AudioTrack.cpp revision a636433cbd09c0708b85f337ef45c0cdef3bcb4d
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <stdint.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/types.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <limits.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sched.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <private/media/AudioTrackShared.h> 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioSystem.h> 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 357562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/Parcel.h> 367562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Timers.h> 3838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent#include <utils/Atomic.h> 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin#include <cutils/bitops.h> 41f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten#include <cutils/compiler.h> 42fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 4364760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 447394a4f358fa9908a9f0a7c954b65c399f4268e6Dima Zavin#include <system/audio_policy.h> 45fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 46511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten#include <audio_utils/primitives.h> 47511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 5033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 5133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 5233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 5333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int* frameCount, 54fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afSampleRate; 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afFrameCount; 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 7333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 75e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 7933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 84879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 854ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 864ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 87a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 92fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 94e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 950d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 970ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 100be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 101be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 102879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1034ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1044ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 105a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1070d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 108a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 10917a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11217a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten// DEPRECATED 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 114c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int streamType, 115c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t sampleRate, 116c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int format, 117c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int channelMask, 118c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int frameCount, 119c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t flags, 120c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber callback_t cbf, 121c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber void* user, 122c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int notificationFrames, 123c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int sessionId) 124c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber : mStatus(NO_INIT), 12518868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mIsTimed(false), 126a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(SP_DEFAULT) 127c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber{ 128c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber mStatus = set((audio_stream_type_t)streamType, sampleRate, (audio_format_t)format, channelMask, 1290ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent frameCount, (audio_output_flags_t)flags, cbf, user, notificationFrames, 13017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 131c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 132c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 133c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 134fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 136e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1370d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1390ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 142be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 143be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 144879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1454ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1464ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 147a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1490d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 15017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 15117a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten sharedBuffer, false /*threadCanCallJava*/, sessionId); 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1703a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 175fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 177e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1780d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1800ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 185be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 186be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1893856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1911a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("set() streamType %d frameCount %d flags %04x", streamType, frameCount, flags); 1921a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 1931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1941dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 19529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 200fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 201fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 203ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 2041a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent int afSampleRate; 2051a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 2061a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent return NO_INIT; 2071a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent } 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 211ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 213e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 214fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2160d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2170d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 221fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 22229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 225c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 227fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2280ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2300ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2321948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2331948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2341948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2351948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2370d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 23829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid channel mask"); 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2410d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 243fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 244fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 245e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 24618868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 248c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 24929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 25189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 25434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 25505632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 256d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 257d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 258be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2592beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 2604a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 261be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 2623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (cbf != NULL) { 2633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 2643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 2653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 26734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 270e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 2710d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi (uint32_t)channelMask, 2721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 275291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten output); 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 2783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 2793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); 2803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread.clear(); 2813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 288e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 2890d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask = (uint32_t)channelMask; 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 2939a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2972c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 300cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 301c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 3023a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 303cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = NO_ERROR; 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 319fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 324e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 336d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 339b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kastensize_t AudioTrack::frameSize() const 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 341fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 342671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 343c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 344c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 345c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 358d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t status = NO_ERROR; 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 362f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 365e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 366e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3699a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 370cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3719a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 37333797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 37638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 3772b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->resume(); 3792b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 380879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 381a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 382879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3832b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3842b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p before lock cblk %p", this, mCblk); 3861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 3871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioTrack->start()"); 3893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten status = mAudioTrack->start(); 3901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 39238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 3936100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3942b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 3961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status = restoreTrack_l(cblk, true); 3971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3992b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 4003856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 4019a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 40234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 4033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 40434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 405879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 406a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 40734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4173856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 419f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4209a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4219a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4221dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4272c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4282c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4292c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 4363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 438879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 439a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4479a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4489a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4622c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4632c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4642c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 466c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 468cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 479f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4809a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4819a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 497be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 499f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 500be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 501be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 502be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50783d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 508be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 509be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 512a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getVolume(float* left, float* right) const 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 515be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 516be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 517be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 518be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 519be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 520be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 523be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5243856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 52505632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 