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; 301af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.app.ActivityThread; 311af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.app.AppOpsManager; 321af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.content.Context; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 341af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.IBinder; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Looper; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 371af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.Process; 381af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.RemoteException; 391af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport android.os.ServiceManager; 40d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLeanimport android.util.ArrayMap; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 431af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlockimport com.android.internal.app.IAppOpsService; 441af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The AudioTrack class manages and plays a single audio resource for Java applications. 48e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * It allows streaming of PCM audio buffers to the audio sink for playback. This is 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * achieved by "pushing" the data to the AudioTrack object using one of the 507d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link #write(byte[], int, int)}, {@link #write(short[], int, int)}, 517d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link #write(float[], int, int, int)} methods. 5288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 53ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <p>An AudioTrack instance can operate under two modes: static or streaming.<br> 54ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * In Streaming mode, the application writes a continuous stream of data to the AudioTrack, using 5588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * one of the {@code write()} methods. These are blocking and return when the data has been 5688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * transferred from the Java layer to the native layer and queued for playback. The streaming 5788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * mode is most useful when playing blocks of audio data that for instance are: 5888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <ul> 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the duration of the sound to play,</li> 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <li>too big to fit in memory because of the characteristics of the audio data 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (high sampling rate, bits per sample ...)</li> 63ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * <li>received or generated while previously queued audio is playing.</li> 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * </ul> 6588bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 665c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * The static mode should be chosen when dealing with short sounds that fit in memory and 6788bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * that need to be played with the smallest latency possible. The static mode will 6888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * therefore be preferred for UI and game sounds that are played often, and with the 6988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * smallest overhead possible. 7088bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * <p>Upon creation, an AudioTrack object initializes its associated audio buffer. 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The size of this buffer, specified during the construction, determines how long an AudioTrack 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * can play before running out of data.<br> 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * For an AudioTrack using the static mode, this size is the maximum size of the sound that can 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * be played from it.<br> 76e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For the streaming mode, data will be written to the audio sink in chunks of 775c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * sizes less than or equal to the total buffer size. 7855a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * 7955a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * AudioTrack is not final and thus permits subclasses, but such use is not recommended. 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class AudioTrack 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constants 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 8678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten /** Minimum value for a linear gain or auxiliary effect level. 8778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * This value must be exactly equal to 0.0f; do not change it. 8878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten */ 8978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static final float GAIN_MIN = 0.0f; 9078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten /** Maximum value for a linear gain or auxiliary effect level. 9178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * This value must be greater than or equal to 1.0f. 9278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten */ 9378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static final float GAIN_MAX = 1.0f; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 95ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Minimum value for sample rate */ 96ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten private static final int SAMPLE_RATE_HZ_MIN = 4000; 97ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten /** Maximum value for sample rate */ 988fd0928cdb6249882acb18274ff7ddaab6fa46d0Andy Hung private static final int SAMPLE_RATE_HZ_MAX = 192000; 99ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten 100340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten // FCC_8 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; 1611b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent /** 1621b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * An error code indicating that the object reporting it is no longer valid and needs to 1631b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * be recreated. 1641b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * @hide 1651b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent */ 1661b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent public static final int ERROR_DEAD_OBJECT = AudioSystem.DEAD_OBJECT; 1671b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent /** 1681b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * {@link #getTimestampWithStatus(AudioTimestamp)} is called in STOPPED or FLUSHED state, 1691b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * or immediately after start/ACTIVE. 1701b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * @hide 1711b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent */ 1721b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent public static final int ERROR_WOULD_BLOCK = AudioSystem.WOULD_BLOCK; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 174bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent // Error codes: 175bc11a696f6856624de532a6830d5db9dbbe2384cEric Laurent // to keep in sync with frameworks/base/core/jni/android_media_AudioTrack.cpp 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_AUDIOSYSTEM = -16; 177a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private static final int ERROR_NATIVESETUP_INVALIDCHANNELMASK = -17; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDFORMAT = -18; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_INVALIDSTREAMTYPE = -19; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int ERROR_NATIVESETUP_NATIVEINITFAILED = -20; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Events: 183e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // to keep in sync with frameworks/av/include/media/AudioTrack.h 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 185ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when playback head has reached a previously set marker. 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_MARKER = 3; 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 189ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Event id denotes when previously set update period has elapsed during playback. 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static final int NATIVE_EVENT_NEW_POS = 4; 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1931f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten private final static String TAG = "android.media.AudioTrack"; 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1967ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** @hide */ 1977ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @IntDef({ 1987ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_BLOCKING, 1997ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi WRITE_NON_BLOCKING 2007ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi }) 2017ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @Retention(RetentionPolicy.SOURCE) 2027ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public @interface WriteMode {} 2037ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 2047ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 2057ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will block until all data has been written, 206659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * to be used as the actual value of the writeMode parameter in 207659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(byte[], int, int, int)}, {@link #write(short[], int, int, int)}, 208659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(float[], int, int, int)}, {@link #write(ByteBuffer, int, int)}, and 209659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(ByteBuffer, int, int, long)}. 2107ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 2117ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_BLOCKING = 0; 212659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten 2137ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 2147ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * The write mode indicating the write operation will return immediately after 215659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * queuing as much audio data for playback as possible without blocking, 216659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * to be used as the actual value of the writeMode parameter in 217659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(ByteBuffer, int, int)}, {@link #write(short[], int, int, int)}, 218659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(float[], int, int, int)}, {@link #write(ByteBuffer, int, int)}, and 219659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(ByteBuffer, int, int, long)}. 2207ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 2217ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi public final static int WRITE_NON_BLOCKING = 1; 2227ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Member variables 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 227ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the state of the AudioTrack instance. 228340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * One of STATE_UNINITIALIZED, STATE_INITIALIZED, or STATE_NO_STATIC_DATA. 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mState = STATE_UNINITIALIZED; 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 232ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Indicates the play state of the AudioTrack instance. 233340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * One of PLAYSTATE_STOPPED, PLAYSTATE_PAUSED, or PLAYSTATE_PLAYING. 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mPlayState = PLAYSTATE_STOPPED; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 237340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * Lock to ensure mPlayState updates reflect the actual state of the object. 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private final Object mPlayStateLock = new Object(); 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 241e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sizes of the native audio buffer. 2424bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * These values are set during construction and can be stale. 243e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * To obtain the current native audio buffer frame count use {@link #getBufferSizeInFrames()}. 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mNativeBufferSizeInBytes = 0; 246e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten private int mNativeBufferSizeInFrames = 0; 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 24886fad47e68e344b19fabeab1156c5e6742d8dfadGlenn Kasten * Handler for events coming from the native code. 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 250d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private NativePositionEventHandlerDelegate mEventHandlerDelegate; 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 252ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Looper associated with the thread that creates the AudioTrack instance. 253105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project */ 254b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten private final Looper mInitializationLooper; 255105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project /** 2568d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * The audio data source sampling rate in Hz. 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 258340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten private int mSampleRate; // initialized by all constructors via audioParamCheck() 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 260340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * The number of audio output channels (1 is mono, 2 is stereo, etc.). 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mChannelCount = 1; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 264a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * The audio channel mask used for calling native AudioTrack 2653026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent */ 2669ea5e5564812bb88e62d0c4fae8f1d40d8a6e7e0Glenn Kasten private int mChannelMask = AudioFormat.CHANNEL_OUT_MONO; 2673026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 2683026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent /** 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The type of the audio stream to play. See 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 2715c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 272b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_ALARM}, {@link AudioManager#STREAM_NOTIFICATION}, and 273b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_DTMF}. 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mStreamType = AudioManager.STREAM_MUSIC; 276a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi 277a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi private final AudioAttributes mAttributes; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 279340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * The way audio is consumed by the audio sink, one of MODE_STATIC or MODE_STREAM. 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mDataLoadMode = MODE_STREAM; 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 283a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * The current channel position mask, as specified on AudioTrack creation. 284a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * Can be set simultaneously with channel index mask {@link #mChannelIndexMask}. 285a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * May be set to {@link AudioFormat#CHANNEL_INVALID} if a channel index mask is specified. 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 287a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent private int mChannelConfiguration = AudioFormat.CHANNEL_OUT_MONO; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 289340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * The channel index mask if specified, otherwise 0. 290a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung */ 291a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung private int mChannelIndexMask = 0; 292a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung /** 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The encoding of the audio samples. 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_8BIT 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see AudioFormat#ENCODING_PCM_16BIT 2967d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * @see AudioFormat#ENCODING_PCM_FLOAT 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 298340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten private int mAudioFormat; // initialized by all constructors via audioParamCheck() 299619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 300619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Audio session ID 301619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 30260bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten private int mSessionId = AudioSystem.AUDIO_SESSION_ALLOCATE; 3031af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock /** 3041af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock * Reference to the app-ops service. 3051af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock */ 3061af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock private final IAppOpsService mAppOps; 307cfe964a09ca05778e5dd84f2fd24119b89401696Rachad /** 308cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * HW_AV_SYNC track AV Sync Header 309cfe964a09ca05778e5dd84f2fd24119b89401696Rachad */ 310cfe964a09ca05778e5dd84f2fd24119b89401696Rachad private ByteBuffer mAvSyncHeader = null; 311cfe964a09ca05778e5dd84f2fd24119b89401696Rachad /** 312cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * HW_AV_SYNC track audio data bytes remaining to write after current AV sync header 313cfe964a09ca05778e5dd84f2fd24119b89401696Rachad */ 314cfe964a09ca05778e5dd84f2fd24119b89401696Rachad private int mAvSyncBytesRemaining = 0; 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------- 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Used exclusively by native code 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 320ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Accessed by native methods: provides access to C++ AudioTrack object. 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 323075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mNativeTrackInJavaObj; 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Accessed by native methods: provides access to the JNI data (i.e. resources used by 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the native AudioTrack object, but not stored in it). 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 329075e9a19ce645752f8282bc19c91b25978a7dc52Ashok Bhat private long mJniData; 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Constructor, Finalize 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Class constructor. 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param streamType the type of the audio stream. See 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 3395c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 3405c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 3418d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param channelConfig describes the configuration of the audio channels. 343a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 344a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioFormat the format in which the audio data is represented. 3467d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT}, 3477d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 3487d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 349e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param bufferSizeInBytes the total size (in bytes) of the internal buffer where audio data is 3504bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * read from for playback. This should be a multiple of the frame size in bytes. 3514bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STATIC}, 352e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * this is the maximum length sample, or audio clip, that can be played by this instance. 3534bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STREAM}, 3544bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * this should be the desired buffer size 3554bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * for the <code>AudioTrack</code> to satisfy the application's 3564bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * natural latency requirements. 3574bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * If <code>bufferSizeInBytes</code> is less than the 3584bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * minimum buffer size for the output sink, it is automatically increased to the minimum 3594bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * buffer size. 360e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * The method {@link #getBufferSizeInFrames()} returns the 3614bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * actual size in frames of the native buffer created, which 3624bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * determines the frequency to write 3634bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * to the streaming <code>AudioTrack</code> to avoid underrun. 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws java.lang.IllegalArgumentException 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int bufferSizeInBytes, int mode) 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalArgumentException { 370619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent this(streamType, sampleRateInHz, channelConfig, audioFormat, 37160bd67f7b1b85ed0ee19f77b056b90350a3d5343Glenn Kasten bufferSizeInBytes, mode, AudioSystem.AUDIO_SESSION_ALLOCATE); 372619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 373619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 374619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 375619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Class constructor with audio session. Use this constructor when the AudioTrack must be 376619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * attached to a particular audio session. The primary use of the audio session ID is to 377619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * associate audio effects to a particular instance of AudioTrack: if an audio session ID 378619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * is provided when creating an AudioEffect, this effect will be applied only to audio tracks 379619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * and media players in the same session and not to the output mix. 380619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * When an AudioTrack is created without specifying a session, it will create its own session 3818d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * which can be retrieved by calling the {@link #getAudioSessionId()} method. 3825c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * If a non-zero session ID is provided, this AudioTrack will share effects attached to this 3835c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * session 3845c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * with all other media players or audio tracks in the same session, otherwise a new session 3855c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * will be created for this track if none is supplied. 386619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param streamType the type of the audio stream. See 387619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioManager#STREAM_VOICE_CALL}, {@link AudioManager#STREAM_SYSTEM}, 3885c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_RING}, {@link AudioManager#STREAM_MUSIC}, 3895c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_ALARM}, and {@link AudioManager#STREAM_NOTIFICATION}. 3908d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the initial source sample rate expressed in Hz. 391619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param channelConfig describes the configuration of the audio channels. 392619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 393619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 394619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param audioFormat the format in which the audio data is represented. 395619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link AudioFormat#ENCODING_PCM_16BIT} and 3967d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 3977d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 398619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 399619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * from for playback. If using the AudioTrack in streaming mode, you can write data into 400619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 401619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * this is the maximum size of the sound that will be played for this instance. 402619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 403619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * for the successful creation of an AudioTrack instance in streaming mode. Using values 404619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * smaller than getMinBufferSize() will result in an initialization failure. 405619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM} 406619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @param sessionId Id of audio session the AudioTrack must be attached to 407619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @throws java.lang.IllegalArgumentException 408619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 409619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public AudioTrack(int streamType, int sampleRateInHz, int channelConfig, int audioFormat, 410619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int bufferSizeInBytes, int mode, int sessionId) 411619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent throws IllegalArgumentException { 412a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // mState already == STATE_UNINITIALIZED 413a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi this((new AudioAttributes.Builder()) 414a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setLegacyStreamType(streamType) 415a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .build(), 416a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi (new AudioFormat.Builder()) 417a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setChannelMask(channelConfig) 418a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setEncoding(audioFormat) 419a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .setSampleRate(sampleRateInHz) 420a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi .build(), 421a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi bufferSizeInBytes, 422a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi mode, sessionId); 423a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 424a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi 425a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi /** 4267f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * Class constructor with {@link AudioAttributes} and {@link AudioFormat}. 