSION_ALLOCATE; 2821af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock /** 2831af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock * Reference to the app-ops service. 2841af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock */ 2851af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock private final IAppOpsService mAppOps; 286cfe964a09ca05778e5dd84f2fd24119b89401696Rachad /** 287cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * HW_AV_SYNC track AV Sync Header 288cfe964a09ca05778e5dd84f2fd24119b89401696Rachad */ 289cfe964a09ca05778e5dd84f2fd24119b89401696Rachad private ByteBuffer mAvSyncHeader = null; 290cfe964a09ca05778e5dd84f2fd24119b89401696Rachad /** 291cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * HW_AV_SYNC track audio data bytes remaining to write after current AV sync header 292cfe964a09ca05778e5dd84f2fd24119b89401696Rachad */ 293cfe964a09ca05778e5dd84f2fd24119b89401696Rachad private int mAvSyncBytesRemaining = 0; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------- 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used exclusively by native code 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 299ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Accessed by native methods: provides access to C++ AudioTrack object. 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 302075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mNativeTrackInJavaObj; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Accessed by native methods: provides access to the JNI data (i.e. resources used by 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the native AudioTrack object, but not stored in it). 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 308075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mJniData; 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constructor, Finalize 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Class constructor. 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param streamType the type of the audio stream. See 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 3185c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 3195c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 3208d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param channelConfig describes the configuration of the audio channels. 322a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 323a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioFormat the format in which the audio data is represented. 3257d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT}, 3267d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 3277d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 328e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param bufferSizeInBytes the total size (in bytes) of the internal buffer where audio data is 3294bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * read from for playback. This should be a multiple of the frame size in bytes. 3304bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STATIC}, 331e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * this is the maximum length sample, or audio clip, that can be played by this instance. 3324bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STREAM}, 3334bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * this should be the desired buffer size 3344bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * for the <code>AudioTrack</code> to satisfy the application's 3354bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * natural latency requirements. 3364bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * If <code>bufferSizeInBytes</code> is less than the 3374bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * minimum buffer size for the output sink, it is automatically increased to the minimum 3384bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * buffer size. 3394bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * The method {@link #getNativeFrameCount()} returns the 3404bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * actual size in frames of the native buffer created, which 3414bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * determines the frequency to write 3424bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * to the streaming <code>AudioTrack</code> to avoid underrun. 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws java.lang.IllegalArgumentException 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bufferSizeInBytes, int mode) 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalArgumentException { 349619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent this(streamType, sampleRateInHz, channelConfig, audioFormat, 35060bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten bufferSizeInBytes, mode, AudioSystem.AUDIO_SESSION_ALLOCATE); 351619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 352619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 353619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 354619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Class constructor with audio session. Use this constructor when the AudioTrack must be 355619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * attached to a particular audio session. The primary use of the audio session ID is to 356619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * associate audio effects to a particular instance of AudioTrack: if an audio session ID 357619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * is provided when creating an AudioEffect, this effect will be applied only to audio tracks 358619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * and media players in the same session and not to the output mix. 359619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * When an AudioTrack is created without specifying a session, it will create its own session 3608d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * which can be retrieved by calling the {@link #getAudioSessionId()} method. 3615c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * If a non-zero session ID is provided, this AudioTrack will share effects attached to this 3625c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * session 3635c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * with all other media players or audio tracks in the same session, otherwise a new session 3645c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * will be created for this track if none is supplied. 365619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param streamType the type of the audio stream. See 366619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 3675c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 3685c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 3698d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 370619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param channelConfig describes the configuration of the audio channels. 371619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 372619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 373619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param audioFormat the format in which the audio data is represented. 374619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#ENCODING_PCM_16BIT} and 3757d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 3767d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 377619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 378619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * from for playback. If using the AudioTrack in streaming mode, you can write data into 379619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 380619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this is the maximum size of the sound that will be played for this instance. 381619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 382619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * for the successful creation of an AudioTrack instance in streaming mode. Using values 383619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * smaller than getMinBufferSize() will result in an initialization failure. 384619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 385619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param sessionId Id of audio session the AudioTrack must be attached to 386619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @throws java.lang.IllegalArgumentException 387619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 388619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 389619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int bufferSizeInBytes, int mode, int sessionId) 390619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent throws IllegalArgumentException { 391a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // mState already == STATE_UNINITIALIZED 392a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi this((new AudioAttributes.Builder()) 393a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setLegacyStreamType(streamType) 394a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .build(), 395a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi (new AudioFormat.Builder()) 396a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setChannelMask(channelConfig) 397a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setEncoding(audioFormat) 398a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setSampleRate(sampleRateInHz) 399a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .build(), 400a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi bufferSizeInBytes, 401a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi mode, sessionId); 402a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 403a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi 404a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi /** 4057f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * Class constructor with {@link AudioAttributes} and {@link AudioFormat}. 4067f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param attributes a non-null {@link AudioAttributes} instance. 4077f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param format a non-null {@link AudioFormat} instance describing the format of the data 4087f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * that will be played through this AudioTrack. See {@link AudioFormat.Builder} for 4097f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * configuring the audio format parameters such as encoding, channel mask and sample rate. 4107f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 4117f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * from for playback. If using the AudioTrack in streaming mode, you can write data into 4127f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 4137f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * this is the maximum size of the sound that will be played for this instance. 4147f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 4157f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * for the successful creation of an AudioTrack instance in streaming mode. Using values 4167f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * smaller than getMinBufferSize() will result in an initialization failure. 4177f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM}. 418289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * @param sessionId ID of audio session the AudioTrack must be attached to, or 419289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * {@link AudioManager#AUDIO_SESSION_ID_GENERATE} if the session isn't known at construction 420289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * time. See also {@link AudioManager#generateAudioSessionId()} to obtain a session ID before 421289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * construction. 4227f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @throws IllegalArgumentException 423a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi */ 424a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi public AudioTrack(AudioAttributes attributes, AudioFormat format, int bufferSizeInBytes, 425a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int mode, int sessionId) 426a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi throws IllegalArgumentException { 427a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // mState already == STATE_UNINITIALIZED 4285c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten 4297f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi if (attributes == null) { 4307f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioAttributes"); 4317f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi } 4327f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi if (format == null) { 4337f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioFormat"); 4347f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi } 4357f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi 4365c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // remember which looper is associated with the AudioTrack instantiation 437b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten Looper looper; 438b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten if ((looper = Looper.myLooper()) == null) { 439b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten looper = Looper.getMainLooper(); 440105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 442a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int rate = 0; 443a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi if ((format.getPropertySetMask() & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_SAMPLE_RATE) != 0) 444a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi { 445a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi rate = format.getSampleRate(); 446a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } else { 447a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi rate = AudioSystem.getPrimaryOutputSamplingRate(); 448a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi if (rate <= 0) { 449a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi rate = 44100; 450a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 451a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 452a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int channelIndexMask = 0; 453a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if ((format.getPropertySetMask() 454a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_CHANNEL_INDEX_MASK) != 0) { 455a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung channelIndexMask = format.getChannelIndexMask(); 456a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 457a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int channelMask = 0; 458a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if ((format.getPropertySetMask() 459a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_CHANNEL_MASK) != 0) { 460a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi channelMask = format.getChannelMask(); 461a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } else if (channelIndexMask == 0) { // if no masks at all, use stereo 462a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung channelMask = AudioFormat.CHANNEL_OUT_FRONT_LEFT 463a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung | AudioFormat.CHANNEL_OUT_FRONT_RIGHT; 464a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 465a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int encoding = AudioFormat.ENCODING_DEFAULT; 466a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi if ((format.getPropertySetMask() & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_ENCODING) != 0) { 467a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi encoding = format.getEncoding(); 468a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 469a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung audioParamCheck(rate, channelMask, channelIndexMask, encoding, mode); 470a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi mStreamType = AudioSystem.STREAM_DEFAULT; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffSizeCheck(bufferSizeInBytes); 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 474a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi mInitializationLooper = looper; 4751af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock IBinder b = ServiceManager.getService(Context.APP_OPS_SERVICE); 4761af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock mAppOps = IAppOpsService.Stub.asInterface(b); 4771af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 478a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi mAttributes = (new AudioAttributes.Builder(attributes).build()); 479a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi 480619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent if (sessionId < 0) { 481f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio session ID: "+sessionId); 482619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 483619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 484619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int[] session = new int[1]; 485619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent session[0] = sessionId; 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native initialization 487a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int initResult = native_setup(new WeakReference<AudioTrack>(this), mAttributes, 48830d794360f35592554403922bcc07835fea4737bAndy Hung mSampleRate, mChannels, mChannelIndexMask, mAudioFormat, 489619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mNativeBufferSizeInBytes, mDataLoadMode, session); 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initResult != SUCCESS) { 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("Error code "+initResult+" when initializing AudioTrack."); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // with mState == STATE_UNINITIALIZED 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 495619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mSessionId = session[0]; 496619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataLoadMode == MODE_STATIC) { 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_NO_STATIC_DATA; 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_INITIALIZED; 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 50435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 50535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Builder class for {@link AudioTrack} objects. 50635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Use this class to configure and create an <code>AudioTrack</code> instance. By setting audio 50735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * attributes and audio format parameters, you indicate which of those vary from the default 50835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * behavior on the device. 50935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <p> Here is an example where <code>Builder</code> is used to specify all {@link AudioFormat} 51035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * parameters, to be used by a new <code>AudioTrack</code> instance: 51135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * 51235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <pre class="prettyprint"> 51335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * AudioTrack player = new AudioTrack.Builder() 51435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setAudioAttributes(new AudioAttributes.Builder() 51535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setUsage(AudioAttributes.USAGE_ALARM) 51635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setContentType(CONTENT_TYPE_MUSIC) 51735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .build()) 51835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setAudioFormat(new AudioFormat.Builder() 51935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setEncoding(AudioFormat.ENCODING_PCM_16BIT) 52035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setSampleRate(441000) 52135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setChannelMask(AudioFormat.CHANNEL_OUT_STEREO) 52235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .build()) 52335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setBufferSize(minBuffSize) 52435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .build(); 52535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * </pre> 52635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <p> 52735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * If the audio attributes are not set with {@link #setAudioAttributes(AudioAttributes)}, 52835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * attributes comprising {@link AudioAttributes#USAGE_MEDIA} will be used. 52935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If the audio format is not specified or is incomplete, its sample rate will be the 53035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * default output sample rate of the device (see 53135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioManager#PROPERTY_OUTPUT_SAMPLE_RATE}), its channel configuration will be 53235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioFormat#CHANNEL_OUT_STEREO} and the encoding will be 53335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioFormat#ENCODING_PCM_16BIT}. 