AudioTrack.cpp revision a075db4ff9b086ac2885df77bb6da0869293df92
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; 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 8089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 82879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 834ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 844ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 854ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 90fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 92e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 930d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 9518868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten audio_policy_output_flags_t flags, 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 98be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 99be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 100879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1014ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1024ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1034ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1050d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 106a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 107a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, false, sessionId); 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 111c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int streamType, 112c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t sampleRate, 113c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int format, 114c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int channelMask, 115c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int frameCount, 116c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t flags, 117c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber callback_t cbf, 118c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber void* user, 119c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int notificationFrames, 120c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int sessionId) 121c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber : mStatus(NO_INIT), 12218868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mIsTimed(false), 123c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 124c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber{ 125c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber mStatus = set((audio_stream_type_t)streamType, sampleRate, (audio_format_t)format, channelMask, 12618868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten frameCount, (audio_policy_output_flags_t)flags, cbf, user, notificationFrames, 127c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 0, false, sessionId); 128c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 129c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 130c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 131fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 133e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1340d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 13618868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten audio_policy_output_flags_t flags, 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 139be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 140be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 141879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1424ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1434ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1444ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1460d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 147a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, flags, cbf, user, notificationFrames, 148a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent sharedBuffer, false, sessionId); 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1533856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1663a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 171fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 173e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1740d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 17618868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten audio_policy_output_flags_t flags, 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 181be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 182be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1881dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 18929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 203fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 204fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 210e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 211fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2130d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2140d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 218fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 21929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 222c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 223c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 224fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 22518868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags = (audio_policy_output_flags_t) (flags | AUDIO_POLICY_OUTPUT_FLAG_DIRECT); 226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 227c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2280d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 22929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid channel mask"); 23089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2320d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 234fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 235fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 236e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 23718868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 23889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 239c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 24029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 24534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 24605632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 247d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 248d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 249be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2502beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 251be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 25234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 255e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 2560d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi (uint32_t)channelMask, 2571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 2601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent output, 2611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent true); 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 26589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 267a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (cbf != NULL) { 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 274e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 2750d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask = (uint32_t)channelMask; 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 2799a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2842c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 287cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 2893a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 290cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = NO_ERROR; 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 306fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 311e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 323d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 326b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kastensize_t AudioTrack::frameSize() const 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 328fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 329671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 330c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 331c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 332c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 34289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 345d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t status = NO_ERROR; 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3473856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 34989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 35129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::start called from thread"); 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 355e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten } 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 357f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 360e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 361e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3649a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 365cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3669a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 36833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 37138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 3726dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten pid_t tid; 3732b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 374480b46802bef1371d5caa16ad5454fce04769c57Glenn Kasten t->run("AudioTrack", ANDROID_PRIORITY_AUDIO); 3756dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten tid = t->getTid(); // pid_t is unknown until run() 3766dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten ALOGV("getTid=%d", tid); 3776dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten if (tid == -1) { 3786dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten tid = 0; 3796dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten } 3802b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 381879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 382879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousSchedulingGroup = androidGetThreadSchedulingGroup(0); 383879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3846dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten tid = 0; // not gettid() 3852b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3862b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3873856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p before lock cblk %p", this, mCblk); 3881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 3891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3906dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten ALOGV("mAudioTrack->start(tid=%d)", tid); 3916dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten status = mAudioTrack->start(tid); 3921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 39438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 3956100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3962b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 3981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status = restoreTrack_l(cblk, true); 3991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 4001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 4012b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 4023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 4039a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 40434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 4052b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->requestExit(); 40634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 407879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 408879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); 40934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4193856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 421f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4229a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4239a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4241dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4292c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4302c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4312c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 440879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 441879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4499a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4509a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 463c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4642c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4662c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4672c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 468c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 470cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4803856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 481f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4829a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4839a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 499be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 501f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 502be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 503be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 504be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50983d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 510be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 511be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 514a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getVolume(float* left, float* right) const 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 516be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 517be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 518be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 519be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 520be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 522be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 