4277f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param attributes a non-null {@link AudioAttributes} instance. 4287f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param format a non-null {@link AudioFormat} instance describing the format of the data 4297f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * that will be played through this AudioTrack. See {@link AudioFormat.Builder} for 4307f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * configuring the audio format parameters such as encoding, channel mask and sample rate. 4317f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param bufferSizeInBytes the total size (in bytes) of the buffer where audio data is read 4327f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * from for playback. If using the AudioTrack in streaming mode, you can write data into 4337f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * this buffer in smaller chunks than this size. If using the AudioTrack in static mode, 4347f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * this is the maximum size of the sound that will be played for this instance. 4357f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * See {@link #getMinBufferSize(int, int, int)} to determine the minimum required buffer size 4367f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * for the successful creation of an AudioTrack instance in streaming mode. Using values 4377f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * smaller than getMinBufferSize() will result in an initialization failure. 4387f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @param mode streaming or static buffer. See {@link #MODE_STATIC} and {@link #MODE_STREAM}. 439289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * @param sessionId ID of audio session the AudioTrack must be attached to, or 440289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * {@link AudioManager#AUDIO_SESSION_ID_GENERATE} if the session isn't known at construction 441289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * time. See also {@link AudioManager#generateAudioSessionId()} to obtain a session ID before 442289cc8e887f786f557faab226a1e01abb9a632a6Jean-Michel Trivi * construction. 4437f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi * @throws IllegalArgumentException 444a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi */ 445a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi public AudioTrack(AudioAttributes attributes, AudioFormat format, int bufferSizeInBytes, 446a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int mode, int sessionId) 447a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi throws IllegalArgumentException { 448a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // mState already == STATE_UNINITIALIZED 4495c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten 4507f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi if (attributes == null) { 4517f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioAttributes"); 4527f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi } 4537f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi if (format == null) { 4547f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioFormat"); 4557f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi } 4567f6ee760b0aee76bdb9fe61ac7ed1465c0da3489Jean-Michel Trivi 4575c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // remember which looper is associated with the AudioTrack instantiation 458b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten Looper looper; 459b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten if ((looper = Looper.myLooper()) == null) { 460b09707a041957f055cee3d290c85763cfef8d986Glenn Kasten looper = Looper.getMainLooper(); 461105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project } 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 463a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int rate = 0; 464a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi if ((format.getPropertySetMask() & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_SAMPLE_RATE) != 0) 465a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi { 466a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi rate = format.getSampleRate(); 467a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } else { 468a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi rate = AudioSystem.getPrimaryOutputSamplingRate(); 469a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi if (rate <= 0) { 470a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi rate = 44100; 471a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 472a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 473a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int channelIndexMask = 0; 474a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if ((format.getPropertySetMask() 475a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_CHANNEL_INDEX_MASK) != 0) { 476a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung channelIndexMask = format.getChannelIndexMask(); 477a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 478a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int channelMask = 0; 479a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if ((format.getPropertySetMask() 480a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_CHANNEL_MASK) != 0) { 481a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi channelMask = format.getChannelMask(); 482a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } else if (channelIndexMask == 0) { // if no masks at all, use stereo 483a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung channelMask = AudioFormat.CHANNEL_OUT_FRONT_LEFT 484a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung | AudioFormat.CHANNEL_OUT_FRONT_RIGHT; 485a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 486a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int encoding = AudioFormat.ENCODING_DEFAULT; 487a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi if ((format.getPropertySetMask() & AudioFormat.AUDIO_FORMAT_HAS_PROPERTY_ENCODING) != 0) { 488a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi encoding = format.getEncoding(); 489a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi } 490a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung audioParamCheck(rate, channelMask, channelIndexMask, encoding, mode); 491a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi mStreamType = AudioSystem.STREAM_DEFAULT; 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project audioBuffSizeCheck(bufferSizeInBytes); 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 495a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi mInitializationLooper = looper; 4961af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock IBinder b = ServiceManager.getService(Context.APP_OPS_SERVICE); 4971af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock mAppOps = IAppOpsService.Stub.asInterface(b); 4981af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 499340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten mAttributes = new AudioAttributes.Builder(attributes).build(); 500a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi 501619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent if (sessionId < 0) { 502f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio session ID: "+sessionId); 503619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 504619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 505619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int[] session = new int[1]; 506619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent session[0] = sessionId; 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // native initialization 508a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi int initResult = native_setup(new WeakReference<AudioTrack>(this), mAttributes, 5099ea5e5564812bb88e62d0c4fae8f1d40d8a6e7e0Glenn Kasten mSampleRate, mChannelMask, mChannelIndexMask, mAudioFormat, 510619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mNativeBufferSizeInBytes, mDataLoadMode, session); 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (initResult != SUCCESS) { 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("Error code "+initResult+" when initializing AudioTrack."); 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; // with mState == STATE_UNINITIALIZED 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 516619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent mSessionId = session[0]; 517619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mDataLoadMode == MODE_STATIC) { 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_NO_STATIC_DATA; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_INITIALIZED; 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 52535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 52635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Builder class for {@link AudioTrack} objects. 52735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Use this class to configure and create an <code>AudioTrack</code> instance. By setting audio 52835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * attributes and audio format parameters, you indicate which of those vary from the default 52935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * behavior on the device. 53035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <p> Here is an example where <code>Builder</code> is used to specify all {@link AudioFormat} 53135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * parameters, to be used by a new <code>AudioTrack</code> instance: 53235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * 53335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <pre class="prettyprint"> 53435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * AudioTrack player = new AudioTrack.Builder() 53535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setAudioAttributes(new AudioAttributes.Builder() 53635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setUsage(AudioAttributes.USAGE_ALARM) 53735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setContentType(CONTENT_TYPE_MUSIC) 53835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .build()) 53935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setAudioFormat(new AudioFormat.Builder() 54035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setEncoding(AudioFormat.ENCODING_PCM_16BIT) 54135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setSampleRate(441000) 54235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setChannelMask(AudioFormat.CHANNEL_OUT_STEREO) 54335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .build()) 54435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .setBufferSize(minBuffSize) 54535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * .build(); 54635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * </pre> 54735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <p> 54835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * If the audio attributes are not set with {@link #setAudioAttributes(AudioAttributes)}, 54935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * attributes comprising {@link AudioAttributes#USAGE_MEDIA} will be used. 55035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If the audio format is not specified or is incomplete, its sample rate will be the 55135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * default output sample rate of the device (see 55235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioManager#PROPERTY_OUTPUT_SAMPLE_RATE}), its channel configuration will be 55335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioFormat#CHANNEL_OUT_STEREO} and the encoding will be 55435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioFormat#ENCODING_PCM_16BIT}. 5554bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <br>If the buffer size is not specified with {@link #setBufferSizeInBytes(int)}, 5564bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * and the mode is {@link AudioTrack#MODE_STREAM}, the minimum buffer size is used. 55735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If the transfer mode is not specified with {@link #setTransferMode(int)}, 5584bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <code>MODE_STREAM</code> will be used. 55935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If the session ID is not specified with {@link #setSessionId(int)}, a new one will 56035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * be generated. 56135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 56235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public static class Builder { 56335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private AudioAttributes mAttributes; 56435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private AudioFormat mFormat; 56535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private int mBufferSizeInBytes; 56635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private int mSessionId = AudioManager.AUDIO_SESSION_ID_GENERATE; 56735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi private int mMode = MODE_STREAM; 56835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 56935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 57035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Constructs a new Builder with the default values as described above. 57135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 57235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public Builder() { 57335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 57435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 57535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 57635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the {@link AudioAttributes}. 57735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param attributes a non-null {@link AudioAttributes} instance that describes the audio 57835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * data to be played. 57935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 58035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 58135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 58235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setAudioAttributes(@NonNull AudioAttributes attributes) 58335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 58435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (attributes == null) { 58535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioAttributes argument"); 58635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 58735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi // keep reference, we only copy the data when building 58835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mAttributes = attributes; 58935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 59035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 59135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 59235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 59335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the format of the audio data to be played by the {@link AudioTrack}. 59435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * See {@link AudioFormat.Builder} for configuring the audio format parameters such 59535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * as encoding, channel mask and sample rate. 59635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param format a non-null {@link AudioFormat} instance. 59735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 59835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 59935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 60035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setAudioFormat(@NonNull AudioFormat format) 60135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 60235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (format == null) { 60335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Illegal null AudioFormat argument"); 60435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 60535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi // keep reference, we only copy the data when building 60635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mFormat = format; 60735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 60835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 60935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 61035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 61135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the total size (in bytes) of the buffer where audio data is read from for playback. 61235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * If using the {@link AudioTrack} in streaming mode 61335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * (see {@link AudioTrack#MODE_STREAM}, you can write data into this buffer in smaller 61435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * chunks than this size. See {@link #getMinBufferSize(int, int, int)} to determine 61535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * the minimum required buffer size for the successful creation of an AudioTrack instance 61635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * in streaming mode. Using values smaller than <code>getMinBufferSize()</code> will result 61735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * in an exception when trying to build the <code>AudioTrack</code>. 61835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <br>If using the <code>AudioTrack</code> in static mode (see 61935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioTrack#MODE_STATIC}), this is the maximum size of the sound that will be 62035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * played by this instance. 62135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param bufferSizeInBytes 62235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 62335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 62435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 62535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setBufferSizeInBytes(int bufferSizeInBytes) 62635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 62735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (bufferSizeInBytes <= 0) { 62835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Invalid buffer size " + bufferSizeInBytes); 62935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 63035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mBufferSizeInBytes = bufferSizeInBytes; 63135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 63235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 63335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 63435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 63535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the mode under which buffers of audio data are transferred from the 63635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioTrack} to the framework. 63735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param mode one of {@link AudioTrack#MODE_STREAM}, {@link AudioTrack#MODE_STATIC}. 63835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 63935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 64035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 64135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setTransferMode(@TransferMode int mode) 64235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 64335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi switch(mode) { 64435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi case MODE_STREAM: 64535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi case MODE_STATIC: 64635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mMode = mode; 64735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi break; 64835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi default: 64935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Invalid transfer mode " + mode); 65035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 65135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 65235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 65335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 65435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 65535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Sets the session ID the {@link AudioTrack} will be attached to. 65635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @param sessionId a strictly positive ID number retrieved from another 65735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * <code>AudioTrack</code> via {@link AudioTrack#getAudioSessionId()} or allocated by 65835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioManager} via {@link AudioManager#generateAudioSessionId()}, or 65935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * {@link AudioManager#AUDIO_SESSION_ID_GENERATE}. 66035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @return the same Builder instance. 66135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws IllegalArgumentException 66235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 66335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull Builder setSessionId(int sessionId) 66435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throws IllegalArgumentException { 66535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if ((sessionId != AudioManager.AUDIO_SESSION_ID_GENERATE) && (sessionId < 1)) { 66635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new IllegalArgumentException("Invalid audio session ID " + sessionId); 66735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 66835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mSessionId = sessionId; 66935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi return this; 67035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 67135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 67235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi /** 67335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * Builds an {@link AudioTrack} instance initialized with all the parameters set 67435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * on this <code>Builder</code>. 6752d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung * @return a new successfully initialized {@link AudioTrack} instance. 67635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi * @throws UnsupportedOperationException if the parameters set on the <code>Builder</code> 6772d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung * were incompatible, or if they are not supported by the device, 6782d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung * or if the device was not available. 67935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi */ 68035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi public @NonNull AudioTrack build() throws UnsupportedOperationException { 68135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (mAttributes == null) { 68235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mAttributes = new AudioAttributes.Builder() 68335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setUsage(AudioAttributes.USAGE_MEDIA) 68435ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .build(); 68535ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 68635ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi if (mFormat == null) { 68735ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi mFormat = new AudioFormat.Builder() 68835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setChannelMask(AudioFormat.CHANNEL_OUT_STEREO) 68935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setSampleRate(AudioSystem.getPrimaryOutputSamplingRate()) 69035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .setEncoding(AudioFormat.ENCODING_DEFAULT) 69135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi .build(); 69235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 69335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi try { 6944bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung // If the buffer size is not specified in streaming mode, 6954bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung // use a single frame for the buffer size and let the 6964bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung // native code figure out the minimum buffer size. 6974bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung if (mMode == MODE_STREAM && mBufferSizeInBytes == 0) { 6984bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung mBufferSizeInBytes = mFormat.getChannelCount() 6994bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * mFormat.getBytesPerSample(mFormat.getEncoding()); 7004bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung } 7012d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung final AudioTrack track = new AudioTrack( 7022d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung mAttributes, mFormat, mBufferSizeInBytes, mMode, mSessionId); 7032d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung if (track.getState() == STATE_UNINITIALIZED) { 7042d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung // release is not necessary 7052d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung throw new UnsupportedOperationException("Cannot create AudioTrack"); 7062d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung } 7072d2d89363f0b794cbb63f389584fa4c5557ff51aAndy Hung return track; 70835ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } catch (IllegalArgumentException e) { 70935ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi throw new UnsupportedOperationException(e.getMessage()); 71035ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 71135ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 71235ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi } 71335ba5ab4503f4818f0dd131ad1d2bf91f7397cadJean-Michel Trivi 714340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten // mask of all the positional channels supported, however the allowed combinations 715340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten // are further restricted by the matching left/right rule and CHANNEL_COUNT_MAX 7161b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi private static final int SUPPORTED_OUT_CHANNELS = 7171b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | 7181b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_RIGHT | 7191b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_CENTER | 7201b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_LOW_FREQUENCY | 7211b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | 7221b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_RIGHT | 723ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_BACK_CENTER | 724ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_SIDE_LEFT | 725ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_SIDE_RIGHT; 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Convenience method for the constructor's parameter checks. 