5344bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <br>If the buffer size is not specified with {@link #setBufferSizeInBytes(int)}, 5354bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * and the mode is {@link AudioTrack#MODE_STREAM}, the minimum buffer size is used. 53635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If the transfer mode is not specified with {@link #setTransferMode(int)}, 5374bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <code>MODE_STREAM</code> will be used. 53835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If the session ID is not specified with {@link #setSessionId(int)}, a new one will 53935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * be generated. 54035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 54135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public static class Builder { 54235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private AudioAttributes mAttributes; 54335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private AudioFormat mFormat; 54435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private int mBufferSizeInBytes; 54535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private int mSessionId = AudioManager.AUDIO_SESSION_ID_GENERATE; 54635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private int mMode = MODE_STREAM; 54735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 54835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 54935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Constructs a new Builder with the default values as described above. 55035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 55135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public Builder() { 55235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 55335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 55435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 55535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the {@link AudioAttributes}. 55635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param attributes a non-null {@link AudioAttributes} instance that describes the audio 55735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * data to be played. 55835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 55935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 56035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 56135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setAudioAttributes(@NonNull AudioAttributes attributes) 56235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 56335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (attributes == null) { 56435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioAttributes argument"); 56535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 56635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi // keep reference, we only copy the data when building 56735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mAttributes = attributes; 56835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 56935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 57035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 57135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 57235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the format of the audio data to be played by the {@link AudioTrack}. 57335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * See {@link AudioFormat.Builder} for configuring the audio format parameters such 57435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * as encoding, channel mask and sample rate. 57535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param format a non-null {@link AudioFormat} instance. 57635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 57735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 57835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 57935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setAudioFormat(@NonNull AudioFormat format) 58035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 58135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (format == null) { 58235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioFormat argument"); 58335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 58435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi // keep reference, we only copy the data when building 58535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mFormat = format; 58635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 58735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 58835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 58935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 59035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the total size (in bytes) of the buffer where audio data is read from for playback. 59135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * If using the {@link AudioTrack} in streaming mode 59235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * (see {@link AudioTrack#MODE_STREAM}, you can write data into this buffer in smaller 59335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * chunks than this size. See {@link #getMinBufferSize(int, int, int)} to determine 59435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * the minimum required buffer size for the successful creation of an AudioTrack instance 59535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * in streaming mode. Using values smaller than <code>getMinBufferSize()</code> will result 59635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * in an exception when trying to build the <code>AudioTrack</code>. 59735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If using the <code>AudioTrack</code> in static mode (see 59835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioTrack#MODE_STATIC}), this is the maximum size of the sound that will be 59935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * played by this instance. 60035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param bufferSizeInBytes 60135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 60235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 60335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 60435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setBufferSizeInBytes(int bufferSizeInBytes) 60535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 60635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (bufferSizeInBytes <= 0) { 60735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Invalid buffer size " + bufferSizeInBytes); 60835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 60935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mBufferSizeInBytes = bufferSizeInBytes; 61035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 61135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 61235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 61335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 61435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the mode under which buffers of audio data are transferred from the 61535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioTrack} to the framework. 61635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param mode one of {@link AudioTrack#MODE_STREAM}, {@link AudioTrack#MODE_STATIC}. 61735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 61835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 61935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 62035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setTransferMode(@TransferMode int mode) 62135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 62235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi switch(mode) { 62335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi case MODE_STREAM: 62435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi case MODE_STATIC: 62535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mMode = mode; 62635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi break; 62735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi default: 62835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Invalid transfer mode " + mode); 62935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 63035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 63135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 63235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 63335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 63435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the session ID the {@link AudioTrack} will be attached to. 63535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param sessionId a strictly positive ID number retrieved from another 63635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <code>AudioTrack</code> via {@link AudioTrack#getAudioSessionId()} or allocated by 63735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioManager} via {@link AudioManager#generateAudioSessionId()}, or 63835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioManager#AUDIO_SESSION_ID_GENERATE}. 63935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 64035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 64135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 64235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setSessionId(int sessionId) 64335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 64435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if ((sessionId != AudioManager.AUDIO_SESSION_ID_GENERATE) && (sessionId < 1)) { 64535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Invalid audio session ID " + sessionId); 64635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 64735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mSessionId = sessionId; 64835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 64935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 65035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 65135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 65235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Builds an {@link AudioTrack} instance initialized with all the parameters set 65335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * on this <code>Builder</code>. 65435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return a new {@link AudioTrack} instance. 65535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws UnsupportedOperationException if the parameters set on the <code>Builder</code> 65635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * were incompatible, or if they are not supported by the device. 65735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 65835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull AudioTrack build() throws UnsupportedOperationException { 65935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (mAttributes == null) { 66035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mAttributes = new AudioAttributes.Builder() 66135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setUsage(AudioAttributes.USAGE_MEDIA) 66235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .build(); 66335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 66435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (mFormat == null) { 66535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mFormat = new AudioFormat.Builder() 66635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setChannelMask(AudioFormat.CHANNEL_OUT_STEREO) 66735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setSampleRate(AudioSystem.getPrimaryOutputSamplingRate()) 66835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setEncoding(AudioFormat.ENCODING_DEFAULT) 66935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .build(); 67035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 67135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi try { 6724bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung // If the buffer size is not specified in streaming mode, 6734bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung // use a single frame for the buffer size and let the 6744bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung // native code figure out the minimum buffer size. 6754bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung if (mMode == MODE_STREAM && mBufferSizeInBytes == 0) { 6764bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung mBufferSizeInBytes = mFormat.getChannelCount() 6774bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * mFormat.getBytesPerSample(mFormat.getEncoding()); 6784bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung } 67935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return new AudioTrack(mAttributes, mFormat, mBufferSizeInBytes, mMode, mSessionId); 68035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } catch (IllegalArgumentException e) { 68135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new UnsupportedOperationException(e.getMessage()); 68235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 68335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 68435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 68535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 6861b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // mask of all the channels supported by this implementation 6871b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi private static final int SUPPORTED_OUT_CHANNELS = 6881b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | 6891b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_RIGHT | 6901b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_CENTER | 6911b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_LOW_FREQUENCY | 6921b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | 6931b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_RIGHT | 694ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_BACK_CENTER | 695ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_SIDE_LEFT | 696ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_SIDE_RIGHT; 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Convenience method for the constructor's parameter checks. 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is where constructor IllegalArgumentException-s are thrown 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postconditions: 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 7023026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent // mChannels is valid 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSampleRate is valid 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mDataLoadMode is valid 706a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung private void audioParamCheck(int sampleRateInHz, int channelConfig, int channelIndexMask, 707a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int audioFormat, int mode) { 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 7095c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 7109e4a66d69673adcf5f32e4b121809322d9ffd97cAndy Hung if (sampleRateInHz < SAMPLE_RATE_HZ_MIN || sampleRateInHz > SAMPLE_RATE_HZ_MAX) { 711f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException(sampleRateInHz 712f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten + "Hz is not a supported sample rate."); 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 714896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mSampleRate = sampleRateInHz; 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // channel config 7183026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannelConfiguration = channelConfig; 7193026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (channelConfig) { 7213026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_OUT_DEFAULT: //AudioFormat.CHANNEL_CONFIGURATION_DEFAULT 722a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 7233026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 1; 7253026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_MONO; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 727a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 7283026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 2; 7303026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannels = AudioFormat.CHANNEL_OUT_STEREO; 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 733a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (channelConfig == AudioFormat.CHANNEL_INVALID && channelIndexMask != 0) { 734a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung mChannelCount = 0; 735a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung break; // channel index configuration only 736a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 737d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if (!isMultichannelConfigSupported(channelConfig)) { 7381b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 739f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported channel configuration."); 7401b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 741896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mChannels = channelConfig; 7428528ed43b41ff02535675c5da7425bef5195e73bAndy Hung mChannelCount = AudioFormat.channelCountFromOutChannelMask(channelConfig); 7439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 744a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung // check the channel index configuration (if present) 745a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung mChannelIndexMask = channelIndexMask; 746a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (mChannelIndexMask != 0) { 747a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung // restrictive: indexMask could allow up to AUDIO_CHANNEL_BITS_LOG2 748a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung final int indexMask = (1 << CHANNEL_COUNT_MAX) - 1; 749a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if ((channelIndexMask & ~indexMask) != 0) { 750a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung throw new IllegalArgumentException("Unsupported channel index configuration " 751a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung + channelIndexMask); 752a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 753a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int channelIndexCount = Integer.bitCount(channelIndexMask); 754a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (mChannelCount == 0) { 755a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung mChannelCount = channelIndexCount; 756a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } else if (mChannelCount != channelIndexCount) { 757a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung throw new IllegalArgumentException("Channel count must match"); 758a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 759a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio format 763ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (audioFormat == AudioFormat.ENCODING_DEFAULT) { 764ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent audioFormat = AudioFormat.ENCODING_PCM_16BIT; 765ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent } 766ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent 767ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (!AudioFormat.isValidEncoding(audioFormat)) { 768ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent throw new IllegalArgumentException("Unsupported audio encoding."); 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 770ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent mAudioFormat = audioFormat; 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio load mode 774ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (((mode != MODE_STREAM) && (mode != MODE_STATIC)) || 775ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent ((mode != MODE_STREAM) && !AudioFormat.isEncodingLinearPcm(mAudioFormat))) { 776f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid mode."); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 778896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mDataLoadMode = mode; 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 781d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi /** 782d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * Convenience method to check that the channel configuration (a.k.a channel mask) is supported 783d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @param channelConfig the mask to validate 784d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @return false if the AudioTrack can't be used with such a mask 785d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi */ 786d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi private static boolean isMultichannelConfigSupported(int channelConfig) { 787d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported channels 788d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 7891f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Channel configuration features unsupported channels"); 790d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 791d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 7928528ed43b41ff02535675c5da7425bef5195e73bAndy Hung final int channelCount = AudioFormat.channelCountFromOutChannelMask(channelConfig); 793ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung if (channelCount > CHANNEL_COUNT_MAX) { 794ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung loge("Channel configuration contains too many channels " + 795ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung channelCount + ">" + CHANNEL_COUNT_MAX); 796ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung return false; 797ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung } 798d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported multichannel combinations: 799d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - FL/FR must be present 800d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - L/R channels must be paired (e.g. no single L channel) 801d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int frontPair = 802d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | AudioFormat.CHANNEL_OUT_FRONT_RIGHT; 803d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & frontPair) != frontPair) { 8041f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Front channels must be present in multichannel configurations"); 805d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 806d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 807d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int backPair = 808d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | AudioFormat.CHANNEL_OUT_BACK_RIGHT; 809d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != 0) { 810d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != backPair) { 8111f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Rear channels can't be used independently"); 812d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 813d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 814d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 815ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung final int sidePair = 816ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_SIDE_LEFT | AudioFormat.CHANNEL_OUT_SIDE_RIGHT; 817ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung if ((channelConfig & sidePair) != 0 818ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung && (channelConfig & sidePair) != sidePair) { 819ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung loge("Side channels can't be used independently"); 820ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung return false; 821ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung } 822d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return true; 823d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 824d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 826e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // Convenience method for the constructor's audio buffer size check. 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // preconditions: 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postcondition: 8319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeBufferSizeInBytes is valid (multiple of frame size, positive) 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioBuffSizeCheck(int audioBufferSize) { 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NB: this section is only valid with PCM data. 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // To update when supporting compressed formats 835ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent int frameSizeInBytes; 836ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (AudioFormat.isEncodingLinearPcm(mAudioFormat)) { 837ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent frameSizeInBytes = mChannelCount 838ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent * (AudioFormat.getBytesPerSample(mAudioFormat)); 839ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent } else { 840ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent frameSizeInBytes = 1; 841ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent } 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) { 843f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio buffer size."); 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeBufferSizeInBytes = audioBufferSize; 847e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten mNativeBufferSizeInFrames = audioBufferSize / frameSizeInBytes; 8489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the native AudioTrack resources. 8539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void release() { 8559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // even though native_release() stops the native AudioTrack, we need to stop 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // AudioTrack subclasses too. 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 859fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } catch(IllegalStateException ise) { 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't raise an exception, we're releasing the resources. 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_UNINITIALIZED; 8649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 8689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_finalize(); 8699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Getters 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 87578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Returns the minimum gain value, which is the constant 0.0. 87678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Gain values less than 0.0 will be clamped to 0.0. 87778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 87878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @return the minimum value, which is the constant 0.0. 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMinVolume() { 88178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return GAIN_MIN; 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 88578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Returns the maximum gain value, which is greater than or equal to 1.0. 88678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Gain values greater than the maximum will be clamped to the maximum. 88778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a gain. 88878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * expressed as a linear multiplier on sample values, where a maximum value of 1.0 88978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * corresponds to a gain of 0 dB (sample values left unmodified). 89078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @return the maximum value, which is greater than or equal to 1.0. 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMaxVolume() { 89378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return GAIN_MAX; 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data sample rate in Hz 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSampleRate() { 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSampleRate; 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 902fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 9039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 904263b4c97823295c41900210515d0c769a236190cAndy Hung * Returns the current playback sample rate rate in Hz. 9059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackRate() { 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_playback_rate(); 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9112d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * Returns the current playback params. 9122d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * See {@link #setPlaybackParams(PlaybackParams)} to set playback params 9132d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * @return current {@link PlaybackParams}. 914263b4c97823295c41900210515d0c769a236190cAndy Hung * @throws IllegalStateException if track is not initialized. 915263b4c97823295c41900210515d0c769a236190cAndy Hung */ 9162d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia public @NonNull PlaybackParams getPlaybackParams() { 9172d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia return native_get_playback_params(); 918263b4c97823295c41900210515d0c769a236190cAndy Hung } 919263b4c97823295c41900210515d0c769a236190cAndy Hung 920263b4c97823295c41900210515d0c769a236190cAndy Hung /** 921463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * Returns the configured audio data encoding. See {@link AudioFormat#ENCODING_PCM_8BIT}, 922463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * {@link AudioFormat#ENCODING_PCM_16BIT}, and {@link AudioFormat#ENCODING_PCM_FLOAT}. 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getAudioFormat() { 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAudioFormat; 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the type of audio stream this AudioTrack is configured for. 9309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compare the result against {@link AudioManager#STREAM_VOICE_CALL}, 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_SYSTEM}, {@link AudioManager#STREAM_RING}, 9325c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_MUSIC}, {@link AudioManager#STREAM_ALARM}, 933b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_NOTIFICATION}, or {@link AudioManager#STREAM_DTMF}. 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getStreamType() { 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 940a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * Returns the configured channel position mask. 941463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * <p> For example, refer to {@link AudioFormat#CHANNEL_OUT_MONO}, 942a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * {@link AudioFormat#CHANNEL_OUT_STEREO}, {@link AudioFormat#CHANNEL_OUT_5POINT1}. 943463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * This method may return {@link AudioFormat#CHANNEL_INVALID} if 944463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * a channel index mask is used. Consider 945463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * {@link #getFormat()} instead, to obtain an {@link AudioFormat}, 946463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * which contains both the channel position mask and the channel index mask. 9479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelConfiguration() { 9499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelConfiguration; 9509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 953463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * Returns the configured <code>AudioTrack</code> format. 954463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * @return an {@link AudioFormat} containing the 955463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * <code>AudioTrack</code> parameters at the time of configuration. 956463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung */ 957463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung public @NonNull AudioFormat getFormat() { 958463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung AudioFormat.Builder builder = new AudioFormat.Builder() 959463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung .setSampleRate(mSampleRate) 960463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung .setEncoding(mAudioFormat); 961463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung if (mChannelConfiguration != AudioFormat.CHANNEL_INVALID) { 962463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung builder.setChannelMask(mChannelConfiguration); 963463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung } 964463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung if (mChannelIndexMask != AudioFormat.CHANNEL_INVALID /* 0 */) { 965463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung builder.setChannelIndexMask(mChannelIndexMask); 966463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung } 967463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung return builder.build(); 968463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung } 969463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung 970463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung /** 9719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured number of channels. 9729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelCount() { 9749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the state of the AudioTrack instance. This is useful after the 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AudioTrack instance has been created to check if it was initialized 980e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * properly. This ensures that the appropriate resources have been acquired. 981ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_INITIALIZED 982ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_NO_STATIC_DATA 983ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_UNINITIALIZED 9849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getState() { 9869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 9879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the playback state of the AudioTrack instance. 9919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_STOPPED 9929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PAUSED 9939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PLAYING 9949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlayState() { 99606e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath synchronized (mPlayStateLock) { 99706e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath return mPlayState; 99806e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath } 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10024bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * Returns the "native frame count" of the <code>AudioTrack</code> buffer. 10034bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STATIC}, 10044bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * it is equal to the specified bufferSizeInBytes on construction, converted to frame units. 10054bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * A static track's native frame count will not change. 10064bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STREAM}, 10074bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * it is greater than or equal to the specified bufferSizeInBytes converted to frame units. 10084bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * For streaming tracks, this value may be rounded up to a larger value if needed by 10094bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * the target output sink, and 10104bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * if the track is subsequently routed to a different output sink, the native 10114bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * frame count may enlarge to accommodate. 10124bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * See also {@link AudioManager#getProperty(String)} for key 101355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * {@link AudioManager#PROPERTY_OUTPUT_FRAMES_PER_BUFFER}. 10144bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * @return current size in frames of the audio track buffer. 10154bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * @throws IllegalStateException 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10174bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung public int getNativeFrameCount() throws IllegalStateException { 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_native_frame_count(); 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1022ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns marker position expressed in frames. 1023e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @return marker position in wrapping frame units similar to {@link #getPlaybackHeadPosition}, 1024e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or zero if marker is disabled. 10259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNotificationMarkerPosition() { 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_marker_pos(); 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1031ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns the notification update period expressed in frames. 1032e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero means that no position update notifications are being delivered. 10339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPositionNotificationPeriod() { 10359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_pos_update_period(); 10369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1039e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the playback head position expressed in frames. 1040e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Though the "int" type is signed 32-bits, the value should be reinterpreted as if it is 1041e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * unsigned 32-bits. That is, the next position after 0x7FFFFFFF is (int) 0x80000000. 1042e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * This is a continuously advancing counter. It will wrap (overflow) periodically, 1043e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * for example approximately once every 27:03:11 hours:minutes:seconds at 44.1 kHz. 1044ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * It is reset to zero by {@link #flush()}, {@link #reloadStaticData()}, and {@link #stop()}. 1045ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If the track's creation mode is {@link #MODE_STATIC}, the return value indicates 1046ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the total number of frames played since reset, 1047ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <i>not</i> the current offset within the buffer. 10489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackHeadPosition() { 10509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_position(); 10519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 105461dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * Returns this track's estimated latency in milliseconds. This includes the latency due 105561dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * to AudioTrack buffer size, AudioMixer (if any) and audio hardware driver. 105661dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * 105761dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * DO NOT UNHIDE. The existing approach for doing A/V sync has too many problems. We need 105861dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * a better solution. 105961dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * @hide 106061dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman */ 106161dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman public int getLatency() { 106261dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman return native_get_latency(); 106361dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman } 106461dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 106561dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman /** 1066e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the output sample rate in Hz for the specified stream type. 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getNativeOutputSampleRate(int streamType) { 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_output_sample_rate(streamType); 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1071fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the minimum buffer size required for the successful creation of an AudioTrack 1074ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * object to be created in the {@link #MODE_STREAM} mode. Note that this size doesn't 1075ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * guarantee a smooth playback under load, and higher values should be chosen according to 1076fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * the expected frequency at which the buffer will be refilled with additional data to play. 10778d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * For example, if you intend to dynamically set the source sample rate of an AudioTrack 10788d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * to a higher value than the initial source sample rate, be sure to configure the buffer size 10798d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * based on the highest planned sample rate. 10808d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the source sample rate expressed in Hz. 1081fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param channelConfig describes the configuration of the audio channels. 1082a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 1083a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 1084fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param audioFormat the format in which the audio data is represented. 1085fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT} and 10867d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 10877d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 10889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #ERROR_BAD_VALUE} if an invalid parameter was passed, 1089e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or {@link #ERROR} if unable to query for output properties, 1090ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * or the minimum buffer size expressed in bytes. 