523be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 525be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5263856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 52705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 531be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 532be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 53405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 537be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 538be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 539a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 540be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 541be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 542be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 543be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 546573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5504ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5514ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5524ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5534ff14bae91075eb274eb1c2975982358946e7e63John Grossman 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 555573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 558573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 561573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 562573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 565a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5674ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5684ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5694ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 572573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5964ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5974ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5984ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5994ff14bae91075eb274eb1c2975982358946e7e63John Grossman 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 6019b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 6029b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 60329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6079b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 60829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 609d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 611c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 623a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6262c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 631a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 633a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (marker == NULL) return BAD_VALUE; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 642a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf == NULL) return INVALID_OPERATION; 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 652a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 654a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (updatePeriod == NULL) return BAD_VALUE; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6634ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 6644ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6679a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6689a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 6699a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten Mutex::Autolock _l(mCblk->lock); 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 67438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 675c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 681a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (position == NULL) return BAD_VALUE; 6821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 683cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 68989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6929a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 693c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 696d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 701c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 702c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 710fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 71118868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mCblk->sampleRate, mFormat, mChannelMask, mFlags); 712c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 713c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 714a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenint AudioTrack::getSessionId() const 715be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 716be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 717be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 718be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 720be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7213856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7262beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 727be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 728be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 733fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 73434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 735e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 7360d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask, 73734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 73818868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten audio_policy_output_flags_t flags, 73934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 740d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent audio_io_handle_t output, 741d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent bool enforceFrameCount) 74234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 74534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 746e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 747e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 74834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 750d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afSampleRate; 751d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 752d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 753d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 754d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afFrameCount; 755d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 756d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 757d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 758d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 759d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 760d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 761d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 762d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 763d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 764fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 765d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 766d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 767d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 768d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 769d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 770d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 771d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 772d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 773d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 774d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 775d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer == 0) { 776d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount == 0) { 777d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 778d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 779d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct == 0) { 780d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 781d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 782d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Make sure that application is notified with sufficient margin 783d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // before underrun 784d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 785d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 786d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 787d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount < minFrameCount) { 788d8d6185c978c9b27ca69e7791785e0983ed9e8b8Eric Laurent ALOGW_IF(enforceFrameCount, "Minimum buffer size corrected from %d to %d", 789d8d6185c978c9b27ca69e7791785e0983ed9e8b8Eric Laurent frameCount, minFrameCount); 790d8d6185c978c9b27ca69e7791785e0983ed9e8b8Eric Laurent frameCount = minFrameCount; 791d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 792d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 79399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Ensure that buffer alignment matches channelCount 7940d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelCount = popcount(channelMask); 795d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 79629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 797d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 798d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 799d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 800d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 801d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 802d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 803a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 804a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 805a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 806a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 80734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 80834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 80934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 81034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 8110d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 81234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 813a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags, 81434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 81534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 816be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 81734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 81834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 81934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 82029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 82134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 82234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 82434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 82529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 82634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 82734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 82934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 83034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 83138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags); 83234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 83334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 83434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 83534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 836e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten // Force buffer full condition as data is already present in shared memory 837d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 83834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 83934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 84083d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000)); 84105632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(mSendLevel); 8422beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 8436100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 8446100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 845d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 846d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 84834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 84934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 85089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 85189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8539a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 854d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 8571dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8649b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 8659b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 8669b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 8679b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 8689b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 8699b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 87134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 87489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 875f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 8763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 87734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 87889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 87989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 880f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 88134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 88334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 884d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 8851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 886d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 8871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 8881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 8899a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 8901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 8911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 8921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 893d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 8941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 895d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 896d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 897d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 898f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 8991dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 