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // This is where constructor IllegalArgumentException-s are thrown 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postconditions: 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 7319ea5e5564812bb88e62d0c4fae8f1d40d8a6e7e0Glenn Kasten // mChannelMask is valid 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mSampleRate is valid 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mDataLoadMode is valid 735a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung private void audioParamCheck(int sampleRateInHz, int channelConfig, int channelIndexMask, 736a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int audioFormat, int mode) { 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 7385c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 7399e4a66d69673adcf5f32e4b121809322d9ffd97cAndy Hung if (sampleRateInHz < SAMPLE_RATE_HZ_MIN || sampleRateInHz > SAMPLE_RATE_HZ_MAX) { 740f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException(sampleRateInHz 741f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten + "Hz is not a supported sample rate."); 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 743896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mSampleRate = sampleRateInHz; 7449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // channel config 7473026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent mChannelConfiguration = channelConfig; 7483026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (channelConfig) { 7503026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_OUT_DEFAULT: //AudioFormat.CHANNEL_CONFIGURATION_DEFAULT 751a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 7523026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 1; 7549ea5e5564812bb88e62d0c4fae8f1d40d8a6e7e0Glenn Kasten mChannelMask = AudioFormat.CHANNEL_OUT_MONO; 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 756a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 7573026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mChannelCount = 2; 7599ea5e5564812bb88e62d0c4fae8f1d40d8a6e7e0Glenn Kasten mChannelMask = AudioFormat.CHANNEL_OUT_STEREO; 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 762a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (channelConfig == AudioFormat.CHANNEL_INVALID && channelIndexMask != 0) { 763a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung mChannelCount = 0; 764a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung break; // channel index configuration only 765a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 766d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if (!isMultichannelConfigSupported(channelConfig)) { 7671b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi // input channel configuration features unsupported channels 768f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Unsupported channel configuration."); 7691b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 7709ea5e5564812bb88e62d0c4fae8f1d40d8a6e7e0Glenn Kasten mChannelMask = channelConfig; 7718528ed43b41ff02535675c5da7425bef5195e73bAndy Hung mChannelCount = AudioFormat.channelCountFromOutChannelMask(channelConfig); 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 773a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung // check the channel index configuration (if present) 774a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung mChannelIndexMask = channelIndexMask; 775a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (mChannelIndexMask != 0) { 776a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung // restrictive: indexMask could allow up to AUDIO_CHANNEL_BITS_LOG2 777a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung final int indexMask = (1 << CHANNEL_COUNT_MAX) - 1; 778a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if ((channelIndexMask & ~indexMask) != 0) { 779a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung throw new IllegalArgumentException("Unsupported channel index configuration " 780a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung + channelIndexMask); 781a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 782a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung int channelIndexCount = Integer.bitCount(channelIndexMask); 783a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (mChannelCount == 0) { 784a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung mChannelCount = channelIndexCount; 785a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } else if (mChannelCount != channelIndexCount) { 786a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung throw new IllegalArgumentException("Channel count must match"); 787a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 788a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung } 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio format 792ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (audioFormat == AudioFormat.ENCODING_DEFAULT) { 793ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent audioFormat = AudioFormat.ENCODING_PCM_16BIT; 794ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent } 795ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent 796cae346633321e237f824f3ca10d7e6fff2307b2fEric Laurent if (!AudioFormat.isPublicEncoding(audioFormat)) { 797ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent throw new IllegalArgumentException("Unsupported audio encoding."); 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 799ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent mAudioFormat = audioFormat; 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------- 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // audio load mode 803ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (((mode != MODE_STREAM) && (mode != MODE_STATIC)) || 804ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent ((mode != MODE_STREAM) && !AudioFormat.isEncodingLinearPcm(mAudioFormat))) { 805f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid mode."); 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 807896a7f5fee46c24d31e9403abdf5813e4bb84ca5Glenn Kasten mDataLoadMode = mode; 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 810d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi /** 811d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * Convenience method to check that the channel configuration (a.k.a channel mask) is supported 812d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @param channelConfig the mask to validate 813d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi * @return false if the AudioTrack can't be used with such a mask 814d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi */ 815d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi private static boolean isMultichannelConfigSupported(int channelConfig) { 816d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported channels 817d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & SUPPORTED_OUT_CHANNELS) != channelConfig) { 8181f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Channel configuration features unsupported channels"); 819d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 820d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 8218528ed43b41ff02535675c5da7425bef5195e73bAndy Hung final int channelCount = AudioFormat.channelCountFromOutChannelMask(channelConfig); 822ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung if (channelCount > CHANNEL_COUNT_MAX) { 823ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung loge("Channel configuration contains too many channels " + 824ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung channelCount + ">" + CHANNEL_COUNT_MAX); 825ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung return false; 826ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung } 827d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // check for unsupported multichannel combinations: 828d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - FL/FR must be present 829d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi // - L/R channels must be paired (e.g. no single L channel) 830d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int frontPair = 831d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_FRONT_LEFT | AudioFormat.CHANNEL_OUT_FRONT_RIGHT; 832d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & frontPair) != frontPair) { 8331f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Front channels must be present in multichannel configurations"); 834d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 835d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 836d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi final int backPair = 837d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi AudioFormat.CHANNEL_OUT_BACK_LEFT | AudioFormat.CHANNEL_OUT_BACK_RIGHT; 838d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != 0) { 839d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi if ((channelConfig & backPair) != backPair) { 8401f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Rear channels can't be used independently"); 841d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return false; 842d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 843d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 844ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung final int sidePair = 845ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung AudioFormat.CHANNEL_OUT_SIDE_LEFT | AudioFormat.CHANNEL_OUT_SIDE_RIGHT; 846ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung if ((channelConfig & sidePair) != 0 847ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung && (channelConfig & sidePair) != sidePair) { 848ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung loge("Side channels can't be used independently"); 849ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung return false; 850ad720aeea741d9058a7b4d326c9ab1b3ebcd7c62Andy Hung } 851d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi return true; 852d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi } 853d9e587137b926a56e6e339f11da6a91624df515aJean-Michel Trivi 8549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 855e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten // Convenience method for the constructor's audio buffer size check. 8569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // preconditions: 8579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mChannelCount is valid 8589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mAudioFormat is valid 8599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // postcondition: 8609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // mNativeBufferSizeInBytes is valid (multiple of frame size, positive) 8619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void audioBuffSizeCheck(int audioBufferSize) { 8629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NB: this section is only valid with PCM data. 8639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // To update when supporting compressed formats 864ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent int frameSizeInBytes; 865ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent if (AudioFormat.isEncodingLinearPcm(mAudioFormat)) { 866340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten frameSizeInBytes = mChannelCount * AudioFormat.getBytesPerSample(mAudioFormat); 867ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent } else { 868ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent frameSizeInBytes = 1; 869ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent } 8709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((audioBufferSize % frameSizeInBytes != 0) || (audioBufferSize < 1)) { 871f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalArgumentException("Invalid audio buffer size."); 8729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNativeBufferSizeInBytes = audioBufferSize; 875e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten mNativeBufferSizeInFrames = audioBufferSize / frameSizeInBytes; 8769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 8809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Releases the native AudioTrack resources. 8819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 8829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void release() { 8839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // even though native_release() stops the native AudioTrack, we need to stop 8849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // AudioTrack subclasses too. 8859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stop(); 887fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } catch(IllegalStateException ise) { 8889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // don't raise an exception, we're releasing the resources. 8899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_release(); 8919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_UNINITIALIZED; 8929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 8959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void finalize() { 8969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_finalize(); 8979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 9009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Getters 9019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 9029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 90378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Returns the minimum gain value, which is the constant 0.0. 90478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Gain values less than 0.0 will be clamped to 0.0. 90578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 90678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @return the minimum value, which is the constant 0.0. 9079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMinVolume() { 90978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return GAIN_MIN; 9109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 91378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Returns the maximum gain value, which is greater than or equal to 1.0. 91478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Gain values greater than the maximum will be clamped to the maximum. 91578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a gain. 91678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * expressed as a linear multiplier on sample values, where a maximum value of 1.0 91778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * corresponds to a gain of 0 dB (sample values left unmodified). 91878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @return the maximum value, which is greater than or equal to 1.0. 9199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public float getMaxVolume() { 92178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return GAIN_MAX; 9229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured audio data sample rate in Hz 9269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getSampleRate() { 9289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mSampleRate; 9299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 930fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 9319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 932263b4c97823295c41900210515d0c769a236190cAndy Hung * Returns the current playback sample rate rate in Hz. 9339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackRate() { 9359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_playback_rate(); 9369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9395f68c7a3f8400bcef233bf02d9a722f6d21f5c34Glenn Kasten * Returns the current playback parameters. 9405f68c7a3f8400bcef233bf02d9a722f6d21f5c34Glenn Kasten * See {@link #setPlaybackParams(PlaybackParams)} to set playback parameters 9412d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * @return current {@link PlaybackParams}. 942263b4c97823295c41900210515d0c769a236190cAndy Hung * @throws IllegalStateException if track is not initialized. 943263b4c97823295c41900210515d0c769a236190cAndy Hung */ 9442d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia public @NonNull PlaybackParams getPlaybackParams() { 9452d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia return native_get_playback_params(); 946263b4c97823295c41900210515d0c769a236190cAndy Hung } 947263b4c97823295c41900210515d0c769a236190cAndy Hung 948263b4c97823295c41900210515d0c769a236190cAndy Hung /** 949463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * Returns the configured audio data encoding. See {@link AudioFormat#ENCODING_PCM_8BIT}, 950463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * {@link AudioFormat#ENCODING_PCM_16BIT}, and {@link AudioFormat#ENCODING_PCM_FLOAT}. 9519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getAudioFormat() { 9539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mAudioFormat; 9549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 9579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the type of audio stream this AudioTrack is configured for. 9589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compare the result against {@link AudioManager#STREAM_VOICE_CALL}, 9599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link AudioManager#STREAM_SYSTEM}, {@link AudioManager#STREAM_RING}, 9605c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * {@link AudioManager#STREAM_MUSIC}, {@link AudioManager#STREAM_ALARM}, 961b282e08ab641d4fc74d0324b7a0ce30926638dd5Glenn Kasten * {@link AudioManager#STREAM_NOTIFICATION}, or {@link AudioManager#STREAM_DTMF}. 9629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getStreamType() { 9649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mStreamType; 9659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 968a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * Returns the configured channel position mask. 969463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * <p> For example, refer to {@link AudioFormat#CHANNEL_OUT_MONO}, 970a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung * {@link AudioFormat#CHANNEL_OUT_STEREO}, {@link AudioFormat#CHANNEL_OUT_5POINT1}. 971463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * This method may return {@link AudioFormat#CHANNEL_INVALID} if 972340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * a channel index mask was used. Consider 973463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * {@link #getFormat()} instead, to obtain an {@link AudioFormat}, 974463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * which contains both the channel position mask and the channel index mask. 9759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 9769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelConfiguration() { 9779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelConfiguration; 9789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 9799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 9809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 981463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * Returns the configured <code>AudioTrack</code> format. 982463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * @return an {@link AudioFormat} containing the 983463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung * <code>AudioTrack</code> parameters at the time of configuration. 984463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung */ 985463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung public @NonNull AudioFormat getFormat() { 986463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung AudioFormat.Builder builder = new AudioFormat.Builder() 987463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung .setSampleRate(mSampleRate) 988463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung .setEncoding(mAudioFormat); 989463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung if (mChannelConfiguration != AudioFormat.CHANNEL_INVALID) { 990463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung builder.setChannelMask(mChannelConfiguration); 991463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung } 992463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung if (mChannelIndexMask != AudioFormat.CHANNEL_INVALID /* 0 */) { 993463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung builder.setChannelIndexMask(mChannelIndexMask); 994463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung } 995463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung return builder.build(); 996463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung } 997463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung 998463a8c7743c5187827a8ac56b7767b50ab491ca8Andy Hung /** 9999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the configured number of channels. 10009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getChannelCount() { 10029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mChannelCount; 10039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the state of the AudioTrack instance. This is useful after the 10079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * AudioTrack instance has been created to check if it was initialized 1008e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * properly. This ensures that the appropriate resources have been acquired. 1009340a6d09bdba7d4d99cef52a83a90fb96842c58aGlenn Kasten * @see #STATE_UNINITIALIZED 1010ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_INITIALIZED 1011ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @see #STATE_NO_STATIC_DATA 10129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getState() { 10149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mState; 10159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 10189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the playback state of the AudioTrack instance. 10199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_STOPPED 10209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PAUSED 10219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @see #PLAYSTATE_PLAYING 10229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlayState() { 102406e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath synchronized (mPlayStateLock) { 102506e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath return mPlayState; 102606e0333c7eb50533cc6e0f7b61812d2840844296Narayan Kamath } 10279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1030e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * Returns the frame count of the native <code>AudioTrack</code> buffer. 10314bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STATIC}, 10324bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * it is equal to the specified bufferSizeInBytes on construction, converted to frame units. 10334bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * A static track's native frame count will not change. 10344bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * <p> If the track's creation mode is {@link #MODE_STREAM}, 10354bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * it is greater than or equal to the specified bufferSizeInBytes converted to frame units. 10364bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * For streaming tracks, this value may be rounded up to a larger value if needed by 10374bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * the target output sink, and 10384bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * if the track is subsequently routed to a different output sink, the native 10394bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * frame count may enlarge to accommodate. 1040e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * <p> If the <code>AudioTrack</code> encoding indicates compressed data, 1041e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * e.g. {@link AudioFormat#ENCODING_AC3}, then the frame count returned is 1042e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * the size of the native <code>AudioTrack</code> buffer in bytes. 1043e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * <p> See also {@link AudioManager#getProperty(String)} for key 104455a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * {@link AudioManager#PROPERTY_OUTPUT_FRAMES_PER_BUFFER}. 1045e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * @return current size in frames of the <code>AudioTrack</code> buffer. 10464bd513e6ed168811c97dbc83cd5a7c7cc43caffeAndy Hung * @throws IllegalStateException 10479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1048e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung public int getBufferSizeInFrames() { 1049e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung return native_get_native_frame_count(); 1050e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung } 1051e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung 1052e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung /** 1053e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * Returns the frame count of the native <code>AudioTrack</code> buffer. 1054e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * @return current size in frames of the <code>AudioTrack</code> buffer. 1055e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * @throws IllegalStateException 1056e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * @deprecated Use the identical public method {@link #getBufferSizeInFrames()} instead. 1057e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung */ 1058e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung @Deprecated 1059e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung protected int getNativeFrameCount() { 10609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_native_frame_count(); 10619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1064ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns marker position expressed in frames. 1065e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @return marker position in wrapping frame units similar to {@link #getPlaybackHeadPosition}, 1066e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or zero if marker is disabled. 