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) { 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelCount = 0; 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(channelConfig) { 1095a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 10963026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 10979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 1; 10989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1099a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 11003026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 11019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 2; 11029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 11039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 1104a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (!isMultichannelConfigSupported(channelConfig)) { 11051b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi loge("getMinBufferSize(): Invalid channel configuration."); 1106df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 11071b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } else { 11088528ed43b41ff02535675c5da7425bef5195e73bAndy Hung channelCount = AudioFormat.channelCountFromOutChannelMask(channelConfig); 11091b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1111fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1112ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (!AudioFormat.isValidEncoding(audioFormat)) { 11139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): Invalid audio format."); 1114df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1116fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11175c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 1118ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten if ( (sampleRateInHz < SAMPLE_RATE_HZ_MIN) || (sampleRateInHz > SAMPLE_RATE_HZ_MAX) ) { 1119ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten loge("getMinBufferSize(): " + sampleRateInHz + " Hz is not a supported sample rate."); 1120df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 11219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1122fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = native_get_min_buff_size(sampleRateInHz, channelCount, audioFormat); 1124a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (size <= 0) { 11259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): error querying hardware"); 1126df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR; 11279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 11299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1133619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 1134619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Returns the audio session ID. 1135619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * 1136619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @return the ID of the audio session this AudioTrack belongs to. 1137619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 1138619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public int getAudioSessionId() { 1139619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent return mSessionId; 1140619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 11419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1142948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten /** 1143948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * Poll for a timestamp on demand. 1144486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * <p> 1145486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * If you need to track timestamps during initial warmup or after a routing or mode change, 1146486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * you should request a new timestamp once per second until the reported timestamps 1147486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * show that the audio clock is stable. 1148486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * Thereafter, query for a new timestamp approximately once every 10 seconds to once per minute. 1149486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * Calling this method more often is inefficient. 1150486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * It is also counter-productive to call this method more often than recommended, 1151486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * because the short-term differences between successive timestamp reports are not meaningful. 1152486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * If you need a high-resolution mapping between frame position and presentation time, 1153948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * consider implementing that at application level, based on low-resolution timestamps. 1154486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * <p> 1155948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * The audio data at the returned position may either already have been 1156948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * presented, or may have not yet been presented but is committed to be presented. 1157948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * It is not possible to request the time corresponding to a particular position, 1158948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * or to request the (fractional) position corresponding to a particular time. 1159948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * If you need such features, consider implementing them at application level. 1160948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * 1161948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * @param timestamp a reference to a non-null AudioTimestamp instance allocated 1162596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * and owned by caller. 1163596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * @return true if a timestamp is available, or false if no timestamp is available. 1164596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * If a timestamp if available, 1165948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * the AudioTimestamp instance is filled in with a position in frame units, together 1166948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * with the estimated time when that frame was presented or is committed to 1167948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * be presented. 1168948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * In the case that no timestamp is available, any supplied instance is left unaltered. 1169c52f4e25e21719d5d637a588e3200be941b9fe4dGlenn Kasten * A timestamp may be temporarily unavailable while the audio clock is stabilizing, 1170c52f4e25e21719d5d637a588e3200be941b9fe4dGlenn Kasten * or during and immediately after a route change. 1171948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten */ 1172486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten // Add this text when the "on new timestamp" API is added: 1173486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten // Use if you need to get the most recent timestamp outside of the event callback handler. 1174596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten public boolean getTimestamp(AudioTimestamp timestamp) 1175948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten { 1176596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (timestamp == null) { 1177596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten throw new IllegalArgumentException(); 1178596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten } 1179948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // It's unfortunate, but we have to either create garbage every time or use synchronized 1180948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten long[] longArray = new long[2]; 1181948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten int ret = native_get_timestamp(longArray); 1182596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (ret != SUCCESS) { 1183596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return false; 1184948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 1185596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.framePosition = longArray[0]; 1186596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.nanoTime = longArray[1]; 1187596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return true; 1188948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 1189948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 1190948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 11919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 11929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Initialization / configuration 11939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 11949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11954df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the listener the AudioTrack notifies when a previously set marker is reached or 11964df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * for each periodic playback head position update. 1197ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Notifications will be received in the same thread as the one in which the AudioTrack 1198ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * instance was created. 11999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener 12009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12014df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener) { 12024df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project setPlaybackPositionUpdateListener(listener, null); 12039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1204fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1205ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** 1206ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the listener the AudioTrack notifies when a previously set marker is reached or 1207ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for each periodic playback head position update. 1208ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Use this method to receive AudioTrack events in the Handler associated with another 1209ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * thread than the one in which you created the AudioTrack instance. 1210ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param listener 1211ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param handler the Handler that will receive the event notification messages. 1212ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi */ 1213fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener, 12144df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler handler) { 12154df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 1216d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mEventHandlerDelegate = new NativePositionEventHandlerDelegate(this, listener, handler); 121795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } else { 121895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = null; 12199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 122378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static float clampGainOrLevel(float gainOrLevel) { 122478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten if (Float.isNaN(gainOrLevel)) { 122578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten throw new IllegalArgumentException(); 122678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 122778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten if (gainOrLevel < GAIN_MIN) { 122878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten gainOrLevel = GAIN_MIN; 122978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } else if (gainOrLevel > GAIN_MAX) { 123078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten gainOrLevel = GAIN_MAX; 123178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 123278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return gainOrLevel; 123378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 123478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten 12354df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 12369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 123778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Sets the specified left and right output gain values on the AudioTrack. 123878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Gain values are clamped to the closed interval [0.0, max] where 123978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 124078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in zero gain (silence), and 124178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * a value of 1.0 means unity gain (signal unchanged). 124278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * The default value is 1.0 meaning unity gain. 124378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 124478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param leftGain output gain for the left channel. 124578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param rightGain output gain for the right channel 12469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, 12479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 124878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @deprecated Applications should use {@link #setVolume} instead, as it 124978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * more gracefully scales down to mono, and up to multi-channel content beyond stereo. 12509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 125178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten public int setStereoVolume(float leftGain, float rightGain) { 12521af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 12531af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return SUCCESS; 12541af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 12553b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 12569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 12579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 125978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten leftGain = clampGainOrLevel(leftGain); 126078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten rightGain = clampGainOrLevel(rightGain); 12619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 126278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten native_setVolume(leftGain, rightGain); 12639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SUCCESS; 12659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 12669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 12689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 126978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Sets the specified output gain value on all channels of this track. 127078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Gain values are clamped to the closed interval [0.0, max] where 127178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 127278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in zero gain (silence), and 127378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * a value of 1.0 means unity gain (signal unchanged). 127478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * The default value is 1.0 meaning unity gain. 127578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>This API is preferred over {@link #setStereoVolume}, as it 127678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * more gracefully scales down to mono, and up to multi-channel content beyond stereo. 127778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 127878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param gain output gain for all channels. 12793e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * @return error code or success, see {@link #SUCCESS}, 12803e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 1281068225de0197df07a0247b2877666ea91c22c992Glenn Kasten */ 128278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten public int setVolume(float gain) { 128378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return setStereoVolume(gain, gain); 1284068225de0197df07a0247b2877666ea91c22c992Glenn Kasten } 1285068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 1286068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 1287068225de0197df07a0247b2877666ea91c22c992Glenn Kasten /** 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the playback sample rate for this track. This sets the sampling rate at which 12898d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * the audio data will be consumed and played back 12908d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * (as set by the sampleRateInHz parameter in the 12918d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * {@link #AudioTrack(int, int, int, int, int, int)} constructor), 12928d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * not the original sampling rate of the 1293e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * content. For example, setting it to half the sample rate of the content will cause the 1294e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * playback to last twice as long, but will also result in a pitch shift down by one octave. 1295e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The valid sample rate range is from 1 Hz to twice the value returned by 129688e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * {@link #getNativeOutputSampleRate(int)}. 12972d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * Use {@link #setPlaybackParams(PlaybackParams)} for speed control. 1298ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param sampleRateInHz the sample rate expressed in Hz 12999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 13009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 13019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackRate(int sampleRateInHz) { 1303f19395db6343efdf80d064e0ba7c3b9aa4dbae75Glenn Kasten if (mState != STATE_INITIALIZED) { 13049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 13059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRateInHz <= 0) { 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 130988e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return native_set_playback_rate(sampleRateInHz); 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13142d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * Sets the playback params. 13152d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * This method returns failure if it cannot apply the playback params. 1316263b4c97823295c41900210515d0c769a236190cAndy Hung * One possible cause is that the parameters for speed or pitch are out of range. 1317263b4c97823295c41900210515d0c769a236190cAndy Hung * Another possible cause is that the <code>AudioTrack</code> is streaming 1318263b4c97823295c41900210515d0c769a236190cAndy Hung * (see {@link #MODE_STREAM}) and the 1319263b4c97823295c41900210515d0c769a236190cAndy Hung * buffer size is too small. For speeds greater than 1.0f, the <code>AudioTrack</code> buffer 1320263b4c97823295c41900210515d0c769a236190cAndy Hung * on configuration must be larger than the speed multiplied by the minimum size 1321263b4c97823295c41900210515d0c769a236190cAndy Hung * {@link #getMinBufferSize(int, int, int)}) to allow proper playback. 13222d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * @param params see {@link PlaybackParams}. In particular, 1323263b4c97823295c41900210515d0c769a236190cAndy Hung * speed, pitch, and audio mode should be set. 13242d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * @throws IllegalArgumentException if the params are invalid or not accepted. 1325263b4c97823295c41900210515d0c769a236190cAndy Hung * @throws IllegalStateException if track is not initialized. 1326263b4c97823295c41900210515d0c769a236190cAndy Hung */ 13272d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia public void setPlaybackParams(@NonNull PlaybackParams params) { 13282d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia if (params == null) { 13292d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia throw new IllegalArgumentException("params is null"); 1330263b4c97823295c41900210515d0c769a236190cAndy Hung } 13312d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia native_set_playback_params(params); 1332263b4c97823295c41900210515d0c769a236190cAndy Hung } 1333263b4c97823295c41900210515d0c769a236190cAndy Hung 1334263b4c97823295c41900210515d0c769a236190cAndy Hung 1335263b4c97823295c41900210515d0c769a236190cAndy Hung /** 1336e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sets the position of the notification marker. At most one marker can be active. 1337e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param markerInFrames marker position in wrapping frame units similar to 1338e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * {@link #getPlaybackHeadPosition}, or zero to disable the marker. 