90289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 9045ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 906c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 9086dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten result = mAudioTrack->start(0); // callback thread hasn't changed 9091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 91034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 91138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 912d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 9131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = restoreTrack_l(cblk, false); 9141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 9165ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 9171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 91934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 923c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 92534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93644d9848d6656777a18019223e0d35f2fcc67719aEric Laurent // restart track if it was disabled by audioflinger due to previous underrun 9371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) { 93838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 9395ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer() track %p disabled, restarting", this); 9406dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten mAudioTrack->start(0); // callback thread hasn't changed 94144d9848d6656777a18019223e0d35f2fcc67719aEric Laurent } 94244d9848d6656777a18019223e0d35f2fcc67719aEric Laurent 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 944c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 956c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 957c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 958c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 959c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 960fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 961fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audioBuffer->format = AUDIO_FORMAT_PCM_16_BIT; 962c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 963c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 964c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 965c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->stepUser(audioBuffer->frameCount); 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 9824ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) return INVALID_OPERATION; 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 98599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 98699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 98729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 99089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9923856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 9951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 9961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 997e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 998e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 9991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 100389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1004b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 100733797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1008c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1018c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1019fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1022511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 10233302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 103233797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 103589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10394ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 10404ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 10414ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 10424ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10434ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 10444ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 10454ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 10464ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10474ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 10484ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 10494ff14bae91075eb274eb1c2975982358946e7e63John Grossman // we can attempt to restore in in just a bit. 10504ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (!(mCblk->flags & CBLK_INVALID_MSK)) { 10514ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 10524ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 10534ff14bae91075eb274eb1c2975982358946e7e63John Grossman android_atomic_or(CBLK_INVALID_ON, &mCblk->flags); 10544ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 10554ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 10564ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10574ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 10584ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 10594ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mCblk->flags & CBLK_INVALID_MSK) { 10604ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.lock(); 10614ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = restoreTrack_l(mCblk, false); 10624ff14bae91075eb274eb1c2975982358946e7e63John Grossman mCblk->lock.unlock(); 10634ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10644ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == OK) 10654ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 10664ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 10674ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10684ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 10694ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 10704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10714ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 10724ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 10734ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 10744ff14bae91075eb274eb1c2975982358946e7e63John Grossman // restart track if it was disabled by audioflinger due to previous underrun 10754ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mActive && (mCblk->flags & CBLK_DISABLED_MSK)) { 10764ff14bae91075eb274eb1c2975982358946e7e63John Grossman android_atomic_and(~CBLK_DISABLED_ON, &mCblk->flags); 10774ff14bae91075eb274eb1c2975982358946e7e63John Grossman ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 10784ff14bae91075eb274eb1c2975982358946e7e63John Grossman mAudioTrack->start(0); 10794ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 10804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10814ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->queueTimedBuffer(buffer, pts); 10824ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 10834ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10844ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 10854ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 10864ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 10874ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 10884ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 10894ff14bae91075eb274eb1c2975982358946e7e63John Grossman 10904ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 10914ff14bae91075eb274eb1c2975982358946e7e63John Grossman 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 10991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 11001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1101e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1102e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 11031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 11049a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 11051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 11061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 11089a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (active && (cblk->framesAvailable() == cblk->frameCount)) { 11093856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 111038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_UNDERRUN_ON, &cblk->flags) & CBLK_UNDERRUN_MSK)) { 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 11121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1113c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1118c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 11201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 112189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 11292c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 11301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 11322c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1137c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 11381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 114589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 115299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 115399e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 11542267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 11552267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 11562267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 11572267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 11582267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1162c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11632267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 116629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 117089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 117589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 1176fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 117789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 117889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 118189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 118289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 118389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 118489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 11858555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 11868555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 11878555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 11888555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 11898555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 11908555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 11918555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 11928555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1195fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 1196511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1197511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 119989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 120089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1202c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1203b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten // 8 bit PCM data: in this case, mCblk->frameSize is based on a sample size of 1204c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1205c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1206c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 120889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 120989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 121089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 121389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1214d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 121589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 121689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 121789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 121989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 122089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 12221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 12231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioTrack is successfully restored, the cblk pointer is updated 12241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& cblk, bool fromStart) 12251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 12261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 12271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 122838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) { 12295ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, creating a new one from %s TID %d", 1230e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten fromStart ? "start()" : "obtainBuffer()", gettid()); 12311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 12331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 12341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 12351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 12361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12379f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // refresh the audio configuration cache in this process to make sure we get new 12389f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // output parameters in getOutput_l() and createTrack_l() 12399f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent AudioSystem::clearAudioConfigCache(); 12409f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 12411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioTrack is created, createTrack_l() will modify the 12421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioTrack, mCblkMemory and mCblk. 