10679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getNotificationMarkerPosition() { 10699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_marker_pos(); 10709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1073ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Returns the notification update period expressed in frames. 1074e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero means that no position update notifications are being delivered. 10759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPositionNotificationPeriod() { 10779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_pos_update_period(); 10789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1081e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the playback head position expressed in frames. 1082e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Though the "int" type is signed 32-bits, the value should be reinterpreted as if it is 1083e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * unsigned 32-bits. That is, the next position after 0x7FFFFFFF is (int) 0x80000000. 1084e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * This is a continuously advancing counter. It will wrap (overflow) periodically, 1085e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * for example approximately once every 27:03:11 hours:minutes:seconds at 44.1 kHz. 1086ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * It is reset to zero by {@link #flush()}, {@link #reloadStaticData()}, and {@link #stop()}. 1087ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If the track's creation mode is {@link #MODE_STATIC}, the return value indicates 1088ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the total number of frames played since reset, 1089ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <i>not</i> the current offset within the buffer. 10909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 10919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int getPlaybackHeadPosition() { 10929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_position(); 10939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 10949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 10959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 109661dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * Returns this track's estimated latency in milliseconds. This includes the latency due 109761dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * to AudioTrack buffer size, AudioMixer (if any) and audio hardware driver. 109861dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * 109961dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * DO NOT UNHIDE. The existing approach for doing A/V sync has too many problems. We need 110061dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * a better solution. 110161dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman * @hide 110261dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman */ 110361dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman public int getLatency() { 110461dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman return native_get_latency(); 110561dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman } 110661dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 110761dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman /** 1108e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Returns the output sample rate in Hz for the specified stream type. 11099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getNativeOutputSampleRate(int streamType) { 11119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_get_output_sample_rate(streamType); 11129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1113fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 11159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Returns the minimum buffer size required for the successful creation of an AudioTrack 1116ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * object to be created in the {@link #MODE_STREAM} mode. Note that this size doesn't 1117ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * guarantee a smooth playback under load, and higher values should be chosen according to 1118fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * the expected frequency at which the buffer will be refilled with additional data to play. 11198d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * For example, if you intend to dynamically set the source sample rate of an AudioTrack 11208d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * to a higher value than the initial source sample rate, be sure to configure the buffer size 11218d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * based on the highest planned sample rate. 11228d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * @param sampleRateInHz the source sample rate expressed in Hz. 1123fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param channelConfig describes the configuration of the audio channels. 1124a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * See {@link AudioFormat#CHANNEL_OUT_MONO} and 1125a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent * {@link AudioFormat#CHANNEL_OUT_STEREO} 1126fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * @param audioFormat the format in which the audio data is represented. 1127fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten * See {@link AudioFormat#ENCODING_PCM_16BIT} and 11287d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * {@link AudioFormat#ENCODING_PCM_8BIT}, 11297d60bcd2d950e3571c00ce9f1c492c6bd58334c9Glenn Kasten * and {@link AudioFormat#ENCODING_PCM_FLOAT}. 11309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return {@link #ERROR_BAD_VALUE} if an invalid parameter was passed, 1131e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or {@link #ERROR} if unable to query for output properties, 1132ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * or the minimum buffer size expressed in bytes. 11339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 11349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static public int getMinBufferSize(int sampleRateInHz, int channelConfig, int audioFormat) { 11359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int channelCount = 0; 11369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch(channelConfig) { 1137a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_MONO: 11383026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_MONO: 11399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 1; 11409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 1141a553c25b33c99b345cf1c8688f8df0ed8df14e5aEric Laurent case AudioFormat.CHANNEL_OUT_STEREO: 11423026a023b8979b7ddcb3fe97bbc45531c89fda92Eric Laurent case AudioFormat.CHANNEL_CONFIGURATION_STEREO: 11439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project channelCount = 2; 11449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project break; 11459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project default: 1146a9470c19a9dfe362a201c569f14b669b7aa69ee4Andy Hung if (!isMultichannelConfigSupported(channelConfig)) { 11471b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi loge("getMinBufferSize(): Invalid channel configuration."); 1148df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 11491b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } else { 11508528ed43b41ff02535675c5da7425bef5195e73bAndy Hung channelCount = AudioFormat.channelCountFromOutChannelMask(channelConfig); 11511b8f499a14a4340d3422d95c7f6fdc8c0c72b3a4Jean-Michel Trivi } 11529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1153fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1154cae346633321e237f824f3ca10d7e6fff2307b2fEric Laurent if (!AudioFormat.isPublicEncoding(audioFormat)) { 11559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): Invalid audio format."); 1156df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 11579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1158fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11595c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten // sample rate, note these values are subject to change 1160ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten if ( (sampleRateInHz < SAMPLE_RATE_HZ_MIN) || (sampleRateInHz > SAMPLE_RATE_HZ_MAX) ) { 1161ad67c9546494a7c4d9336b57889a7c19a7dbb945Glenn Kasten loge("getMinBufferSize(): " + sampleRateInHz + " Hz is not a supported sample rate."); 1162df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR_BAD_VALUE; 11639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1164fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 11659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int size = native_get_min_buff_size(sampleRateInHz, channelCount, audioFormat); 1166a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (size <= 0) { 11679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project loge("getMinBufferSize(): error querying hardware"); 1168df3cb5279857cac41909643c6703e8fc1621fad1Glenn Kasten return ERROR; 11699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project else { 11719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return size; 11729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 11749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1175619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent /** 1176619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * Returns the audio session ID. 1177619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * 1178619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent * @return the ID of the audio session this AudioTrack belongs to. 1179619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent */ 1180619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent public int getAudioSessionId() { 1181619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent return mSessionId; 1182619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent } 11839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1184948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten /** 1185948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * Poll for a timestamp on demand. 1186486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * <p> 1187486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * If you need to track timestamps during initial warmup or after a routing or mode change, 118800908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * you should request a new timestamp periodically until the reported timestamps 118900908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * show that the frame position is advancing, or until it becomes clear that 119000908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * timestamps are unavailable for this route. 119100908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * <p> 119200908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * After the clock is advancing at a stable rate, 119300908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * query for a new timestamp approximately once every 10 seconds to once per minute. 1194486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * Calling this method more often is inefficient. 1195486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * It is also counter-productive to call this method more often than recommended, 1196486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * because the short-term differences between successive timestamp reports are not meaningful. 1197486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * If you need a high-resolution mapping between frame position and presentation time, 1198948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * consider implementing that at application level, based on low-resolution timestamps. 1199486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten * <p> 1200948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * The audio data at the returned position may either already have been 1201948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * presented, or may have not yet been presented but is committed to be presented. 1202948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * It is not possible to request the time corresponding to a particular position, 1203948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * or to request the (fractional) position corresponding to a particular time. 1204948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * If you need such features, consider implementing them at application level. 1205948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * 1206948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * @param timestamp a reference to a non-null AudioTimestamp instance allocated 1207596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * and owned by caller. 1208596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * @return true if a timestamp is available, or false if no timestamp is available. 1209596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten * If a timestamp if available, 1210948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * the AudioTimestamp instance is filled in with a position in frame units, together 1211948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * with the estimated time when that frame was presented or is committed to 1212948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * be presented. 1213948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten * In the case that no timestamp is available, any supplied instance is left unaltered. 1214c52f4e25e21719d5d637a588e3200be941b9fe4dGlenn Kasten * A timestamp may be temporarily unavailable while the audio clock is stabilizing, 1215c52f4e25e21719d5d637a588e3200be941b9fe4dGlenn Kasten * or during and immediately after a route change. 121600908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * A timestamp is permanently unavailable for a given route if the route does not support 121700908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * timestamps. In this case, the approximate frame position can be obtained 121800908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * using {@link #getPlaybackHeadPosition}. 121900908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * However, it may be useful to continue to query for 122000908b6c6964346af4d2512ba161a109912d97b8Glenn Kasten * timestamps occasionally, to recover after a route change. 1221948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten */ 1222486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten // Add this text when the "on new timestamp" API is added: 1223486918b41584cd2589c46c5217b3fba1e7d18874Glenn Kasten // Use if you need to get the most recent timestamp outside of the event callback handler. 1224596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten public boolean getTimestamp(AudioTimestamp timestamp) 1225948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten { 1226596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (timestamp == null) { 1227596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten throw new IllegalArgumentException(); 1228596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten } 1229948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // It's unfortunate, but we have to either create garbage every time or use synchronized 1230948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten long[] longArray = new long[2]; 1231948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten int ret = native_get_timestamp(longArray); 1232596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten if (ret != SUCCESS) { 1233596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return false; 1234948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 1235596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.framePosition = longArray[0]; 1236596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten timestamp.nanoTime = longArray[1]; 1237596fb8e7969cafdf7f25dfdc97372be4c0950cc3Glenn Kasten return true; 1238948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten } 1239948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 12401b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent /** 12411b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * Poll for a timestamp on demand. 12421b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * <p> 12431b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * Same as {@link #getTimestamp(AudioTimestamp)} but with a more useful return code. 12441b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * 12451b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * @param timestamp a reference to a non-null AudioTimestamp instance allocated 12461b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * and owned by caller. 12471b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * @return {@link #SUCCESS} if a timestamp is available 12481b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * {@link #ERROR_WOULD_BLOCK} if called in STOPPED or FLUSHED state, or if called 12491b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * immediately after start/ACTIVE, when the number of frames consumed is less than the 12501b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * overall hardware latency to physical output. In WOULD_BLOCK cases, one might poll 12511b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * again, or use {@link #getPlaybackHeadPosition}, or use 0 position and current time 12521b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * for the timestamp. 12531b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * {@link #ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 12541b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * needs to be recreated. 12551b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * {@link #ERROR_INVALID_OPERATION} if current route does not support 12561b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * timestamps. In this case, the approximate frame position can be obtained 12571b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * using {@link #getPlaybackHeadPosition}. 12581b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * 12591b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * The AudioTimestamp instance is filled in with a position in frame units, together 12601b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * with the estimated time when that frame was presented or is committed to 12611b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * be presented. 12621b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent * @hide 12631b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent */ 12641b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent // Add this text when the "on new timestamp" API is added: 12651b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent // Use if you need to get the most recent timestamp outside of the event callback handler. 12661b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent public int getTimestampWithStatus(AudioTimestamp timestamp) 12671b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent { 12681b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent if (timestamp == null) { 12691b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent throw new IllegalArgumentException(); 12701b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent } 12711b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent // It's unfortunate, but we have to either create garbage every time or use synchronized 12721b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent long[] longArray = new long[2]; 12731b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent int ret = native_get_timestamp(longArray); 12741b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent timestamp.framePosition = longArray[0]; 12751b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent timestamp.nanoTime = longArray[1]; 12761b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent return ret; 12771b23bcd2169849e71eb05ef998d60507425a4a20Eric Laurent } 1278948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 12799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------------------------------------------------------------- 12809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Initialization / configuration 12819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 12829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 12834df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Sets the listener the AudioTrack notifies when a previously set marker is reached or 12844df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * for each periodic playback head position update. 1285ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Notifications will be received in the same thread as the one in which the AudioTrack 1286ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * instance was created. 12879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param listener 12889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 12894df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener) { 12904df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project setPlaybackPositionUpdateListener(listener, null); 12919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1292fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1293ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi /** 1294ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the listener the AudioTrack notifies when a previously set marker is reached or 1295ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * for each periodic playback head position update. 1296ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Use this method to receive AudioTrack events in the Handler associated with another 1297ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * thread than the one in which you created the AudioTrack instance. 1298ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param listener 1299ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param handler the Handler that will receive the event notification messages. 1300ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi */ 1301fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten public void setPlaybackPositionUpdateListener(OnPlaybackPositionUpdateListener listener, 13024df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler handler) { 13034df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 1304d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mEventHandlerDelegate = new NativePositionEventHandlerDelegate(this, listener, handler); 130595bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } else { 130695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten mEventHandlerDelegate = null; 13079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 131178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten private static float clampGainOrLevel(float gainOrLevel) { 131278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten if (Float.isNaN(gainOrLevel)) { 131378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten throw new IllegalArgumentException(); 131478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 131578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten if (gainOrLevel < GAIN_MIN) { 131678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten gainOrLevel = GAIN_MIN; 131778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } else if (gainOrLevel > GAIN_MAX) { 131878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten gainOrLevel = GAIN_MAX; 131978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 132078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return gainOrLevel; 132178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten } 132278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten 13234df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project 13249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 132578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Sets the specified left and right output gain values on the AudioTrack. 132678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Gain values are clamped to the closed interval [0.0, max] where 132778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 132878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in zero gain (silence), and 132978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * a value of 1.0 means unity gain (signal unchanged). 133078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * The default value is 1.0 meaning unity gain. 133178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 133278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param leftGain output gain for the left channel. 133378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param rightGain output gain for the right channel 13349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, 13359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 133678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @deprecated Applications should use {@link #setVolume} instead, as it 133778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * more gracefully scales down to mono, and up to multi-channel content beyond stereo. 13389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 133978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten public int setStereoVolume(float leftGain, float rightGain) { 13401af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 13411af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return SUCCESS; 13421af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 13433b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 13449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 13459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 134778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten leftGain = clampGainOrLevel(leftGain); 134878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten rightGain = clampGainOrLevel(rightGain); 13499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 135078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten native_setVolume(leftGain, rightGain); 13519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return SUCCESS; 13539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 13569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 135778cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * Sets the specified output gain value on all channels of this track. 135878cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Gain values are clamped to the closed interval [0.0, max] where 135978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 136078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in zero gain (silence), and 136178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * a value of 1.0 means unity gain (signal unchanged). 136278cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * The default value is 1.0 meaning unity gain. 136378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>This API is preferred over {@link #setStereoVolume}, as it 136478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * more gracefully scales down to mono, and up to multi-channel content beyond stereo. 