1339e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * To set a marker at a position which would appear as zero due to wraparound, 1340e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * a workaround is to use a non-zero position near zero, such as -1 or 1. 13419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 13429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 13439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setNotificationMarkerPosition(int markerInFrames) { 13453b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 13479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_marker_pos(markerInFrames); 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1353ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the period for the periodic notification event. 1354ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param periodInFrames update period expressed in frames. 1355ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Zero period means no position updates. A negative period is not allowed. 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_INVALID_OPERATION} 13579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPositionNotificationPeriod(int periodInFrames) { 13593b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 13609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 13619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_pos_update_period(periodInFrames); 13639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1367ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Sets the playback head position within the static buffer. 1368a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * The track must be stopped or paused for the position to be changed, 1369a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 1370ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param positionInFrames playback head position within buffer, expressed in frames. 1371e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 1372e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The position must not be greater than the buffer size in frames, or negative. 1373ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Though this method and {@link #getPlaybackHeadPosition()} have similar names, 1374ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the position values have different meanings. 1375ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <br> 1376ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If looping is currently enabled and the new position is greater than or equal to the 137735e576e79292122fad462ebccd8520822552a6d7Andy Hung * loop end marker, the behavior varies by API level: 137835e576e79292122fad462ebccd8520822552a6d7Andy Hung * as of {@link android.os.Build.VERSION_CODES#MNC}, 1379ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the looping is first disabled and then the position is set. 1380ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * For earlier API levels, the behavior is unspecified. 13819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 13829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 13839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackHeadPosition(int positionInFrames) { 138578bfa6322bf34e49d5e4426296c701a64f705e49Andy Hung if (mDataLoadMode == MODE_STREAM || mState == STATE_UNINITIALIZED || 1386a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 1387a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ERROR_INVALID_OPERATION; 13889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (!(0 <= positionInFrames && positionInFrames <= mNativeBufferSizeInFrames)) { 1390e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 1391e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 1392a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return native_set_position(positionInFrames); 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the loop points and the loop count. The loop can be infinite. 1397a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Similarly to setPlaybackHeadPosition, 1398e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * the track must be stopped or paused for the loop points to be changed, 1399a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 1400ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param startInFrames loop start marker expressed in frames. 1401e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 1402e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The start marker must not be greater than or equal to the buffer size in frames, or negative. 1403ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param endInFrames loop end marker expressed in frames. 1404e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The total buffer size in frames corresponds to end of buffer. 1405e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The end marker must not be greater than the buffer size in frames. 1406e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For looping, the end marker must not be less than or equal to the start marker, 1407e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * but to disable looping 1408e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is permitted for start marker, end marker, and loop count to all be 0. 1409ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If any input parameters are out of range, this method returns {@link #ERROR_BAD_VALUE}. 1410ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If the loop period (endInFrames - startInFrames) is too small for the implementation to 1411ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * support, 1412ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * {@link #ERROR_BAD_VALUE} is returned. 1413ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * The loop range is the interval [startInFrames, endInFrames). 1414ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <br> 141535e576e79292122fad462ebccd8520822552a6d7Andy Hung * As of {@link android.os.Build.VERSION_CODES#MNC}, the position is left unchanged, 1416ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * unless it is greater than or equal to the loop end marker, in which case 1417ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * it is forced to the loop start marker. 1418ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * For earlier API levels, the effect on position is unspecified. 1419ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param loopCount the number of times the loop is looped; must be greater than or equal to -1. 1420e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * A value of -1 means infinite looping, and 0 disables looping. 1421ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * A value of positive N means to "loop" (go back) N times. For example, 1422ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * a value of one means to play the region two times in total. 14239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 14249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 14259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setLoopPoints(int startInFrames, int endInFrames, int loopCount) { 142778bfa6322bf34e49d5e4426296c701a64f705e49Andy Hung if (mDataLoadMode == MODE_STREAM || mState == STATE_UNINITIALIZED || 1428a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 14299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 14309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1431e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (loopCount == 0) { 1432e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten ; // explicitly allowed as an exception to the loop region range check 1433e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } else if (!(0 <= startInFrames && startInFrames < mNativeBufferSizeInFrames && 1434e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten startInFrames < endInFrames && endInFrames <= mNativeBufferSizeInFrames)) { 1435e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 1436e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_loop(startInFrames, endInFrames, loopCount); 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 144155a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * Sets the initialization state of the instance. This method was originally intended to be used 144255a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * in an AudioTrack subclass constructor to set a subclass-specific post-initialization state. 144355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * However, subclasses of AudioTrack are no longer recommended, so this method is obsolete. 14449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param state the state of the AudioTrack instance 144555a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * @deprecated Only accessible by subclasses, which are not recommended for AudioTrack. 14469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 144755a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten @Deprecated 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setState(int state) { 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 14509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Transport control methods 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Starts playing an AudioTrack. 1458ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If track's creation mode is {@link #MODE_STATIC}, you must have called one of 1459ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the {@link #write(byte[], int, int)}, {@link #write(short[], int, int)}, 1460ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * or {@link #write(float[], int, int, int)} methods. 1461b5e5efbab87aae79eb1902de8ed53eb2b5bb1f69Glenn Kasten * If the mode is {@link #MODE_STREAM}, you can optionally prime the 1462ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * output buffer by writing up to bufferSizeInBytes (from constructor) before starting. 1463ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * This priming will avoid an immediate underrun, but is not required. 146488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 14659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 14669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void play() 14689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 14699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1470f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("play() called on uninitialized AudioTrack."); 14719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14721af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 14731af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock setVolume(0); 14741af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 14769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_start(); 14779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PLAYING; 14789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14811af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock private boolean isRestricted() { 1482bbfd31a5d4f126167e20fa8bd256c810cf8c2c85John Spurlock if ((mAttributes.getFlags() & AudioAttributes.FLAG_BYPASS_INTERRUPTION_POLICY) != 0) { 1483bbfd31a5d4f126167e20fa8bd256c810cf8c2c85John Spurlock return false; 1484bbfd31a5d4f126167e20fa8bd256c810cf8c2c85John Spurlock } 14851af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock try { 14867b41467704f941b11af6aace3e40993afc7f6c6fJohn Spurlock final int usage = AudioAttributes.usageForLegacyStreamType(mStreamType); 14877b41467704f941b11af6aace3e40993afc7f6c6fJohn Spurlock final int mode = mAppOps.checkAudioOperation(AppOpsManager.OP_PLAY_AUDIO, usage, 14881af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock Process.myUid(), ActivityThread.currentPackageName()); 14891af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return mode != AppOpsManager.MODE_ALLOWED; 14901af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } catch (RemoteException e) { 14911af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return false; 14921af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 14931af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 14941af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 14959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops playing the audio data. 1497a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * When used on an instance created in {@link #MODE_STREAM} mode, audio will stop playing 1498a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * after the last buffer that was written has been played. For an immediate stop, use 1499a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * {@link #pause()}, followed by {@link #flush()} to discard audio data that hasn't been played 1500a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * back yet. 15019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 15029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void stop() 15049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 15059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1506f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("stop() called on uninitialized AudioTrack."); 15079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stop playing 15109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 15119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_stop(); 15129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_STOPPED; 1513cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 1514cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 151988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Pauses the playback of the audio data. Data that has not been played 152088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * back will not be discarded. Subsequent calls to {@link #play} will play 1521a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * this data back. See {@link #flush()} to discard this data. 152288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 15239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 15249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void pause() 15269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 15279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1528f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("pause() called on uninitialized AudioTrack."); 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("pause()"); 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pause playback 15339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 15349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_pause(); 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PAUSED; 15369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Audio data supply 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 154588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Flushes the audio data currently queued for playback. Any data that has 15467a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * been written but not yet presented will be discarded. No-op if not stopped or paused, 1547e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or if the track's creation mode is not {@link #MODE_STREAM}. 15487a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * <BR> Note that although data written but not yet presented is discarded, there is no 15497a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * guarantee that all of the buffer space formerly used by that data 15507a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * is available for a subsequent write. 15517a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * For example, a call to {@link #write(byte[], int, int)} with <code>sizeInBytes</code> 15527a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * less than or equal to the total buffer size 15537a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * may return a short actual transfer count. 15549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void flush() { 15569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_INITIALIZED) { 15579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // flush the data in native layer 15589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_flush(); 1559cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 1560cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 15619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1566e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1567e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 15684aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 15694aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_8BIT} to correspond to the data in the array. 1570e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In streaming mode, will block until all data has been written to the audio sink. 1571e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 157288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 157388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 1574e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 157588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 15769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 157788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * @param offsetInBytes the offset expressed in bytes in audioData where the data to play 1578ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sizeInBytes the number of bytes to read in audioData after the offset. 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of bytes that were written or {@link #ERROR_INVALID_OPERATION} 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 1582ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent * the parameters don't resolve to valid data and indexes, or 1583ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1584ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent * needs to be recreated. 15859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15864aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull byte[] audioData, int offsetInBytes, int sizeInBytes) { 15874aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return write(audioData, offsetInBytes, sizeInBytes, WRITE_BLOCKING); 15884aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 15899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15904aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung /** 15914aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * Writes the audio data to the audio sink for playback (streaming mode), 15924aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * or copies audio data for later playback (static buffer mode). 15934aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 15944aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_8BIT} to correspond to the data in the array. 15954aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * In streaming mode, will block until all data has been written to the audio sink. 15964aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * In static buffer mode, copies the data to the buffer starting at offset 0. 15974aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * Note that the actual playback of this data might occur after this function 15984aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * returns. This function is thread safe with respect to {@link #stop} calls, 15994aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * in which case all of the specified data might not be written to the audio sink. 16004aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * 16014aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param audioData the array that holds the data to play. 16024aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param offsetInBytes the offset expressed in bytes in audioData where the data to play 16034aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * starts. 16044aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param sizeInBytes the number of bytes to read in audioData after the offset. 16054aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 16064aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * effect in static mode. 16074aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 16084aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * to the audio sink. 16094aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 16104aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * queuing as much audio data for playback as possible without blocking. 16114aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @return the number of bytes that were written or {@link #ERROR_INVALID_OPERATION} 16124aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 16134aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * the parameters don't resolve to valid data and indexes, or 16144aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 16154aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * needs to be recreated. 