526be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 527be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 530be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 531be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 53205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 537a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 538be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 539be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 540be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 541be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 544573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5484ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5494ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5504ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5514ff14bae91075eb274eb1c2975982358946e7e63John Grossman 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 553573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 556573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 559573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 560573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 563a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5654ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5664ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5674ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 570573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5944ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5954ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5964ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5974ff14bae91075eb274eb1c2975982358946e7e63John Grossman 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 5999b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 6009b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 60129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6059b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 60629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 607d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 621a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6242c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 629a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 631a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 640a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 650a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 652a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6614ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 6624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6659a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6669a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 6679a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten Mutex::Autolock _l(mCblk->lock); 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 67238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 673c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 679a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 6801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 681cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6909a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 691c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 694d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 699c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 700c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 708fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 70918868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mCblk->sampleRate, mFormat, mChannelMask, mFlags); 710c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 712a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenint AudioTrack::getSessionId() const 713be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 714be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 715be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 716be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 717be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 718be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7193856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7202beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7212beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 725be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 731fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 73234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 733e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 7340d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask, 73534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 7360ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 73734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 738291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten audio_io_handle_t output) 73934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 74034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 74134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 74234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 743e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 744e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 74534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 747d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afSampleRate; 7481a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getSamplingRate(output, streamType, &afSampleRate) != NO_ERROR) { 749d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 750d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 751d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afFrameCount; 7521a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 753d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 754d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 755d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7561a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getLatency(output, streamType, &afLatency) != NO_ERROR) { 757d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 758d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 759d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7604a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7614a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7620ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7634a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7654a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7664a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 7690ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 7704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 7711a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent ALOGV("createTrack_l() output %d afFrameCount %d afLatency %d", output, afFrameCount, afLatency); 7724a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 773d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 774fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 775d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 776d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 777d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 778d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 779d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 780d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 781d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 782d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 783d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 7843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("minFrameCount: %d, afFrameCount=%d, minBufCount=%d, sampleRate=%d, afSampleRate=%d" 7853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 7863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 7873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten#define MIN_FRAME_COUNT_FAST 128 // FIXME hard-coded 7883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if ((flags & AUDIO_OUTPUT_FLAG_FAST) && (minFrameCount > MIN_FRAME_COUNT_FAST)) { 7893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount = MIN_FRAME_COUNT_FAST; 7903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 791d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 792d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer == 0) { 793d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount == 0) { 794d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 795d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 796d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct == 0) { 797d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 798d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 799d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Make sure that application is notified with sufficient margin 800d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // before underrun 801d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 802d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 803d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 8043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (frameCount < minFrameCount) { 805291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 806291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 807d8d6185c978c9b27ca69e7791785e0983ed9e8b8Eric Laurent frameCount, minFrameCount); 808d8d6185c978c9b27ca69e7791785e0983ed9e8b8Eric Laurent frameCount = minFrameCount; 809d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 810d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 81199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Ensure that buffer alignment matches channelCount 8120d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelCount = popcount(channelMask); 813d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 81429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 815d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 816d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 817d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 818d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 819d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 820d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 821a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 822a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 823a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 824a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8270ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8284a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8324a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8334a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 83434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 83534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 83634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 83734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 8380d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 83934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 840a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags, 84134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 84234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 844be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 84534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 84634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 84829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 84934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 85034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 85134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 85234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 85329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 85434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 85534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 85634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 85734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 85834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 8593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // old has the previous value of mCblk->flags before the "or" operation 8603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten int32_t old = android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags); 8613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (old & CBLK_FAST) { 8633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGI("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", mCblk->frameCount); 8643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 8653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", mCblk->frameCount); 8663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 86834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 86934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 87034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 87134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 872e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten // Force buffer full condition as data is already present in shared memory 873d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 87434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 87534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 87683d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000)); 87705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(mSendLevel); 8782beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 8796100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 8806100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 881d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 882d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 88334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 88434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 88534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8899a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 890d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 89289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 8931dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 89489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 89689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 89789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9009b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 9019b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 9029b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 9039b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 9049b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 9059b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 90734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 911f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 9123856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 91334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 916f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 91734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 91934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 920d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 9211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 922d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 9231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 9259a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 9261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 9271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 929d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 