136578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>The word "volume" in the API name is historical; this is actually a linear gain. 136678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param gain output gain for all channels. 13673e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * @return error code or success, see {@link #SUCCESS}, 13683e21cc8140e42bdcd924590e5e12446b6c55ad2aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 1369068225de0197df07a0247b2877666ea91c22c992Glenn Kasten */ 137078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten public int setVolume(float gain) { 137178cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten return setStereoVolume(gain, gain); 1372068225de0197df07a0247b2877666ea91c22c992Glenn Kasten } 1373068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 1374068225de0197df07a0247b2877666ea91c22c992Glenn Kasten 1375068225de0197df07a0247b2877666ea91c22c992Glenn Kasten /** 13769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the playback sample rate for this track. This sets the sampling rate at which 13778d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * the audio data will be consumed and played back 13788d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * (as set by the sampleRateInHz parameter in the 13798d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * {@link #AudioTrack(int, int, int, int, int, int)} constructor), 13808d7fa137466c833ed422053204fb4c506b7bb209Glenn Kasten * not the original sampling rate of the 1381e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * content. For example, setting it to half the sample rate of the content will cause the 1382e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * playback to last twice as long, but will also result in a pitch shift down by one octave. 1383e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The valid sample rate range is from 1 Hz to twice the value returned by 138488e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent * {@link #getNativeOutputSampleRate(int)}. 13852d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * Use {@link #setPlaybackParams(PlaybackParams)} for speed control. 1386e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * <p> This method may also be used to repurpose an existing <code>AudioTrack</code> 1387e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * for playback of content of differing sample rate, 1388e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * but with identical encoding and channel mask. 1389ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param sampleRateInHz the sample rate expressed in Hz 13909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 13919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 13929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 13939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackRate(int sampleRateInHz) { 1394f19395db6343efdf80d064e0ba7c3b9aa4dbae75Glenn Kasten if (mState != STATE_INITIALIZED) { 13959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 13969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 13979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sampleRateInHz <= 0) { 13989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 13999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 140088e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent return native_set_playback_rate(sampleRateInHz); 14019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14055f68c7a3f8400bcef233bf02d9a722f6d21f5c34Glenn Kasten * Sets the playback parameters. 14065f68c7a3f8400bcef233bf02d9a722f6d21f5c34Glenn Kasten * This method returns failure if it cannot apply the playback parameters. 1407263b4c97823295c41900210515d0c769a236190cAndy Hung * One possible cause is that the parameters for speed or pitch are out of range. 1408263b4c97823295c41900210515d0c769a236190cAndy Hung * Another possible cause is that the <code>AudioTrack</code> is streaming 1409263b4c97823295c41900210515d0c769a236190cAndy Hung * (see {@link #MODE_STREAM}) and the 1410263b4c97823295c41900210515d0c769a236190cAndy Hung * buffer size is too small. For speeds greater than 1.0f, the <code>AudioTrack</code> buffer 1411263b4c97823295c41900210515d0c769a236190cAndy Hung * on configuration must be larger than the speed multiplied by the minimum size 1412263b4c97823295c41900210515d0c769a236190cAndy Hung * {@link #getMinBufferSize(int, int, int)}) to allow proper playback. 14132d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia * @param params see {@link PlaybackParams}. In particular, 1414263b4c97823295c41900210515d0c769a236190cAndy Hung * speed, pitch, and audio mode should be set. 14155f68c7a3f8400bcef233bf02d9a722f6d21f5c34Glenn Kasten * @throws IllegalArgumentException if the parameters are invalid or not accepted. 1416263b4c97823295c41900210515d0c769a236190cAndy Hung * @throws IllegalStateException if track is not initialized. 1417263b4c97823295c41900210515d0c769a236190cAndy Hung */ 14182d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia public void setPlaybackParams(@NonNull PlaybackParams params) { 14192d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia if (params == null) { 14202d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia throw new IllegalArgumentException("params is null"); 1421263b4c97823295c41900210515d0c769a236190cAndy Hung } 14222d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia native_set_playback_params(params); 1423263b4c97823295c41900210515d0c769a236190cAndy Hung } 1424263b4c97823295c41900210515d0c769a236190cAndy Hung 1425263b4c97823295c41900210515d0c769a236190cAndy Hung 1426263b4c97823295c41900210515d0c769a236190cAndy Hung /** 1427e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Sets the position of the notification marker. At most one marker can be active. 1428e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * @param markerInFrames marker position in wrapping frame units similar to 1429e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * {@link #getPlaybackHeadPosition}, or zero to disable the marker. 1430e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * To set a marker at a position which would appear as zero due to wraparound, 1431e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * a workaround is to use a non-zero position near zero, such as -1 or 1. 14329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 14339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 14349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setNotificationMarkerPosition(int markerInFrames) { 14363b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 14379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 14389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_marker_pos(markerInFrames); 14409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1444ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * Sets the period for the periodic notification event. 1445ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param periodInFrames update period expressed in frames. 1446ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Zero period means no position updates. A negative period is not allowed. 14479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_INVALID_OPERATION} 14489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPositionNotificationPeriod(int periodInFrames) { 14503b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 14519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 14529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_pos_update_period(periodInFrames); 14549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1458ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Sets the playback head position within the static buffer. 1459a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * The track must be stopped or paused for the position to be changed, 1460a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 1461ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param positionInFrames playback head position within buffer, expressed in frames. 1462e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 1463e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The position must not be greater than the buffer size in frames, or negative. 1464ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Though this method and {@link #getPlaybackHeadPosition()} have similar names, 1465ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the position values have different meanings. 1466ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <br> 1467ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If looping is currently enabled and the new position is greater than or equal to the 146835e576e79292122fad462ebccd8520822552a6d7Andy Hung * loop end marker, the behavior varies by API level: 14690e3de6cacaffcfeda4d6353be61e2f1f9ed80705Dianne Hackborn * as of {@link android.os.Build.VERSION_CODES#M}, 1470ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the looping is first disabled and then the position is set. 1471ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * For earlier API levels, the behavior is unspecified. 14729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 14739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 14749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setPlaybackHeadPosition(int positionInFrames) { 147678bfa6322bf34e49d5e4426296c701a64f705e49Andy Hung if (mDataLoadMode == MODE_STREAM || mState == STATE_UNINITIALIZED || 1477a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 1478a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ERROR_INVALID_OPERATION; 14799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1480e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (!(0 <= positionInFrames && positionInFrames <= mNativeBufferSizeInFrames)) { 1481e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 1482e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 1483a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return native_set_position(positionInFrames); 14849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 14859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 14869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 14879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the loop points and the loop count. The loop can be infinite. 1488a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * Similarly to setPlaybackHeadPosition, 1489e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * the track must be stopped or paused for the loop points to be changed, 1490a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten * and must use the {@link #MODE_STATIC} mode. 1491ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param startInFrames loop start marker expressed in frames. 1492e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Zero corresponds to start of buffer. 1493e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The start marker must not be greater than or equal to the buffer size in frames, or negative. 1494ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param endInFrames loop end marker expressed in frames. 1495e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The total buffer size in frames corresponds to end of buffer. 1496e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * The end marker must not be greater than the buffer size in frames. 1497e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * For looping, the end marker must not be less than or equal to the start marker, 1498e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * but to disable looping 1499e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * it is permitted for start marker, end marker, and loop count to all be 0. 1500ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If any input parameters are out of range, this method returns {@link #ERROR_BAD_VALUE}. 1501ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If the loop period (endInFrames - startInFrames) is too small for the implementation to 1502ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * support, 1503ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * {@link #ERROR_BAD_VALUE} is returned. 1504ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * The loop range is the interval [startInFrames, endInFrames). 1505ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <br> 15060e3de6cacaffcfeda4d6353be61e2f1f9ed80705Dianne Hackborn * As of {@link android.os.Build.VERSION_CODES#M}, the position is left unchanged, 1507ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * unless it is greater than or equal to the loop end marker, in which case 1508ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * it is forced to the loop start marker. 1509ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * For earlier API levels, the effect on position is unspecified. 1510ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * @param loopCount the number of times the loop is looped; must be greater than or equal to -1. 1511e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * A value of -1 means infinite looping, and 0 disables looping. 1512ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * A value of positive N means to "loop" (go back) N times. For example, 1513ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * a value of one means to play the region two times in total. 15149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 15159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 15169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int setLoopPoints(int startInFrames, int endInFrames, int loopCount) { 151878bfa6322bf34e49d5e4426296c701a64f705e49Andy Hung if (mDataLoadMode == MODE_STREAM || mState == STATE_UNINITIALIZED || 1519a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten getPlayState() == PLAYSTATE_PLAYING) { 15209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 15219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1522e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten if (loopCount == 0) { 1523e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten ; // explicitly allowed as an exception to the loop region range check 1524e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } else if (!(0 <= startInFrames && startInFrames < mNativeBufferSizeInFrames && 1525e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten startInFrames < endInFrames && endInFrames <= mNativeBufferSizeInFrames)) { 1526e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten return ERROR_BAD_VALUE; 1527e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten } 15289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_set_loop(startInFrames, endInFrames, loopCount); 15299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 153255a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * Sets the initialization state of the instance. This method was originally intended to be used 153355a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * in an AudioTrack subclass constructor to set a subclass-specific post-initialization state. 153455a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * However, subclasses of AudioTrack are no longer recommended, so this method is obsolete. 15359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param state the state of the AudioTrack instance 153655a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten * @deprecated Only accessible by subclasses, which are not recommended for AudioTrack. 15379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 153855a3218f242a611afb3569d88970c0c5dbf8ce54Glenn Kasten @Deprecated 15399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void setState(int state) { 15409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = state; 15419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 15459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Transport control methods 15469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 15479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 15489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Starts playing an AudioTrack. 1549659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1550ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * If track's creation mode is {@link #MODE_STATIC}, you must have called one of 1551659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * the write methods ({@link #write(byte[], int, int)}, {@link #write(byte[], int, int, int)}, 1552659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(short[], int, int)}, {@link #write(short[], int, int, int)}, 1553659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #write(float[], int, int, int)}, or {@link #write(ByteBuffer, int, int)}) prior to 1554659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * play(). 1555659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1556659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * If the mode is {@link #MODE_STREAM}, you can optionally prime the data path prior to 1557659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * calling play(), by writing up to <code>bufferSizeInBytes</code> (from constructor). 1558e90a0a88f4eabdc27c3ef033f38c91ea23362a1eAndy Hung * If you don't call write() first, or if you call write() but with an insufficient amount of 1559659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * data, then the track will be in underrun state at play(). In this case, 1560659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * playback will not actually start playing until the data path is filled to a 1561659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * device-specific minimum level. This requirement for the path to be filled 1562659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * to a minimum level is also true when resuming audio playback after calling stop(). 1563659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Similarly the buffer will need to be filled up again after 1564659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * the track underruns due to failure to call write() in a timely manner with sufficient data. 1565659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * For portability, an application should prime the data path to the maximum allowed 1566659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * by writing data until the write() method returns a short transfer count. 1567659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * This allows play() to start immediately, and reduces the chance of underrun. 156888bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 1569659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @throws IllegalStateException if the track isn't properly initialized 15709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 15719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void play() 15729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 15739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1574f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("play() called on uninitialized AudioTrack."); 15759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15761af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 15771af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock setVolume(0); 15781af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 15799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 15809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_start(); 15819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PLAYING; 15829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 15849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 15851af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock private boolean isRestricted() { 1586d3969546a8bc4efe1e5e8a72bee07105055d18c2Jean-Michel Trivi if ((mAttributes.getAllFlags() & AudioAttributes.FLAG_BYPASS_INTERRUPTION_POLICY) != 0) { 1587bbfd31a5d4f126167e20fa8bd256c810cf8c2c85John Spurlock return false; 1588bbfd31a5d4f126167e20fa8bd256c810cf8c2c85John Spurlock } 15891af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock try { 15907b41467704f941b11af6aace3e40993afc7f6c6fJohn Spurlock final int usage = AudioAttributes.usageForLegacyStreamType(mStreamType); 15917b41467704f941b11af6aace3e40993afc7f6c6fJohn Spurlock final int mode = mAppOps.checkAudioOperation(AppOpsManager.OP_PLAY_AUDIO, usage, 15921af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock Process.myUid(), ActivityThread.currentPackageName()); 15931af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return mode != AppOpsManager.MODE_ALLOWED; 15941af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } catch (RemoteException e) { 15951af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return false; 15961af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 15971af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 15981af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock 15999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 16009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Stops playing the audio data. 1601a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * When used on an instance created in {@link #MODE_STREAM} mode, audio will stop playing 1602a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * after the last buffer that was written has been played. For an immediate stop, use 1603a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * {@link #pause()}, followed by {@link #flush()} to discard audio data that hasn't been played 1604a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * back yet. 16059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 16069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void stop() 16089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 16099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1610f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("stop() called on uninitialized AudioTrack."); 16119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // stop playing 16149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 16159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_stop(); 16169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_STOPPED; 1617cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 1618cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 16199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 162388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Pauses the playback of the audio data. Data that has not been played 162488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * back will not be discarded. Subsequent calls to {@link #play} will play 1625a701da8ebabb3d63ac57b7718055698abb21804aJean-Michel Trivi * this data back. See {@link #flush()} to discard this data. 162688bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 16279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @throws IllegalStateException 16289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void pause() 16309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throws IllegalStateException { 16319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState != STATE_INITIALIZED) { 1632f4e58051e22ad4e21c7cd436c37cc5665c194d1cGlenn Kasten throw new IllegalStateException("pause() called on uninitialized AudioTrack."); 16339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("pause()"); 16359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // pause playback 16379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized(mPlayStateLock) { 16389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_pause(); 16399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPlayState = PLAYSTATE_PAUSED; 16409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 16459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Audio data supply 16469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 16479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 164988bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * Flushes the audio data currently queued for playback. Any data that has 16507a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * been written but not yet presented will be discarded. No-op if not stopped or paused, 1651e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or if the track's creation mode is not {@link #MODE_STREAM}. 16527a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * <BR> Note that although data written but not yet presented is discarded, there is no 16537a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * guarantee that all of the buffer space formerly used by that data 16547a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * is available for a subsequent write. 16557a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * For example, a call to {@link #write(byte[], int, int)} with <code>sizeInBytes</code> 16567a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * less than or equal to the total buffer size 16577a121563d5c94ca0b88539afd8a7e86cc9118b60Glenn Kasten * may return a short actual transfer count. 16589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void flush() { 16609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_INITIALIZED) { 16619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // flush the data in native layer 16629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project native_flush(); 1663cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 1664cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 16659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 16689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 16699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1670e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1671e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 16724aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 16734aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_8BIT} to correspond to the data in the array. 1674659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1675659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In streaming mode, the write will normally block until all the data has been enqueued for 1676659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * playback, and will return a full transfer count. However, if the track is stopped or paused 1677659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * on entry, or another thread interrupts the write by calling stop or pause, or an I/O error 1678659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * occurs during the write, then the write may return a short transfer count. 1679659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1680e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 1681659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Note that the actual playback of this data might occur after this function returns. 