16164aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung */ 16174aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull byte[] audioData, int offsetInBytes, int sizeInBytes, 16184aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung @WriteMode int writeMode) { 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 162054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) { 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16244aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 16254aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 16264aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return ERROR_BAD_VALUE; 16274aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 16284aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung 1629fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInBytes < 0 ) || (sizeInBytes < 0) 1630a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInBytes + sizeInBytes < 0) // detect integer overflow 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInBytes + sizeInBytes > audioData.length)) { 16329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16357ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = native_write_byte(audioData, offsetInBytes, sizeInBytes, mAudioFormat, 16364aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung writeMode == WRITE_BLOCKING); 1637a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1638a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1639a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1640a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1641a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1642a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1643a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1644a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1645a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1649e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1650e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 16514aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 16524aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_16BIT} to correspond to the data in the array. 1653e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In streaming mode, will block until all data has been written to the audio sink. 1654e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 165588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Note that the actual playback of this data might occur after this function 165688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * returns. This function is thread safe with respect to {@link #stop} calls, 1657e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 165888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 1660ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param offsetInShorts the offset expressed in shorts in audioData where the data to play 1661ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 1662e8c82a37050e568f211d47951480b182a61d42b4Glenn Kasten * @param sizeInShorts the number of shorts to read in audioData after the offset. 16639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the number of shorts that were written or {@link #ERROR_INVALID_OPERATION} 166454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 1665136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * the parameters don't resolve to valid data and indexes, or 1666136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1667136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * needs to be recreated. 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16694aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull short[] audioData, int offsetInShorts, int sizeInShorts) { 16704aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return write(audioData, offsetInShorts, sizeInShorts, WRITE_BLOCKING); 16714aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 16729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16734aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung /** 16744aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * Writes the audio data to the audio sink for playback (streaming mode), 16754aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * or copies audio data for later playback (static buffer mode). 16764aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 16774aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_16BIT} to correspond to the data in the array. 16784aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * In streaming mode, will block until all data has been written to the audio sink. 16794aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * In static buffer mode, copies the data to the buffer starting at offset 0. 16804aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * Note that the actual playback of this data might occur after this function 16814aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * returns. This function is thread safe with respect to {@link #stop} calls, 16824aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * in which case all of the specified data might not be written to the audio sink. 16834aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * 16844aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param audioData the array that holds the data to play. 16854aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param offsetInShorts the offset expressed in shorts in audioData where the data to play 16864aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * starts. 16874aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param sizeInShorts the number of shorts to read in audioData after the offset. 16884aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 16894aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * effect in static mode. 16904aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 16914aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * to the audio sink. 16924aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 16934aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * queuing as much audio data for playback as possible without blocking. 16944aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @return the number of shorts that were written or {@link #ERROR_INVALID_OPERATION} 16954aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 16964aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * the parameters don't resolve to valid data and indexes, or 16974aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 16984aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * needs to be recreated. 16994aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung */ 17004aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull short[] audioData, int offsetInShorts, int sizeInShorts, 17014aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung @WriteMode int writeMode) { 1702fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1703c56b8085919771b6f027dc64ed6a44915e392464Glenn Kasten if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) { 17049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 17059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17074aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 17084aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 17094aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return ERROR_BAD_VALUE; 17104aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 17114aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung 1712fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInShorts < 0 ) || (sizeInShorts < 0) 1713a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInShorts + sizeInShorts < 0) // detect integer overflow 17149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInShorts + sizeInShorts > audioData.length)) { 17159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 17169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17184aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung int ret = native_write_short(audioData, offsetInShorts, sizeInShorts, mAudioFormat, 17194aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung writeMode == WRITE_BLOCKING); 1720a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1721a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1722a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1723a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1724a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1725a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1726a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1727a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1728a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 17299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 17327ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * Writes the audio data to the audio sink for playback (streaming mode), 17337ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * or copies audio data for later playback (static buffer mode). 17344aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 17354aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_FLOAT} to correspond to the data in the array. 173654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0, 173754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * and the write mode is ignored. 173854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * In streaming mode, the blocking behavior will depend on the write mode. 173954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <p> 174054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * Note that the actual playback of this data might occur after this function 174154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * returns. This function is thread safe with respect to {@link #stop} calls, 174254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * in which case all of the specified data might not be written to the audio sink. 174354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <p> 174454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param audioData the array that holds the data to play. 174554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * The implementation does not clip for sample values within the nominal range 174654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * [-1.0f, 1.0f], provided that all gains in the audio pipeline are 174754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * less than or equal to unity (1.0f), and in the absence of post-processing effects 174854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * that could add energy, such as reverb. For the convenience of applications 174954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * that compute samples using filters with non-unity gain, 175054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * sample values +3 dB beyond the nominal range are permitted. 175154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * However such values may eventually be limited or clipped, depending on various gains 175254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * and later processing in the audio path. Therefore applications are encouraged 175354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * to provide samples values within the nominal range. 175454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param offsetInFloats the offset, expressed as a number of floats, 175554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * in audioData where the data to play starts. 175654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param sizeInFloats the number of floats to read in audioData after the offset. 175754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 175854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * effect in static mode. 17594aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 176054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * to the audio sink. 17614aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 176254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * queuing as much audio data for playback as possible without blocking. 176354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @return the number of floats that were written, or {@link #ERROR_INVALID_OPERATION} 176454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * if the object wasn't properly initialized, or {@link #ERROR_BAD_VALUE} if 1765136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * the parameters don't resolve to valid data and indexes, or 1766136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1767136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * needs to be recreated. 176854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten */ 17694aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull float[] audioData, int offsetInFloats, int sizeInFloats, 177054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten @WriteMode int writeMode) { 177154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 177254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mState == STATE_UNINITIALIZED) { 177354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 177454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_INVALID_OPERATION; 177554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 177654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 177754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mAudioFormat != AudioFormat.ENCODING_PCM_FLOAT) { 177854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write(float[] ...) requires format ENCODING_PCM_FLOAT"); 177954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_INVALID_OPERATION; 178054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 178154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 178254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 178354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 178454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_BAD_VALUE; 178554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 178654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 178754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ( (audioData == null) || (offsetInFloats < 0 ) || (sizeInFloats < 0) 178854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten || (offsetInFloats + sizeInFloats < 0) // detect integer overflow 178954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten || (offsetInFloats + sizeInFloats > audioData.length)) { 179054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called with invalid array, offset, or size"); 179154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_BAD_VALUE; 179254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 179354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 179454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten int ret = native_write_float(audioData, offsetInFloats, sizeInFloats, mAudioFormat, 179554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten writeMode == WRITE_BLOCKING); 179654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 179754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 179854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 179954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (ret > 0)) { 180054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten // benign race with respect to other APIs that read mState 180154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten mState = STATE_INITIALIZED; 180254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 180354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 180454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ret; 180554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 180654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 180754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 180854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten /** 180954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 181054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * or copies audio data for later playback (static buffer mode). 18117ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * In static buffer mode, copies the data to the buffer starting at its 0 offset, and the write 18127ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * mode is ignored. 18137ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * In streaming mode, the blocking behavior will depend on the write mode. 18147ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param audioData the buffer that holds the data to play, starting at the position reported 18157ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * by <code>audioData.position()</code>. 18165d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * <BR>Note that upon return, the buffer position (<code>audioData.position()</code>) will 18175d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * have been advanced to reflect the amount of data that was successfully written to 18185d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * the AudioTrack. 18195d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * @param sizeInBytes number of bytes to write. 18205d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * <BR>Note this may differ from <code>audioData.remaining()</code>, but cannot exceed it. 18217ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 18227ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * effect in static mode. 18237ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 18247ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * to the audio sink. 18257ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 18267ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * queuing as much audio data for playback as possible without blocking. 18277ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @return 0 or a positive number of bytes that were written, or 1828136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link #ERROR_BAD_VALUE}, {@link #ERROR_INVALID_OPERATION}, or 1829136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1830136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * needs to be recreated. 18317ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 18324aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull ByteBuffer audioData, int sizeInBytes, 18337ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @WriteMode int writeMode) { 18347ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 18357ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (mState == STATE_UNINITIALIZED) { 18367ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 18377ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_INVALID_OPERATION; 18387ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 18397ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 18407ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 18417ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 18427ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 18437ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 18447ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 18455d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi if ( (audioData == null) || (sizeInBytes < 0) || (sizeInBytes > audioData.remaining())) { 18465d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid size (" + sizeInBytes + ") value"); 18477ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 18487ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 18497ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 18507ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = 0; 18517ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (audioData.isDirect()) { 18527ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_native_bytes(audioData, 18535d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi audioData.position(), sizeInBytes, mAudioFormat, 18547ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 18557ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } else { 18567ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_byte(NioUtils.unsafeArray(audioData), 18575d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi NioUtils.unsafeArrayOffset(audioData) + audioData.position(), 18587ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi sizeInBytes, mAudioFormat, 18597ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 18607ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 18617ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 18627ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((mDataLoadMode == MODE_STATIC) 18637ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (mState == STATE_NO_STATIC_DATA) 18647ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (ret > 0)) { 18657ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi // benign race with respect to other APIs that read mState 18667ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi mState = STATE_INITIALIZED; 18677ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 18687ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 18695d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi if (ret > 0) { 18705d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi audioData.position(audioData.position() + ret); 18715d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi } 18725d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi 18737ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ret; 18747ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 18757ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 18767ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 1877cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * Writes the audio data to the audio sink for playback (streaming mode) on a HW_AV_SYNC track. 