9301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 931d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 932d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 933d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 934f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 9351dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 9405ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 942c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 9443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 9451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 94634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 94738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 948d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 9491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = restoreTrack_l(cblk, false); 9501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 9525ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 9531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 95534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 95689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 959c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 96134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 96934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97244d9848d6656777a18019223e0d35f2fcc67719aEric Laurent // restart track if it was disabled by audioflinger due to previous underrun 9731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) { 97438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 9755ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer() track %p disabled, restarting", this); 9763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrack->start(); 97744d9848d6656777a18019223e0d35f2fcc67719aEric Laurent } 97844d9848d6656777a18019223e0d35f2fcc67719aEric Laurent 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 980c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 988a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 992c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 993c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 994c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 995c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 996fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 997fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audioBuffer->format = AUDIO_FORMAT_PCM_16_BIT; 998c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 999c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 1000c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 1001c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 10091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->stepUser(audioBuffer->frameCount); 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 10184ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 102199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 102299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 102329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10283856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 10311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 10321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1033e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1034e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 10351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1040b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 104333797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1044c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 104989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1054c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 10550ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1058511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 10593302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 106833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10754ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 10764ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 10774ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 10784ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10794ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 10804ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 10814ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 10824ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10834ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 10844ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 10854ff14bae91075eb274eb1c2975982358946e7e63John Grossman // we can attempt to restore in in just a bit. 10864ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (!(mCblk->flags & CBLK_INVALID_MSK)) { 10874ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 10884ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 10894ff14bae91075eb274eb1c2975982358946e7e63John Grossman android_atomic_or(CBLK_INVALID_ON, &mCblk->flags); 10904ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 10914ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 10924ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10934ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 10944ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 10954ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mCblk->flags & CBLK_INVALID_MSK) { 10964ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.lock(); 10974ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = restoreTrack_l(mCblk, false); 10984ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.unlock(); 10994ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11004ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == OK) 11014ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11024ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11034ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11044ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 11054ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11064ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11074ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 11084ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 11094ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11104ff14bae91075eb274eb1c2975982358946e7e63John Grossman // restart track if it was disabled by audioflinger due to previous underrun 11114ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mActive && (mCblk->flags & CBLK_DISABLED_MSK)) { 11124ff14bae91075eb274eb1c2975982358946e7e63John Grossman android_atomic_and(~CBLK_DISABLED_ON, &mCblk->flags); 11134ff14bae91075eb274eb1c2975982358946e7e63John Grossman ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 11143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrack->start(); 11154ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11164ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11174ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->queueTimedBuffer(buffer, pts); 11184ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11194ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11204ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 11214ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 11224ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 11234ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 11244ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11254ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11264ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 11274ff14bae91075eb274eb1c2975982358946e7e63John Grossman 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 11351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 11361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1137e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1138e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 11391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 11409a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 11411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 11421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 11449a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (active && (cblk->framesAvailable() == cblk->frameCount)) { 11453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 114638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_UNDERRUN_ON, &cblk->flags) & CBLK_UNDERRUN_MSK)) { 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 11481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1149c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1154c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 11561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 115789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 116289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 11652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 11661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 11682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1173c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 11741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 117589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 117689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 117789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 118189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 118289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 118389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 118489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 118589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 118689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 118899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 118999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 11902267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 11912267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 11922267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 11932267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 11942267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11992267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 120229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 120489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 12120ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 121489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 12218555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 12228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 12238555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 12248555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 12258555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 12268555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 12278555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 12288555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 122989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12310ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1232511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1233511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 123789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1238c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1239b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten // 8 bit PCM data: in this case, mCblk->frameSize is based on a sample size of 1240c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1242c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 124489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1250d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 125389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 125489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 125589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 12581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 12591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioTrack is successfully restored, the cblk pointer is updated 12601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& cblk, bool fromStart) 12611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 12621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 12631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 126438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) { 12655ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, creating a new one from %s TID %d", 1266e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten fromStart ? "start()" : "obtainBuffer()", gettid()); 12671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 12691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 12701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 12711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 12721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12739f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // refresh the audio configuration cache in this process to make sure we get new 12749f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // output parameters in getOutput_l() and createTrack_l() 12759f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent AudioSystem::clearAudioConfigCache(); 12769f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 12771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioTrack is created, createTrack_l() will modify the 12781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioTrack, mCblkMemory and mCblk. 12791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioTrack and IMemory 12801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = createTrack_l(mStreamType, 12811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->sampleRate, 12821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFormat, 12830d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask, 12841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFrameCount, 12851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFlags, 12861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mSharedBuffer, 1287291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten getOutput_l()); 12881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 1290408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t user = cblk->user; 1291408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t server = cblk->server; 12929b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore write index and set other indexes to reflect empty buffer status 1293408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->user = user; 1294408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->server = user; 1295408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->userBase = user; 1296408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->serverBase = user; 12979b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore loop: this is not guaranteed to succeed if new frame count is not 12989b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // compatible with loop length 12999b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 13001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!fromStart) { 13011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1302408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // Make sure that a client relying on callback events indicating underrun or 1303408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the actual amount of audio frames played (e.g SoundPool) receives them. 1304408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (mSharedBuffer == 0) { 1305408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t frames = 0; 1306408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (user > server) { 1307408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent frames = ((user - server) > mCblk->frameCount) ? 