168288bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 16839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 168488bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * @param offsetInBytes the offset expressed in bytes in audioData where the data to play 1685ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 16869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param sizeInBytes the number of bytes to read in audioData after the offset. 1687659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @return zero or the positive number of bytes that were written, or 1688659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 1689659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * if the track isn't properly initialized, or {@link #ERROR_BAD_VALUE} if 1690ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent * the parameters don't resolve to valid data and indexes, or 1691ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1692ff0d9f098e51c54e1a030ed21fd980680cb7b405Eric Laurent * needs to be recreated. 1693659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The dead object error code is not returned if some data was successfully transferred. 1694659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In this case, the error is returned at the next write(). 1695659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * 1696659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * This is equivalent to {@link #write(byte[], int, int, int)} with <code>writeMode</code> 1697659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * set to {@link #WRITE_BLOCKING}. 16989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 16994aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull byte[] audioData, int offsetInBytes, int sizeInBytes) { 17004aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return write(audioData, offsetInBytes, sizeInBytes, WRITE_BLOCKING); 17014aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 17029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17034aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung /** 17044aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * Writes the audio data to the audio sink for playback (streaming mode), 17054aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * or copies audio data for later playback (static buffer mode). 17064aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 17074aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_8BIT} to correspond to the data in the array. 1708659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1709659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In streaming mode, the blocking behavior depends on the write mode. If the write mode is 1710659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_BLOCKING}, the write will normally block until all the data has been enqueued 1711659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * for playback, and will return a full transfer count. However, if the write mode is 1712659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_NON_BLOCKING}, or the track is stopped or paused on entry, or another thread 1713659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * interrupts the write by calling stop or pause, or an I/O error 1714659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * occurs during the write, then the write may return a short transfer count. 1715659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1716659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0, 1717659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * and the write mode is ignored. 1718659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Note that the actual playback of this data might occur after this function returns. 17194aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * 17204aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param audioData the array that holds the data to play. 17214aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param offsetInBytes the offset expressed in bytes in audioData where the data to play 17224aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * starts. 17234aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param sizeInBytes the number of bytes to read in audioData after the offset. 17244aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 17254aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * effect in static mode. 17264aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 17274aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * to the audio sink. 17284aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 17294aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * queuing as much audio data for playback as possible without blocking. 1730659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @return zero or the positive number of bytes that were written, or 1731659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 1732659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * if the track isn't properly initialized, or {@link #ERROR_BAD_VALUE} if 17334aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * the parameters don't resolve to valid data and indexes, or 17344aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 17354aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * needs to be recreated. 1736659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The dead object error code is not returned if some data was successfully transferred. 1737659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In this case, the error is returned at the next write(). 17384aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung */ 17394aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull byte[] audioData, int offsetInBytes, int sizeInBytes, 17404aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung @WriteMode int writeMode) { 17419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 174254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) { 17439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 17449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17464aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 17474aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 17484aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return ERROR_BAD_VALUE; 17494aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 17504aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung 1751fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInBytes < 0 ) || (sizeInBytes < 0) 1752a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInBytes + sizeInBytes < 0) // detect integer overflow 17539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInBytes + sizeInBytes > audioData.length)) { 17549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 17559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17577ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = native_write_byte(audioData, offsetInBytes, sizeInBytes, mAudioFormat, 17584aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung writeMode == WRITE_BLOCKING); 1759a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1760a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1761a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1762a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1763a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1764a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1765a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1766a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1767a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 17689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 17699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 17709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1771e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 1772e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * or copies audio data for later playback (static buffer mode). 17734aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 17744aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_16BIT} to correspond to the data in the array. 1775659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1776659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In streaming mode, the write will normally block until all the data has been enqueued for 1777659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * playback, and will return a full transfer count. However, if the track is stopped or paused 1778659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * on entry, or another thread interrupts the write by calling stop or pause, or an I/O error 1779659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * occurs during the write, then the write may return a short transfer count. 1780659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1781e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0. 1782659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Note that the actual playback of this data might occur after this function returns. 178388bde0ce3799c47530ea42ae3665bfa12ae38d11Narayan Kamath * 17849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param audioData the array that holds the data to play. 1785ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * @param offsetInShorts the offset expressed in shorts in audioData where the data to play 1786ff14c25339da3f6cd86edd66ef42640e6d0c0787Jean-Michel Trivi * starts. 1787e8c82a37050e568f211d47951480b182a61d42b4Glenn Kasten * @param sizeInShorts the number of shorts to read in audioData after the offset. 1788659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @return zero or the positive number of shorts that were written, or 1789659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 1790659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * if the track isn't properly initialized, or {@link #ERROR_BAD_VALUE} if 1791136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * the parameters don't resolve to valid data and indexes, or 1792136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1793136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * needs to be recreated. 1794659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The dead object error code is not returned if some data was successfully transferred. 1795659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In this case, the error is returned at the next write(). 1796659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * 1797659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * This is equivalent to {@link #write(short[], int, int, int)} with <code>writeMode</code> 1798659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * set to {@link #WRITE_BLOCKING}. 17999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 18004aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull short[] audioData, int offsetInShorts, int sizeInShorts) { 18014aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return write(audioData, offsetInShorts, sizeInShorts, WRITE_BLOCKING); 18024aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 18039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18044aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung /** 18054aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * Writes the audio data to the audio sink for playback (streaming mode), 18064aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * or copies audio data for later playback (static buffer mode). 18074aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 18084aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_16BIT} to correspond to the data in the array. 1809659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1810659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In streaming mode, the blocking behavior depends on the write mode. If the write mode is 1811659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_BLOCKING}, the write will normally block until all the data has been enqueued 1812659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * for playback, and will return a full transfer count. However, if the write mode is 1813659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_NON_BLOCKING}, or the track is stopped or paused on entry, or another thread 1814659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * interrupts the write by calling stop or pause, or an I/O error 1815659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * occurs during the write, then the write may return a short transfer count. 1816659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 18174aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * In static buffer mode, copies the data to the buffer starting at offset 0. 1818659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Note that the actual playback of this data might occur after this function returns. 18194aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * 18204aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param audioData the array that holds the data to play. 18214aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param offsetInShorts the offset expressed in shorts in audioData where the data to play 18224aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * starts. 18234aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param sizeInShorts the number of shorts to read in audioData after the offset. 18244aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 18254aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * effect in static mode. 18264aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 18274aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * to the audio sink. 18284aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 18294aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * queuing as much audio data for playback as possible without blocking. 1830659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @return zero or the positive number of shorts that were written, or 1831659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 1832659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * if the track isn't properly initialized, or {@link #ERROR_BAD_VALUE} if 18334aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * the parameters don't resolve to valid data and indexes, or 18344aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 18354aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * needs to be recreated. 1836659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The dead object error code is not returned if some data was successfully transferred. 1837659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In this case, the error is returned at the next write(). 18384aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung */ 18394aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull short[] audioData, int offsetInShorts, int sizeInShorts, 18404aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung @WriteMode int writeMode) { 1841fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 1842c56b8085919771b6f027dc64ed6a44915e392464Glenn Kasten if (mState == STATE_UNINITIALIZED || mAudioFormat == AudioFormat.ENCODING_PCM_FLOAT) { 18439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 18449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18464aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 18474aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 18484aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung return ERROR_BAD_VALUE; 18494aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung } 18504aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung 1851fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten if ( (audioData == null) || (offsetInShorts < 0 ) || (sizeInShorts < 0) 1852a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten || (offsetInShorts + sizeInShorts < 0) // detect integer overflow 18539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project || (offsetInShorts + sizeInShorts > audioData.length)) { 18549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_BAD_VALUE; 18559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18574aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung int ret = native_write_short(audioData, offsetInShorts, sizeInShorts, mAudioFormat, 18584aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung writeMode == WRITE_BLOCKING); 1859a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1860a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 1861a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 1862a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten && (ret > 0)) { 1863a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten // benign race with respect to other APIs that read mState 1864a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten mState = STATE_INITIALIZED; 1865a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten } 1866a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten 1867a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten return ret; 18689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 18699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 18709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 18717ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * Writes the audio data to the audio sink for playback (streaming mode), 18727ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * or copies audio data for later playback (static buffer mode). 18734aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * The format specified in the AudioTrack constructor should be 18744aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * {@link AudioFormat#ENCODING_PCM_FLOAT} to correspond to the data in the array. 187554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <p> 1876659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In streaming mode, the blocking behavior depends on the write mode. If the write mode is 1877659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_BLOCKING}, the write will normally block until all the data has been enqueued 1878659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * for playback, and will return a full transfer count. However, if the write mode is 1879659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_NON_BLOCKING}, or the track is stopped or paused on entry, or another thread 1880659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * interrupts the write by calling stop or pause, or an I/O error 1881659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * occurs during the write, then the write may return a short transfer count. 188254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * <p> 1883659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0, 1884659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * and the write mode is ignored. 1885659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Note that the actual playback of this data might occur after this function returns. 1886659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * 188754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param audioData the array that holds the data to play. 188854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * The implementation does not clip for sample values within the nominal range 188954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * [-1.0f, 1.0f], provided that all gains in the audio pipeline are 189054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * less than or equal to unity (1.0f), and in the absence of post-processing effects 189154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * that could add energy, such as reverb. For the convenience of applications 189254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * that compute samples using filters with non-unity gain, 189354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * sample values +3 dB beyond the nominal range are permitted. 189454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * However such values may eventually be limited or clipped, depending on various gains 189554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * and later processing in the audio path. Therefore applications are encouraged 189654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * to provide samples values within the nominal range. 189754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param offsetInFloats the offset, expressed as a number of floats, 189854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * in audioData where the data to play starts. 189954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param sizeInFloats the number of floats to read in audioData after the offset. 190054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 190154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * effect in static mode. 19024aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 190354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * to the audio sink. 19044aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung * <br>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 190554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * queuing as much audio data for playback as possible without blocking. 1906659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @return zero or the positive number of floats that were written, or 1907659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #ERROR_INVALID_OPERATION} 1908659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * if the track isn't properly initialized, or {@link #ERROR_BAD_VALUE} if 1909136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * the parameters don't resolve to valid data and indexes, or 1910136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1911136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * needs to be recreated. 1912659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The dead object error code is not returned if some data was successfully transferred. 1913659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In this case, the error is returned at the next write(). 191454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten */ 19154aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull float[] audioData, int offsetInFloats, int sizeInFloats, 191654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten @WriteMode int writeMode) { 191754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 191854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mState == STATE_UNINITIALIZED) { 191954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 192054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_INVALID_OPERATION; 192154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 192254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 192354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if (mAudioFormat != AudioFormat.ENCODING_PCM_FLOAT) { 192454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write(float[] ...) requires format ENCODING_PCM_FLOAT"); 192554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_INVALID_OPERATION; 192654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 192754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 192854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 192954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 193054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_BAD_VALUE; 193154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 193254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 193354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ( (audioData == null) || (offsetInFloats < 0 ) || (sizeInFloats < 0) 193454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten || (offsetInFloats + sizeInFloats < 0) // detect integer overflow 193554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten || (offsetInFloats + sizeInFloats > audioData.length)) { 193654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten Log.e(TAG, "AudioTrack.write() called with invalid array, offset, or size"); 193754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ERROR_BAD_VALUE; 193854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 193954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 194054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten int ret = native_write_float(audioData, offsetInFloats, sizeInFloats, mAudioFormat, 194154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten writeMode == WRITE_BLOCKING); 194254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 194354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten if ((mDataLoadMode == MODE_STATIC) 194454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (mState == STATE_NO_STATIC_DATA) 194554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten && (ret > 0)) { 194654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten // benign race with respect to other APIs that read mState 194754955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten mState = STATE_INITIALIZED; 194854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 194954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 195054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten return ret; 195154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten } 195254955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 195354955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 195454955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten /** 195554955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * Writes the audio data to the audio sink for playback (streaming mode), 195654955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten * or copies audio data for later playback (static buffer mode). 1957659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The audioData in ByteBuffer should match the format specified in the AudioTrack constructor. 1958659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1959659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In streaming mode, the blocking behavior depends on the write mode. If the write mode is 1960659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_BLOCKING}, the write will normally block until all the data has been enqueued 1961659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * for playback, and will return a full transfer count. However, if the write mode is 1962659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * {@link #WRITE_NON_BLOCKING}, or the track is stopped or paused on entry, or another thread 1963659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * interrupts the write by calling stop or pause, or an I/O error 1964659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * occurs during the write, then the write may return a short transfer count. 1965659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * <p> 1966659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In static buffer mode, copies the data to the buffer starting at offset 0, 1967659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * and the write mode is ignored. 