1878cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * In streaming mode, the blocking behavior will depend on the write mode. 1879cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param audioData the buffer that holds the data to play, starting at the position reported 1880cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * by <code>audioData.position()</code>. 1881cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>Note that upon return, the buffer position (<code>audioData.position()</code>) will 1882cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * have been advanced to reflect the amount of data that was successfully written to 1883cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * the AudioTrack. 1884cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param sizeInBytes number of bytes to write. 1885cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>Note this may differ from <code>audioData.remaining()</code>, but cannot exceed it. 1886cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. 1887cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 1888cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * to the audio sink. 1889cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 1890cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * queuing as much audio data for playback as possible without blocking. 1891cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param timestamp The timestamp of the first decodable audio frame in the provided audioData. 1892cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @return 0 or a positive number of bytes that were written, or 1893cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * {@link #ERROR_BAD_VALUE}, {@link #ERROR_INVALID_OPERATION}, or 1894cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1895cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * needs to be recreated. 1896cfe964a09ca05778e5dd84f2fd24119b89401696Rachad */ 1897cfe964a09ca05778e5dd84f2fd24119b89401696Rachad public int write(ByteBuffer audioData, int sizeInBytes, 1898cfe964a09ca05778e5dd84f2fd24119b89401696Rachad @WriteMode int writeMode, long timestamp) { 1899cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1900cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if ((mAttributes.getFlags() & AudioAttributes.FLAG_HW_AV_SYNC) == 0) { 1901cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.d(TAG, "AudioTrack.write() called on a regular AudioTrack. Ignoring pts..."); 1902cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return write(audioData, sizeInBytes, writeMode); 1903cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1904cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1905cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if ((audioData == null) || (sizeInBytes < 0) || (sizeInBytes > audioData.remaining())) { 1906cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.e(TAG, "AudioTrack.write() called with invalid size (" + sizeInBytes + ") value"); 1907cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ERROR_BAD_VALUE; 1908cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1909cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1910cfe964a09ca05778e5dd84f2fd24119b89401696Rachad // create timestamp header if none exists 1911cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncHeader == null) { 1912cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = ByteBuffer.allocate(16); 1913cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.order(ByteOrder.BIG_ENDIAN); 1914cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.putInt(0x55550001); 1915cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.putInt(sizeInBytes); 1916cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.putLong(timestamp); 1917cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.position(0); 1918cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = sizeInBytes; 1919cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1920cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1921cfe964a09ca05778e5dd84f2fd24119b89401696Rachad // write timestamp header if not completely written already 1922cfe964a09ca05778e5dd84f2fd24119b89401696Rachad int ret = 0; 1923cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncHeader.remaining() != 0) { 1924cfe964a09ca05778e5dd84f2fd24119b89401696Rachad ret = write(mAvSyncHeader, mAvSyncHeader.remaining(), writeMode); 1925cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (ret < 0) { 1926cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.e(TAG, "AudioTrack.write() could not write timestamp header!"); 1927cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 1928cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 1929cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ret; 1930cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1931cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncHeader.remaining() > 0) { 1932cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.v(TAG, "AudioTrack.write() partial timestamp header written."); 1933cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return 0; 1934cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1935cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1936cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1937cfe964a09ca05778e5dd84f2fd24119b89401696Rachad // write audio data 1938cfe964a09ca05778e5dd84f2fd24119b89401696Rachad int sizeToWrite = Math.min(mAvSyncBytesRemaining, sizeInBytes); 1939cfe964a09ca05778e5dd84f2fd24119b89401696Rachad ret = write(audioData, sizeToWrite, writeMode); 1940cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (ret < 0) { 1941cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.e(TAG, "AudioTrack.write() could not write audio data!"); 1942cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 1943cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 1944cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ret; 1945cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1946cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1947cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining -= ret; 1948cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncBytesRemaining == 0) { 1949cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 1950cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1951cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1952cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ret; 1953cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 1954cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1955cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 1956cfe964a09ca05778e5dd84f2fd24119b89401696Rachad /** 1957ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Sets the playback head position within the static buffer to zero, 1958ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * that is it rewinds to start of static buffer. 1959ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * The track must be stopped or paused, and 1960ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the track's creation mode must be {@link #MODE_STATIC}. 1961ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <p> 196235e576e79292122fad462ebccd8520822552a6d7Andy Hung * As of {@link android.os.Build.VERSION_CODES#MNC}, also resets the value returned by 1963ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * {@link #getPlaybackHeadPosition()} to zero. 1964ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * For earlier API levels, the reset behavior is unspecified. 1965ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <p> 196635e576e79292122fad462ebccd8520822552a6d7Andy Hung * Use {@link #setPlaybackHeadPosition(int)} with a zero position 196735e576e79292122fad462ebccd8520822552a6d7Andy Hung * if the reset of <code>getPlaybackHeadPosition()</code> is not needed. 19689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 19699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 19709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 19719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int reloadStaticData() { 1972a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED) { 19739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 19749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_reload_static(); 19769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 19779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 19787070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------------------------------------------------------------- 19797070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent // Audio effects management 19807070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------- 19817070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 19827070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 19831a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * Attaches an auxiliary effect to the audio track. A typical auxiliary 19841a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * effect is a reverberation effect which can be applied on any sound source 19851a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * that directs a certain amount of its energy to this effect. This amount 19861a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * is defined by setAuxEffectSendLevel(). 19877070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@see #setAuxEffectSendLevel(float)}. 19881a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>After creating an auxiliary effect (e.g. 19891a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.EnvironmentalReverb}), retrieve its ID with 19901a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.AudioEffect#getId()} and use it when calling 19917070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method to attach the audio track to the effect. 19921a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>To detach the effect from the audio track, call this method with a 19931a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * null effect id. 19947070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 19957070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @param effectId system wide unique id of the effect to attach 19967070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 19977070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR_BAD_VALUE} 19987070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 19997070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int attachAuxEffect(int effectId) { 20003b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 20017070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 20027070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 20037070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return native_attachAuxEffect(effectId); 20047070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 20057070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 20067070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 20077070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * Sets the send level of the audio track to the attached auxiliary effect 200878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * {@link #attachAuxEffect(int)}. Effect levels 200978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * are clamped to the closed interval [0.0, max] where 201078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 201178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in no effect, and a value of 1.0 is full send. 2012e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * <p>By default the send level is 0.0f, so even if an effect is attached to the player 20137070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method must be called for the effect to be applied. 201478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Note that the passed level value is a linear scalar. UI controls should be scaled 201578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * logarithmically: the gain applied by audio framework ranges from -72dB to at least 0dB, 20167070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * so an appropriate conversion from linear UI input x to level is: 20175c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * x == 0 -> level = 0 20185c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * 0 < x <= R -> level = 10^(72*(x-R)/20/R) 20197070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 202078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param level linear send level 20217070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 20223009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR} 20237070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 20247070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int setAuxEffectSendLevel(float level) { 20251af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 20261af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return SUCCESS; 20271af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 20283b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 20297070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 20307070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 203178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten level = clampGainOrLevel(level); 20323009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten int err = native_setAuxEffectSendLevel(level); 20333009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten return err == 0 ? SUCCESS : ERROR; 20347070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 20359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 203688e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean //-------------------------------------------------------------------------- 203788e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean // Explicit Routing 203888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean //-------------------- 203988e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean private AudioDeviceInfo mPreferredDevice = null; 204088e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 204188e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean /** 20422d6de4c38c899707e0596b7fa4dad9bbb3eb6b60Paul McLean * Specifies an audio device (via an {@link AudioDeviceInfo} object) to route 204388e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean * the output from this AudioTrack. 20449e29086d5df800532e736d8f31e2b9159b102524Glenn Kasten * @param deviceInfo The {@link AudioDeviceInfo} specifying the audio sink. 20459e29086d5df800532e736d8f31e2b9159b102524Glenn Kasten * If deviceInfo is null, default routing is restored. 204688e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean * @return true if succesful, false if the specified {@link AudioDeviceInfo} is non-null and 204788e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean * does not correspond to a valid audio output device. 204888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean */ 20492d6de4c38c899707e0596b7fa4dad9bbb3eb6b60Paul McLean public boolean setPreferredOutputDevice(AudioDeviceInfo deviceInfo) { 205088e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean // Do some validation.... 20512d6de4c38c899707e0596b7fa4dad9bbb3eb6b60Paul McLean if (deviceInfo != null && !deviceInfo.isSink()) { 205288e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean return false; 205388e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean } 20544bcdba848449b33d7022de527c526943aff1f5fdEric Laurent int preferredDeviceId = deviceInfo != null ? deviceInfo.getId() : 0; 20554bcdba848449b33d7022de527c526943aff1f5fdEric Laurent boolean status = native_setOutputDevice(preferredDeviceId); 20564bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (status == true) { 20574bcdba848449b33d7022de527c526943aff1f5fdEric Laurent synchronized (this) { 20584bcdba848449b33d7022de527c526943aff1f5fdEric Laurent mPreferredDevice = deviceInfo; 20594bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 20604bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 20614bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return status; 206288e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean } 206388e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 206488e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean /** 206588e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean * Returns the selected output specified by {@link #setPreferredOutputDevice}. Note that this 20662d6de4c38c899707e0596b7fa4dad9bbb3eb6b60Paul McLean * is not guaranteed to correspond to the actual device being used for playback. 206788e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean */ 206888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean public AudioDeviceInfo getPreferredOutputDevice() { 20694bcdba848449b33d7022de527c526943aff1f5fdEric Laurent synchronized (this) { 20704bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return mPreferredDevice; 20714bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 207288e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean } 207388e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 2074d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean //-------------------------------------------------------------------------- 2075d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // (Re)Routing Info 2076d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean //-------------------- 2077d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2078d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Returns an {@link AudioDeviceInfo} identifying the current routing of this AudioTrack. 2079d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2080d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean public AudioDeviceInfo getRoutedDevice() { 20814bcdba848449b33d7022de527c526943aff1f5fdEric Laurent int deviceId = native_getRoutedDeviceId(); 20824bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (deviceId == 0) { 20834bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return null; 20844bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 20854bcdba848449b33d7022de527c526943aff1f5fdEric Laurent AudioDeviceInfo[] devices = 20864bcdba848449b33d7022de527c526943aff1f5fdEric Laurent AudioDevicesManager.listDevicesStatic(AudioDevicesManager.LIST_DEVICES_OUTPUTS); 20874bcdba848449b33d7022de527c526943aff1f5fdEric Laurent for (int i = 0; i < devices.length; i++) { 20884bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (devices[i].getId() == deviceId) { 20894bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return devices[i]; 20904bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 20914bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2092d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean return null; 2093d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2094d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2095d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2096d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * The message sent to apps when the routing of this AudioTrack changes if they provide 2097d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * a {#link Handler} object to addOnAudioTrackRoutingListener(). 2098d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2099d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private ArrayMap<OnAudioTrackRoutingListener, NativeRoutingEventHandlerDelegate> 2100d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mRoutingChangeListeners = 2101d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean new ArrayMap<OnAudioTrackRoutingListener, NativeRoutingEventHandlerDelegate>(); 2102d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2103d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2104d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Adds an {@link OnAudioTrackRoutingListener} to receive notifications of routing changes 2105d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * on this AudioTrack. 2106d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2107d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean public void addOnAudioTrackRoutingListener(OnAudioTrackRoutingListener listener, 2108d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean android.os.Handler handler) { 2109d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (listener != null && !mRoutingChangeListeners.containsKey(listener)) { 2110d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean synchronized (mRoutingChangeListeners) { 21114bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (mRoutingChangeListeners.size() == 0) { 21124bcdba848449b33d7022de527c526943aff1f5fdEric Laurent native_enableDeviceCallback(); 21134bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2114d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mRoutingChangeListeners.put( 2115d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean listener, new NativeRoutingEventHandlerDelegate(this, listener, handler)); 2116d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2117d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2118d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2119d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2120d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2121d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Removes an {@link OnAudioTrackRoutingListener} which has been previously added 2122d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * to receive notifications of changes to the set of connected audio devices. 