12431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioTrack and IMemory 12441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = createTrack_l(mStreamType, 12451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->sampleRate, 12461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFormat, 12470d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask, 12481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFrameCount, 12491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFlags, 12501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mSharedBuffer, 12511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent getOutput_l(), 12521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent false); 12531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 1255408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t user = cblk->user; 1256408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t server = cblk->server; 12579b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore write index and set other indexes to reflect empty buffer status 1258408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->user = user; 1259408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->server = user; 1260408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->userBase = user; 1261408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->serverBase = user; 12629b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore loop: this is not guaranteed to succeed if new frame count is not 12639b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // compatible with loop length 12649b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 12651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!fromStart) { 12661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1267408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // Make sure that a client relying on callback events indicating underrun or 1268408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the actual amount of audio frames played (e.g SoundPool) receives them. 1269408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (mSharedBuffer == 0) { 1270408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t frames = 0; 1271408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (user > server) { 1272408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent frames = ((user - server) > mCblk->frameCount) ? 1273408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->frameCount : (user - server); 1274408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent memset(mCblk->buffers, 0, frames * mCblk->frameSize); 1275408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1276408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // restart playback even if buffer is not completely filled. 1277408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 1278408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // stepUser() clears CBLK_UNDERRUN_ON flag enabling underrun callbacks to 1279408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the client 1280408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->stepUser(frames); 1281408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 12821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12839b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (mActive) { 12846dbc1359f778575d09d6da722b060a6d72c2e7c5Glenn Kasten result = mAudioTrack->start(0); // callback thread hasn't changed 12855ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 12869b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 12871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (fromStart && result == NO_ERROR) { 12881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 12891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 1292cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent android_atomic_and(~CBLK_RESTORING_ON, &cblk->flags); 12935ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 12941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1295cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = result; 12961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 129738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_RESTORED_ON, &cblk->flags); 12981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 12991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 13001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_RESTORED_MSK)) { 13015ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, waiting for a new one TID %d", gettid()); 13021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 13031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 1304cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent if (result == NO_ERROR) { 1305cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 1306cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent } 13071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 13091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 13105ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, already restored TID %d", gettid()); 1311cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 13121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 13131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13153856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1316e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 13171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 13191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 13201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 13211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 13221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 13231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13245ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 13251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 13271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 13281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 133089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 133189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 133389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 133489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 133589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 133889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1339d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 134089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1341573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 134289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 134389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 134489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 134589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 134689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 134789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 134889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 135089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 135289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 135389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 135489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 135589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 135789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 135889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 135989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 136289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 136389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 136489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 136789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 136889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 137189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 137389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 137454b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1375a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten userBase(0), serverBase(0), buffers(NULL), frameCount(0), 137683d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), mVolumeLR(0x10001000), 137705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 137889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 138089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 138189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 138289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13839054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 138489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 138589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 138689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1387d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 138889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 138989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 139089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 139189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13929054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 13935ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 13949054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 139589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 139789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 139889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 140089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14019054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 140389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 140433797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent if (flags & CBLK_UNDERRUN_MSK) { 140538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_UNDERRUN_MSK, &flags); 140633797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 140789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 140889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 140989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 141338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 14145ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14189054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1421d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 142534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1426c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 142989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 14319054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten if (s > user) { 14325ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 14339054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 143589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 14385ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 143989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 144089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 144289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 144689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14499054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 145089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(flags & CBLK_INVALID_MSK)) { 14521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 14531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 145489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 145589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 145689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 145989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14609054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 146489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 146589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 146689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 146789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 146889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 147089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14719054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 14729054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 147389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1474d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 147589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 147689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 147789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 147889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 147989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 148089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 148189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 148389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14849054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 14859054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 148689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1487d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 148889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 148989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 149089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 149138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 149238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 14935ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 149438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 149538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 149638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 149789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 149838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 149989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 150138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 150289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 150489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 150589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 150689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 150789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 150838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 150938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 151038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 151138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 151238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 151338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 151438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 151538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 151638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 151738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 151838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 151938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 152038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 152138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 152238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 152338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 152438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 152538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 152638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 152789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 152889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1530