1968659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Note that the actual playback of this data might occur after this function returns. 1969659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * 19707ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param audioData the buffer that holds the data to play, starting at the position reported 19717ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * by <code>audioData.position()</code>. 19725d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * <BR>Note that upon return, the buffer position (<code>audioData.position()</code>) will 19735d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * have been advanced to reflect the amount of data that was successfully written to 19745d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * the AudioTrack. 19755d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * @param sizeInBytes number of bytes to write. 19765d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi * <BR>Note this may differ from <code>audioData.remaining()</code>, but cannot exceed it. 19777ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. It has no 19787ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * effect in static mode. 19797ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 19807ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * to the audio sink. 19817ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 19827ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi * queuing as much audio data for playback as possible without blocking. 1983659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @return zero or the positive number of bytes that were written, or 1984136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link #ERROR_BAD_VALUE}, {@link #ERROR_INVALID_OPERATION}, or 1985136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 1986136e006248e6416ee30d7af2e6de102d195b8fb6Jean-Michel Trivi * needs to be recreated. 1987659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The dead object error code is not returned if some data was successfully transferred. 1988659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In this case, the error is returned at the next write(). 19897ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi */ 19904aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung public int write(@NonNull ByteBuffer audioData, int sizeInBytes, 19917ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi @WriteMode int writeMode) { 19927ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 19937ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (mState == STATE_UNINITIALIZED) { 19947ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 19957ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_INVALID_OPERATION; 19967ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 19977ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 19987ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 19997ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 20007ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 20017ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 20027ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 20035d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi if ( (audioData == null) || (sizeInBytes < 0) || (sizeInBytes > audioData.remaining())) { 20045d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi Log.e(TAG, "AudioTrack.write() called with invalid size (" + sizeInBytes + ") value"); 20057ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ERROR_BAD_VALUE; 20067ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 20077ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 20087ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int ret = 0; 20097ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if (audioData.isDirect()) { 20107ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_native_bytes(audioData, 20115d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi audioData.position(), sizeInBytes, mAudioFormat, 20127ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 20137ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } else { 20147ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi ret = native_write_byte(NioUtils.unsafeArray(audioData), 20155d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi NioUtils.unsafeArrayOffset(audioData) + audioData.position(), 20167ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi sizeInBytes, mAudioFormat, 20177ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi writeMode == WRITE_BLOCKING); 20187ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 20197ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 20207ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi if ((mDataLoadMode == MODE_STATIC) 20217ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (mState == STATE_NO_STATIC_DATA) 20227ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi && (ret > 0)) { 20237ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi // benign race with respect to other APIs that read mState 20247ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi mState = STATE_INITIALIZED; 20257ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 20267ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 20275d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi if (ret > 0) { 20285d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi audioData.position(audioData.position() + ret); 20295d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi } 20305d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi 20317ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi return ret; 20327ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi } 20337ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 20347ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi /** 2035659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * Writes the audio data to the audio sink for playback in streaming mode on a HW_AV_SYNC track. 2036659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The blocking behavior will depend on the write mode. 2037cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param audioData the buffer that holds the data to play, starting at the position reported 2038cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * by <code>audioData.position()</code>. 2039cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>Note that upon return, the buffer position (<code>audioData.position()</code>) will 2040cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * have been advanced to reflect the amount of data that was successfully written to 2041cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * the AudioTrack. 2042cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param sizeInBytes number of bytes to write. 2043cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>Note this may differ from <code>audioData.remaining()</code>, but cannot exceed it. 2044cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param writeMode one of {@link #WRITE_BLOCKING}, {@link #WRITE_NON_BLOCKING}. 2045cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>With {@link #WRITE_BLOCKING}, the write will block until all data has been written 2046cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * to the audio sink. 2047cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * <BR>With {@link #WRITE_NON_BLOCKING}, the write will return immediately after 2048cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * queuing as much audio data for playback as possible without blocking. 2049cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * @param timestamp The timestamp of the first decodable audio frame in the provided audioData. 2050659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * @return zero or a positive number of bytes that were written, or 2051cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * {@link #ERROR_BAD_VALUE}, {@link #ERROR_INVALID_OPERATION}, or 2052cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * {@link AudioManager#ERROR_DEAD_OBJECT} if the AudioTrack is not valid anymore and 2053cfe964a09ca05778e5dd84f2fd24119b89401696Rachad * needs to be recreated. 2054659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * The dead object error code is not returned if some data was successfully transferred. 2055659e31fb2933f16eefa6fb2d48da2622ea40b14aGlenn Kasten * In this case, the error is returned at the next write(). 2056cfe964a09ca05778e5dd84f2fd24119b89401696Rachad */ 205768d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten public int write(@NonNull ByteBuffer audioData, int sizeInBytes, 2058cfe964a09ca05778e5dd84f2fd24119b89401696Rachad @WriteMode int writeMode, long timestamp) { 2059cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 206068d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten if (mState == STATE_UNINITIALIZED) { 206168d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten Log.e(TAG, "AudioTrack.write() called in invalid state STATE_UNINITIALIZED"); 206268d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten return ERROR_INVALID_OPERATION; 206368d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten } 206468d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten 206568d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten if ((writeMode != WRITE_BLOCKING) && (writeMode != WRITE_NON_BLOCKING)) { 206668d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten Log.e(TAG, "AudioTrack.write() called with invalid blocking mode"); 206768d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten return ERROR_BAD_VALUE; 206868d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten } 206968d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten 207068d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten if (mDataLoadMode != MODE_STREAM) { 207168d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten Log.e(TAG, "AudioTrack.write() with timestamp called for non-streaming mode track"); 207268d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten return ERROR_INVALID_OPERATION; 207368d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten } 207468d5ebd1da6bd4744314749d4fdbaf216414ea94Glenn Kasten 2075cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if ((mAttributes.getFlags() & AudioAttributes.FLAG_HW_AV_SYNC) == 0) { 2076cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.d(TAG, "AudioTrack.write() called on a regular AudioTrack. Ignoring pts..."); 2077cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return write(audioData, sizeInBytes, writeMode); 2078cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2079cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2080cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if ((audioData == null) || (sizeInBytes < 0) || (sizeInBytes > audioData.remaining())) { 2081cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.e(TAG, "AudioTrack.write() called with invalid size (" + sizeInBytes + ") value"); 2082cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ERROR_BAD_VALUE; 2083cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2084cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2085cfe964a09ca05778e5dd84f2fd24119b89401696Rachad // create timestamp header if none exists 2086cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncHeader == null) { 2087cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = ByteBuffer.allocate(16); 2088cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.order(ByteOrder.BIG_ENDIAN); 2089cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.putInt(0x55550001); 2090cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.putInt(sizeInBytes); 2091cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.putLong(timestamp); 2092cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader.position(0); 2093cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = sizeInBytes; 2094cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2095cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2096cfe964a09ca05778e5dd84f2fd24119b89401696Rachad // write timestamp header if not completely written already 2097cfe964a09ca05778e5dd84f2fd24119b89401696Rachad int ret = 0; 2098cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncHeader.remaining() != 0) { 2099cfe964a09ca05778e5dd84f2fd24119b89401696Rachad ret = write(mAvSyncHeader, mAvSyncHeader.remaining(), writeMode); 2100cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (ret < 0) { 2101cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.e(TAG, "AudioTrack.write() could not write timestamp header!"); 2102cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 2103cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 2104cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ret; 2105cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2106cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncHeader.remaining() > 0) { 2107cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.v(TAG, "AudioTrack.write() partial timestamp header written."); 2108cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return 0; 2109cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2110cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2111cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2112cfe964a09ca05778e5dd84f2fd24119b89401696Rachad // write audio data 2113cfe964a09ca05778e5dd84f2fd24119b89401696Rachad int sizeToWrite = Math.min(mAvSyncBytesRemaining, sizeInBytes); 2114cfe964a09ca05778e5dd84f2fd24119b89401696Rachad ret = write(audioData, sizeToWrite, writeMode); 2115cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (ret < 0) { 2116cfe964a09ca05778e5dd84f2fd24119b89401696Rachad Log.e(TAG, "AudioTrack.write() could not write audio data!"); 2117cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 2118cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining = 0; 2119cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ret; 2120cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2121cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2122cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncBytesRemaining -= ret; 2123cfe964a09ca05778e5dd84f2fd24119b89401696Rachad if (mAvSyncBytesRemaining == 0) { 2124cfe964a09ca05778e5dd84f2fd24119b89401696Rachad mAvSyncHeader = null; 2125cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2126cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2127cfe964a09ca05778e5dd84f2fd24119b89401696Rachad return ret; 2128cfe964a09ca05778e5dd84f2fd24119b89401696Rachad } 2129cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2130cfe964a09ca05778e5dd84f2fd24119b89401696Rachad 2131cfe964a09ca05778e5dd84f2fd24119b89401696Rachad /** 2132ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * Sets the playback head position within the static buffer to zero, 2133ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * that is it rewinds to start of static buffer. 2134ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * The track must be stopped or paused, and 2135ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * the track's creation mode must be {@link #MODE_STATIC}. 2136ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <p> 21370e3de6cacaffcfeda4d6353be61e2f1f9ed80705Dianne Hackborn * As of {@link android.os.Build.VERSION_CODES#M}, also resets the value returned by 2138ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * {@link #getPlaybackHeadPosition()} to zero. 2139ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * For earlier API levels, the reset behavior is unspecified. 2140ac322096d8c7b6198193d6140fc37073f7ccb2feGlenn Kasten * <p> 214135e576e79292122fad462ebccd8520822552a6d7Andy Hung * Use {@link #setPlaybackHeadPosition(int)} with a zero position 214235e576e79292122fad462ebccd8520822552a6d7Andy Hung * if the reset of <code>getPlaybackHeadPosition()</code> is not needed. 21439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return error code or success, see {@link #SUCCESS}, {@link #ERROR_BAD_VALUE}, 21449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #ERROR_INVALID_OPERATION} 21459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 21469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int reloadStaticData() { 2147a501b5b8d5ec0ccc975adbcf302f01a6979e81e1Glenn Kasten if (mDataLoadMode == MODE_STREAM || mState != STATE_INITIALIZED) { 21489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return ERROR_INVALID_OPERATION; 21499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return native_reload_static(); 21519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 21529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 21537070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------------------------------------------------------------- 21547070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent // Audio effects management 21557070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent //-------------------- 21567070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 21577070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 21581a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * Attaches an auxiliary effect to the audio track. A typical auxiliary 21591a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * effect is a reverberation effect which can be applied on any sound source 21601a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * that directs a certain amount of its energy to this effect. This amount 21611a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * is defined by setAuxEffectSendLevel(). 21627070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@see #setAuxEffectSendLevel(float)}. 21631a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>After creating an auxiliary effect (e.g. 21641a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.EnvironmentalReverb}), retrieve its ID with 21651a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * {@link android.media.audiofx.AudioEffect#getId()} and use it when calling 21667070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method to attach the audio track to the effect. 21671a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * <p>To detach the effect from the audio track, call this method with a 21681a5149e5d7f2dddc8b324f7695e69fd89af73c52Eric Laurent * null effect id. 21697070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 21707070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @param effectId system wide unique id of the effect to attach 21717070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 21727070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR_BAD_VALUE} 21737070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 21747070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int attachAuxEffect(int effectId) { 21753b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 21767070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 21777070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 21787070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return native_attachAuxEffect(effectId); 21797070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 21807070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 21817070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent /** 21827070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * Sets the send level of the audio track to the attached auxiliary effect 218378cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * {@link #attachAuxEffect(int)}. Effect levels 218478cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * are clamped to the closed interval [0.0, max] where 218578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * max is the value of {@link #getMaxVolume}. 218678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * A value of 0.0 results in no effect, and a value of 1.0 is full send. 2187e2a4b42c5b7f3475c1587f30d19afc12a190f009Glenn Kasten * <p>By default the send level is 0.0f, so even if an effect is attached to the player 21887070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * this method must be called for the effect to be applied. 218978cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * <p>Note that the passed level value is a linear scalar. UI controls should be scaled 219078cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * logarithmically: the gain applied by audio framework ranges from -72dB to at least 0dB, 21917070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * so an appropriate conversion from linear UI input x to level is: 21925c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * x == 0 -> level = 0 21935c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten * 0 < x <= R -> level = 10^(72*(x-R)/20/R) 21947070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * 219578cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten * @param level linear send level 21967070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent * @return error code or success, see {@link #SUCCESS}, 21973009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten * {@link #ERROR_INVALID_OPERATION}, {@link #ERROR} 21987070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent */ 21997070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent public int setAuxEffectSendLevel(float level) { 22001af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock if (isRestricted()) { 22011af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock return SUCCESS; 22021af30c7ac480e5d335f267a3ac3b2e6c748ce240John Spurlock } 22033b4df62704a6184878afd9272830cf3db7bd2d66Glenn Kasten if (mState == STATE_UNINITIALIZED) { 22047070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent return ERROR_INVALID_OPERATION; 22057070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 220678cbd451fd568e8fcc6fcc7c4f875428189aa8b8Glenn Kasten level = clampGainOrLevel(level); 22073009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten int err = native_setAuxEffectSendLevel(level); 22083009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten return err == 0 ? SUCCESS : ERROR; 22097070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent } 22109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 221188e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean //-------------------------------------------------------------------------- 221288e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean // Explicit Routing 221388e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean //-------------------- 221488e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean private AudioDeviceInfo mPreferredDevice = null; 221588e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 221688e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean /** 22172d6de4c38c899707e0596b7fa4dad9bbb3eb6b60Paul McLean * Specifies an audio device (via an {@link AudioDeviceInfo} object) to route 221888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean * the output from this AudioTrack. 22199e29086d5df800532e736d8f31e2b9159b102524Glenn Kasten * @param deviceInfo The {@link AudioDeviceInfo} specifying the audio sink. 22209e29086d5df800532e736d8f31e2b9159b102524Glenn Kasten * If deviceInfo is null, default routing is restored. 222188e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean * @return true if succesful, false if the specified {@link AudioDeviceInfo} is non-null and 222288e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean * does not correspond to a valid audio output device. 222388e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean */ 2224e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean public boolean setPreferredDevice(AudioDeviceInfo deviceInfo) { 222588e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean // Do some validation.... 22262d6de4c38c899707e0596b7fa4dad9bbb3eb6b60Paul McLean if (deviceInfo != null && !deviceInfo.isSink()) { 222788e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean return false; 222888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean } 22294bcdba848449b33d7022de527c526943aff1f5fdEric Laurent int preferredDeviceId = deviceInfo != null ? deviceInfo.getId() : 0; 22304bcdba848449b33d7022de527c526943aff1f5fdEric Laurent boolean status = native_setOutputDevice(preferredDeviceId); 22314bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (status == true) { 22324bcdba848449b33d7022de527c526943aff1f5fdEric Laurent synchronized (this) { 22334bcdba848449b33d7022de527c526943aff1f5fdEric Laurent mPreferredDevice = deviceInfo; 22344bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 22354bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 22364bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return status; 223788e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean } 223888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 223988e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean /** 2240e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean * Returns the selected output specified by {@link #setPreferredDevice}. Note that this 22412d6de4c38c899707e0596b7fa4dad9bbb3eb6b60Paul McLean * is not guaranteed to correspond to the actual device being used for playback. 224288e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean */ 2243e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean public AudioDeviceInfo getPreferredDevice() { 22444bcdba848449b33d7022de527c526943aff1f5fdEric Laurent synchronized (this) { 22454bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return mPreferredDevice; 22464bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 224788e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean } 224888e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 2249d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean //-------------------------------------------------------------------------- 2250d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // (Re)Routing Info 2251d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean //-------------------- 22528e6c9f46172458624349755c9b1bc051f420d36dPaul McLean /** 22538e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * Defines the interface by which applications can receive notifications of routing 22548e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * changes for the associated {@link AudioTrack}. 22558e6c9f46172458624349755c9b1bc051f420d36dPaul McLean */ 2256e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean public interface OnRoutingChangedListener { 2257e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean /** 2258e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean * Called when the routing of an AudioTrack changes from either and explicit or 22598e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * policy rerouting. Use {@link #getRoutedDevice()} to retrieve the newly routed-to 22608e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * device. 