2123d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2124d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean public void removeOnAudioTrackRoutingListener(OnAudioTrackRoutingListener listener) { 2125d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean synchronized (mRoutingChangeListeners) { 2126d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (mRoutingChangeListeners.containsKey(listener)) { 2127d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mRoutingChangeListeners.remove(listener); 2128d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 21294bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (mRoutingChangeListeners.size() == 0) { 21304bcdba848449b33d7022de527c526943aff1f5fdEric Laurent native_disableDeviceCallback(); 21314bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2132d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2133d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2134d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2135d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2136d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Sends device list change notification to all listeners. 2137d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2138d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private void broadcastRoutingChange() { 2139d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Collection<NativeRoutingEventHandlerDelegate> values; 2140d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean synchronized (mRoutingChangeListeners) { 2141d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean values = mRoutingChangeListeners.values(); 2142d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 21434bcdba848449b33d7022de527c526943aff1f5fdEric Laurent AudioManager.resetAudioPortGeneration(); 2144d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean for(NativeRoutingEventHandlerDelegate delegate : values) { 2145d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Handler handler = delegate.getHandler(); 2146d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (handler != null) { 21474bcdba848449b33d7022de527c526943aff1f5fdEric Laurent handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE); 2148d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2149d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2150d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2151d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 21539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Interface definitions 21549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 21559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21564df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Interface definition for a callback to be invoked when the playback head position of 21574df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * an AudioTrack has reached a notification marker or has increased by a certain period. 21589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21594df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public interface OnPlaybackPositionUpdateListener { 21609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to notify it that the previously set marker has been reached 21629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the playback head. 21639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMarkerReached(AudioTrack track); 2165fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 21669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to periodically notify it that the playback head has reached 21689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a multiple of the notification period. 21699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPeriodicNotification(AudioTrack track); 21719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 21749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inner classes 21759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 21769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 21774df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Helper class to handle the forwarding of native events to the appropriate listener 21784df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * (potentially) handled in a different thread 21795c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten */ 2180d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private class NativePositionEventHandlerDelegate { 21814df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private final Handler mHandler; 2182fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 2183d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean NativePositionEventHandlerDelegate(final AudioTrack track, 218495bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten final OnPlaybackPositionUpdateListener listener, 218595bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler) { 21864df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // find the looper for our new event handler 21874df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Looper looper; 21884df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (handler != null) { 21894df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project looper = handler.getLooper(); 21904df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 2191105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // no given handler, use the looper the AudioTrack was created in 2192105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project looper = mInitializationLooper; 21939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2194fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 21954df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // construct the event handler with this looper 21964df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (looper != null) { 21974df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // implement the event handler delegate 21984df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = new Handler(looper) { 21994df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project @Override 22004df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void handleMessage(Message msg) { 220195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (track == null) { 22024df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return; 22034df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 22044df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project switch(msg.what) { 22054df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_MARKER: 22064df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 220795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onMarkerReached(track); 22084df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 22094df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 22104df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_NEW_POS: 22114df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 221295bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onPeriodicNotification(track); 22134df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 22144df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 22154df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project default: 22161f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Unknown native event type: " + msg.what); 22174df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 22184df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 22194df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 22204df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project }; 22214df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 22224df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = null; 2223fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } 22244df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 2225fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 22264df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler getHandler() { 22274df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return mHandler; 22289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2231d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2232d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Helper class to handle the forwarding of native events to the appropriate listener 2233d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * (potentially) handled in a different thread 2234d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2235d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private class NativeRoutingEventHandlerDelegate { 2236d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private final Handler mHandler; 2237d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2238d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean NativeRoutingEventHandlerDelegate(final AudioTrack track, 2239d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean final OnAudioTrackRoutingListener listener, 2240d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Handler handler) { 2241d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // find the looper for our new event handler 2242d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Looper looper; 2243d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (handler != null) { 2244d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean looper = handler.getLooper(); 2245d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } else { 2246d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // no given handler, use the looper the AudioTrack was created in 2247d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean looper = mInitializationLooper; 2248d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2249d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2250d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // construct the event handler with this looper 2251d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (looper != null) { 2252d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // implement the event handler delegate 2253d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mHandler = new Handler(looper) { 2254d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean @Override 2255d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean public void handleMessage(Message msg) { 2256d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (track == null) { 2257d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean return; 2258d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2259d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean switch(msg.what) { 22604bcdba848449b33d7022de527c526943aff1f5fdEric Laurent case AudioSystem.NATIVE_EVENT_ROUTING_CHANGE: 2261d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (listener != null) { 2262d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean listener.onAudioTrackRouting(track); 2263d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2264d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean break; 2265d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean default: 2266d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean loge("Unknown native event type: " + msg.what); 2267d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean break; 2268d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2269d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2270d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean }; 2271d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } else { 2272d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mHandler = null; 2273d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2274d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2275d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2276d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Handler getHandler() { 2277d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean return mHandler; 2278d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2279d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 22809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 22829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Java methods called from the native side 22839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 22849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 22859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object audiotrack_ref, 22869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) { 22879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("Event posted from the native side: event="+ what + " args="+ arg1+" "+arg2); 22889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioTrack track = (AudioTrack)((WeakReference)audiotrack_ref).get(); 22899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (track == null) { 22909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 22919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 22929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 22934bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (what == AudioSystem.NATIVE_EVENT_ROUTING_CHANGE) { 22944bcdba848449b33d7022de527c526943aff1f5fdEric Laurent track.broadcastRoutingChange(); 22954bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return; 22964bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2297d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean NativePositionEventHandlerDelegate delegate = track.mEventHandlerDelegate; 229895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (delegate != null) { 229995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler = delegate.getHandler(); 230095bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (handler != null) { 230195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Message m = handler.obtainMessage(what, arg1, arg2, obj); 230295bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten handler.sendMessage(m); 230395bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } 23049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 23099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Native methods called from the Java side 23109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 23119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2312a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // post-condition: mStreamType is overwritten with a value 2313a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // that reflects the audio attributes (e.g. an AudioAttributes object with a usage of 2314a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // AudioAttributes.USAGE_MEDIA will map to AudioManager.STREAM_MUSIC 2315a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi private native final int native_setup(Object /*WeakReference<AudioTrack>*/ audiotrack_this, 2316a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi Object /*AudioAttributes*/ attributes, 231730d794360f35592554403922bcc07835fea4737bAndy Hung int sampleRate, int channelMask, int channelIndexMask, int audioFormat, 2318619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int buffSizeInBytes, int mode, int[] sessionId); 23199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 23219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 23239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_start(); 23259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_stop(); 23279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_pause(); 23299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_flush(); 23319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_byte(byte[] audioData, 23337ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int offsetInBytes, int sizeInBytes, int format, 23347ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi boolean isBlocking); 23359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_short(short[] audioData, 23374aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung int offsetInShorts, int sizeInShorts, int format, 23384aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung boolean isBlocking); 23399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 234054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten private native final int native_write_float(float[] audioData, 234154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten int offsetInFloats, int sizeInFloats, int format, 234254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten boolean isBlocking); 234354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 23447ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi private native final int native_write_native_bytes(Object audioData, 23455d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi int positionInBytes, int sizeInBytes, int format, boolean blocking); 23467ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 23479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_reload_static(); 23489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_native_frame_count(); 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setVolume(float leftVolume, float rightVolume); 23529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 235388e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_set_playback_rate(int sampleRateInHz); 235488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_get_playback_rate(); 23559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23562d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia private native final void native_set_playback_params(@NonNull PlaybackParams params); 23572d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia private native final @NonNull PlaybackParams native_get_playback_params(); 2358263b4c97823295c41900210515d0c769a236190cAndy Hung 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_marker_pos(int marker); 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_marker_pos(); 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_pos_update_period(int updatePeriod); 23639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_pos_update_period(); 23649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_position(int position); 23669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_position(); 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 236861dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman private native final int native_get_latency(); 236961dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 2370948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // longArray must be a non-null array of length >= 2 2371948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [0] is assigned the frame position 2372948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [1] is assigned the time in CLOCK_MONOTONIC nanoseconds 2373948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten private native final int native_get_timestamp(long[] longArray); 2374948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 23759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_loop(int start, int end, int loopCount); 23769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_output_sample_rate(int streamType); 23789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_min_buff_size( 23799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sampleRateInHz, int channelConfig, int audioFormat); 23809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23817070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent private native final int native_attachAuxEffect(int effectId); 23823009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten private native final int native_setAuxEffectSendLevel(float level); 23837070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 238488e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean private native final boolean native_setOutputDevice(int deviceId); 23854bcdba848449b33d7022de527c526943aff1f5fdEric Laurent private native final int native_getRoutedDeviceId(); 23864bcdba848449b33d7022de527c526943aff1f5fdEric Laurent private native final void native_enableDeviceCallback(); 23874bcdba848449b33d7022de527c526943aff1f5fdEric Laurent private native final void native_disableDeviceCallback(); 238888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 23899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 23909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Utility methods 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //------------------ 23929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void logd(String msg) { 23941f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.d(TAG, msg); 23959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void loge(String msg) { 23981f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.e(TAG, msg); 23999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2401