1308408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->frameCount : (user - server); 1309408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent memset(mCblk->buffers, 0, frames * mCblk->frameSize); 1310408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1311408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // restart playback even if buffer is not completely filled. 1312408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 1313408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // stepUser() clears CBLK_UNDERRUN_ON flag enabling underrun callbacks to 1314408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the client 1315408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->stepUser(frames); 1316408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 13171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13189b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (mActive) { 13193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 13205ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 13219b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 13221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (fromStart && result == NO_ERROR) { 13231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 13241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 1327cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent android_atomic_and(~CBLK_RESTORING_ON, &cblk->flags); 13285ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 13291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1330cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = result; 13311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 133238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_RESTORED_ON, &cblk->flags); 13331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 13341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 13351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_RESTORED_MSK)) { 13365ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, waiting for a new one TID %d", gettid()); 13371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 13381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 1339cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent if (result == NO_ERROR) { 1340cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 1341cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent } 13421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 13441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 13455ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, already restored TID %d", gettid()); 1346cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 13471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13503856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1351e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 13521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 13541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 13551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 13561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 13581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13595ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 13601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 13621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 13631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 136489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 136589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 136689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 136889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 136989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 137089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 137289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 137389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1374d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 137589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1376573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 137789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 137889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 138089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 138189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 138289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 138389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 138489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 138589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 138689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 13873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 13883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 13893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 13903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 13913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 139289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 139389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 139489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 139589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 13983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 13993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 14013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 14023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 14033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1405ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 1406ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten pause(); 1407ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 1408ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten return true; 140989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 141389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 141889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 14213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 14233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 14243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 14253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 14283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 14313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 14343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 14383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 14393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 14403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 144289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 144654b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1447a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten userBase(0), serverBase(0), buffers(NULL), frameCount(0), 144883d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), mVolumeLR(0x10001000), 144905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 145089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 145189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 145489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1455a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepuser %08x %08x %d", user, server, frameCount); 145689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1457a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t u = user; 145889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 145989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1460d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 146389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 146489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14659054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 1466a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGW("stepUser occurred after track reset"); 14679054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 146889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 146989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1470a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1471a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u >= fc) { 1472a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, user didn't just wrap 1473a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (u - fc >= userBase ) { 1474a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 1475a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1476a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (u >= userBase + fc) { 1477a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // user just wrapped 1478a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen userBase += fc; 147989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 148089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14819054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 148433797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent if (flags & CBLK_UNDERRUN_MSK) { 148538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_UNDERRUN_MSK, &flags); 148633797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 148789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 148989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 149089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 149189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 149289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1493a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGV("stepserver %08x %08x %d", user, server, frameCount); 1494a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 149538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 14965ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 149789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 149889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 149989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15009054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 1501a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen bool flushed = (s == user); 150289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 150389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1504d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 150589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 150689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 150789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 150834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1509c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 151089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 151189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 151289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 151389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 1514a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (flushed) { 15155ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 15169054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 15215ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 152389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 152489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 152589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 152689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 152789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1528a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 1529a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t fc = this->frameCount; 1530a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s >= fc) { 1531a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, server didn't just wrap 1532a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (s - fc >= serverBase ) { 1533a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 1534a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1535a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } else if (s >= serverBase + fc) { 1536a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // server just wrapped 1537a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen serverBase += fc; 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15409054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(flags & CBLK_INVALID_MSK)) { 15431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 15441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 154589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 154689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15519054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 155489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 155589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 155689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 155789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 155889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 156189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15629054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 15639054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1565d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 157489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15759054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 15769054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1578d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 157989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 158089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 158238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 158338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 15845ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 158538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 158638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 158738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 158938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 159089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 159138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 159238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 159389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 159589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 159889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 159938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 160038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 160138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 160238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 160338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 160438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 160538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 160638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 160738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 160838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 160938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 161038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 161138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 161238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 161338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 161438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 161538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 161638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 161738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 161889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 162089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1621