2261e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean */ 2262e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean public void onRoutingChanged(AudioTrack audioTrack); 2263e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean } 2264e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean 2265d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2266d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Returns an {@link AudioDeviceInfo} identifying the current routing of this AudioTrack. 22678e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * Note: The query is only valid if the AudioTrack is currently playing. If it is not, 22688e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * <code>getRoutedDevice()</code> will return null. 2269d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2270d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean public AudioDeviceInfo getRoutedDevice() { 22714bcdba848449b33d7022de527c526943aff1f5fdEric Laurent int deviceId = native_getRoutedDeviceId(); 22724bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (deviceId == 0) { 22734bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return null; 22744bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 22754bcdba848449b33d7022de527c526943aff1f5fdEric Laurent AudioDeviceInfo[] devices = 2276e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean AudioManager.getDevicesStatic(AudioManager.GET_DEVICES_OUTPUTS); 22774bcdba848449b33d7022de527c526943aff1f5fdEric Laurent for (int i = 0; i < devices.length; i++) { 22784bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (devices[i].getId() == deviceId) { 22794bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return devices[i]; 22804bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 22814bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2282d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean return null; 2283d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2284d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2285d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 22868e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * The list of AudioTrack.OnRoutingChangedListener interfaces added (with 22878e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * {@link AudioTrack#addOnRoutingChangedListener(OnRoutingChangedListener, android.os.Handler)} 22888e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * by an app to receive (re)routing notifications. 2289d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2290e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean private ArrayMap<OnRoutingChangedListener, NativeRoutingEventHandlerDelegate> 2291d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mRoutingChangeListeners = 2292e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean new ArrayMap<OnRoutingChangedListener, NativeRoutingEventHandlerDelegate>(); 2293d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2294d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2295e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean * Adds an {@link OnRoutingChangedListener} to receive notifications of routing changes 2296d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * on this AudioTrack. 22978e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * @param listener The {@link OnRoutingChangedListener} interface to receive notifications 22988e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * of rerouting events. 22998e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * @param handler Specifies the {@link Handler} object for the thread on which to execute 23008e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * the callback. If <code>null</code>, the {@link Handler} associated with the main 23018e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * {@link Looper} will be used. 2302d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2303e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean public void addOnRoutingChangedListener(OnRoutingChangedListener listener, 2304d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean android.os.Handler handler) { 2305d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (listener != null && !mRoutingChangeListeners.containsKey(listener)) { 2306d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean synchronized (mRoutingChangeListeners) { 23074bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (mRoutingChangeListeners.size() == 0) { 23084bcdba848449b33d7022de527c526943aff1f5fdEric Laurent native_enableDeviceCallback(); 23094bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2310d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mRoutingChangeListeners.put( 23115be68ede1943354371233ed2511e308f83b77932Paul McLean listener, new NativeRoutingEventHandlerDelegate(this, listener, 23125be68ede1943354371233ed2511e308f83b77932Paul McLean handler != null ? handler : new Handler(mInitializationLooper))); 2313d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2314d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2315d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2316d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2317d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2318e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean * Removes an {@link OnRoutingChangedListener} which has been previously added 23198e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * to receive rerouting notifications. 23208e6c9f46172458624349755c9b1bc051f420d36dPaul McLean * @param listener The previously added {@link OnRoutingChangedListener} interface to remove. 2321d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2322e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean public void removeOnRoutingChangedListener(OnRoutingChangedListener listener) { 2323d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean synchronized (mRoutingChangeListeners) { 2324d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (mRoutingChangeListeners.containsKey(listener)) { 2325d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mRoutingChangeListeners.remove(listener); 2326d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 23274bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (mRoutingChangeListeners.size() == 0) { 23284bcdba848449b33d7022de527c526943aff1f5fdEric Laurent native_disableDeviceCallback(); 23294bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2330d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2331d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2332d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2333d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2334d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Sends device list change notification to all listeners. 2335d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2336d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private void broadcastRoutingChange() { 2337d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Collection<NativeRoutingEventHandlerDelegate> values; 2338d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean synchronized (mRoutingChangeListeners) { 2339d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean values = mRoutingChangeListeners.values(); 2340d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 23414bcdba848449b33d7022de527c526943aff1f5fdEric Laurent AudioManager.resetAudioPortGeneration(); 2342d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean for(NativeRoutingEventHandlerDelegate delegate : values) { 2343d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Handler handler = delegate.getHandler(); 2344d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (handler != null) { 23454bcdba848449b33d7022de527c526943aff1f5fdEric Laurent handler.sendEmptyMessage(AudioSystem.NATIVE_EVENT_ROUTING_CHANGE); 2346d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2347d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2348d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2349d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 23509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 23519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Interface definitions 23529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 23539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23544df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Interface definition for a callback to be invoked when the playback head position of 23554df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * an AudioTrack has reached a notification marker or has increased by a certain period. 23569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23574df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public interface OnPlaybackPositionUpdateListener { 23589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to notify it that the previously set marker has been reached 23609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * by the playback head. 23619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onMarkerReached(AudioTrack track); 2363fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 23649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called on the listener to periodically notify it that the playback head has reached 23669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * a multiple of the notification period. 23679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 23689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void onPeriodicNotification(AudioTrack track); 23699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 23709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 23719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 23729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Inner classes 23739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 23749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 23754df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * Helper class to handle the forwarding of native events to the appropriate listener 23764df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project * (potentially) handled in a different thread 23775c17a820f9e46e0756c11795b3e6f89105f2f539Glenn Kasten */ 2378d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private class NativePositionEventHandlerDelegate { 23794df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project private final Handler mHandler; 2380fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 2381d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean NativePositionEventHandlerDelegate(final AudioTrack track, 238295bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten final OnPlaybackPositionUpdateListener listener, 238395bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler) { 23844df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // find the looper for our new event handler 23854df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Looper looper; 23864df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (handler != null) { 23874df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project looper = handler.getLooper(); 23884df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 2389105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project // no given handler, use the looper the AudioTrack was created in 2390105925376f8d0f6b318c9938c7b83ef7fef094daThe Android Open Source Project looper = mInitializationLooper; 23919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2392fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 23934df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // construct the event handler with this looper 23944df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (looper != null) { 23954df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project // implement the event handler delegate 23964df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = new Handler(looper) { 23974df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project @Override 23984df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project public void handleMessage(Message msg) { 239995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (track == null) { 24004df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return; 24014df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 24024df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project switch(msg.what) { 24034df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_MARKER: 24044df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 240595bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onMarkerReached(track); 24064df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 24074df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 24084df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project case NATIVE_EVENT_NEW_POS: 24094df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project if (listener != null) { 241095bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten listener.onPeriodicNotification(track); 24114df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 24124df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 24134df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project default: 24141f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten loge("Unknown native event type: " + msg.what); 24154df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project break; 24164df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 24174df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 24184df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project }; 24194df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } else { 24204df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project mHandler = null; 2421fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten } 24224df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project } 2423fb2ab9efc3805c81521afb9ff91a58ff5097a36eGlenn Kasten 24244df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project Handler getHandler() { 24254df2423a947bcd3f024cc3d3a1a315a8dc428598The Android Open Source Project return mHandler; 24269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2429d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean /** 2430d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * Helper class to handle the forwarding of native events to the appropriate listener 2431d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean * (potentially) handled in a different thread 2432d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean */ 2433d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private class NativeRoutingEventHandlerDelegate { 2434d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean private final Handler mHandler; 2435d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2436d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean NativeRoutingEventHandlerDelegate(final AudioTrack track, 2437e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean final OnRoutingChangedListener listener, 2438d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Handler handler) { 2439d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // find the looper for our new event handler 2440d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Looper looper; 2441d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (handler != null) { 2442d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean looper = handler.getLooper(); 2443d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } else { 2444d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // no given handler, use the looper the AudioTrack was created in 2445d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean looper = mInitializationLooper; 2446d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2447d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2448d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // construct the event handler with this looper 2449d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (looper != null) { 2450d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean // implement the event handler delegate 2451d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mHandler = new Handler(looper) { 2452d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean @Override 2453d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean public void handleMessage(Message msg) { 2454d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (track == null) { 2455d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean return; 2456d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2457d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean switch(msg.what) { 24584bcdba848449b33d7022de527c526943aff1f5fdEric Laurent case AudioSystem.NATIVE_EVENT_ROUTING_CHANGE: 2459d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean if (listener != null) { 2460e3383cc4539921756232ae4f3f54e99b95fb20ccPaul McLean listener.onRoutingChanged(track); 2461d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2462d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean break; 2463d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean default: 2464d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean loge("Unknown native event type: " + msg.what); 2465d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean break; 2466d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2467d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2468d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean }; 2469d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } else { 2470d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean mHandler = null; 2471d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2472d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2473d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean 2474d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean Handler getHandler() { 2475d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean return mHandler; 2476d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 2477d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean } 24789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 24809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Java methods called from the native side 24819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 24829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @SuppressWarnings("unused") 24839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void postEventFromNative(Object audiotrack_ref, 24849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int what, int arg1, int arg2, Object obj) { 24859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //logd("Event posted from the native side: event="+ what + " args="+ arg1+" "+arg2); 24869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AudioTrack track = (AudioTrack)((WeakReference)audiotrack_ref).get(); 24879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (track == null) { 24889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 24899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 24909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 24914bcdba848449b33d7022de527c526943aff1f5fdEric Laurent if (what == AudioSystem.NATIVE_EVENT_ROUTING_CHANGE) { 24924bcdba848449b33d7022de527c526943aff1f5fdEric Laurent track.broadcastRoutingChange(); 24934bcdba848449b33d7022de527c526943aff1f5fdEric Laurent return; 24944bcdba848449b33d7022de527c526943aff1f5fdEric Laurent } 2495d5bad53a0cfb675d945442f5794ae991dbd035caPaul McLean NativePositionEventHandlerDelegate delegate = track.mEventHandlerDelegate; 249695bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (delegate != null) { 249795bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Handler handler = delegate.getHandler(); 249895bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten if (handler != null) { 249995bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten Message m = handler.obtainMessage(what, arg1, arg2, obj); 250095bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten handler.sendMessage(m); 250195bd2329c6a36211f18be3e089eaa775ec62df62Glenn Kasten } 25029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 25079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Native methods called from the Java side 25089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //-------------------- 25099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2510a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // post-condition: mStreamType is overwritten with a value 2511a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // that reflects the audio attributes (e.g. an AudioAttributes object with a usage of 2512a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi // AudioAttributes.USAGE_MEDIA will map to AudioManager.STREAM_MUSIC 2513a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi private native final int native_setup(Object /*WeakReference<AudioTrack>*/ audiotrack_this, 2514a1d80e3b1d210c60c6881a55ed39a4077ff66080Jean-Michel Trivi Object /*AudioAttributes*/ attributes, 251530d794360f35592554403922bcc07835fea4737bAndy Hung int sampleRate, int channelMask, int channelIndexMask, int audioFormat, 2516619346f902241736d933657a4fe10f10c50a1ba8Eric Laurent int buffSizeInBytes, int mode, int[] sessionId); 25179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_finalize(); 25199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_release(); 25219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_start(); 25239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_stop(); 25259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_pause(); 25279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_flush(); 25299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_byte(byte[] audioData, 25317ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi int offsetInBytes, int sizeInBytes, int format, 25327ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi boolean isBlocking); 25339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_write_short(short[] audioData, 25354aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung int offsetInShorts, int sizeInShorts, int format, 25364aacc903e3f0216a1aec00d57d34f902025d5bd0Andy Hung boolean isBlocking); 25379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 253854955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten private native final int native_write_float(float[] audioData, 253954955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten int offsetInFloats, int sizeInFloats, int format, 254054955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten boolean isBlocking); 254154955e33c8612a737a76177408f3e7c8482cfcf4Glenn Kasten 25427ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi private native final int native_write_native_bytes(Object audioData, 25435d21f679c58dbb13c8c931ffec6e06b6b8cd454fJean-Michel Trivi int positionInBytes, int sizeInBytes, int format, boolean blocking); 25447ca0452fa62b9c15bd45b0fd52aef97442555a6eJean-Michel Trivi 25459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_reload_static(); 25469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_native_frame_count(); 25489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final void native_setVolume(float leftVolume, float rightVolume); 25509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 255188e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_set_playback_rate(int sampleRateInHz); 255288e209dcf8c2ebddda5c272f46d1bd5478bc639cEric Laurent private native final int native_get_playback_rate(); 25539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25542d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia private native final void native_set_playback_params(@NonNull PlaybackParams params); 25552d61e2b97c92ac2de80ebb3782b728ae5cdf5306Wei Jia private native final @NonNull PlaybackParams native_get_playback_params(); 2556263b4c97823295c41900210515d0c769a236190cAndy Hung 25579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_marker_pos(int marker); 25589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_marker_pos(); 25599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_pos_update_period(int updatePeriod); 25619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_pos_update_period(); 25629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_position(int position); 25649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_get_position(); 25659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 256661dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman private native final int native_get_latency(); 256761dcdf3764b614c6f01e77cb4342d192e3101f8aOliver Woodman 2568948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // longArray must be a non-null array of length >= 2 2569948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [0] is assigned the frame position 2570948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten // [1] is assigned the time in CLOCK_MONOTONIC nanoseconds 2571948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten private native final int native_get_timestamp(long[] longArray); 2572948c2e6ff46d65942277f2e0e9ce0c038972b9d8Glenn Kasten 25739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private native final int native_set_loop(int start, int end, int loopCount); 25749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_output_sample_rate(int streamType); 25769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static private native final int native_get_min_buff_size( 25779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int sampleRateInHz, int channelConfig, int audioFormat); 25789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25797070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent private native final int native_attachAuxEffect(int effectId); 25803009f0b911e39d3b26c69bd7667d6444eacb9d11Glenn Kasten private native final int native_setAuxEffectSendLevel(float level); 25817070b36549d511d6627538c73dfbab23fbae5b43Eric Laurent 258288e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean private native final boolean native_setOutputDevice(int deviceId); 25834bcdba848449b33d7022de527c526943aff1f5fdEric Laurent private native final int native_getRoutedDeviceId(); 25844bcdba848449b33d7022de527c526943aff1f5fdEric Laurent private native final void native_enableDeviceCallback(); 25854bcdba848449b33d7022de527c526943aff1f5fdEric Laurent private native final void native_disableDeviceCallback(); 258688e1d86a879d8802e775dd0566ffb64425e8e3c8Paul McLean 25879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //--------------------------------------------------------- 25889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Utility methods 25899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project //------------------ 25909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void logd(String msg) { 25921f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.d(TAG, msg); 25939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 25959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private static void loge(String msg) { 25961f61d01508651b4475397414e1fe06af1ab8fadaGlenn Kasten Log.e(TAG, msg); 25979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 25989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 2599