AudioTrack.cpp revision c813985abd8ba61e999b3505f6a332574f87a1be
1362c4e697d8e9c034e964ac7b40227e054491547Glenn Kasten/* frameworks/base/media/libmedia/AudioTrack.cpp 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 4689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 4833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 4933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 5033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 5133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int* frameCount, 52fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 5333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afSampleRate; 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int afFrameCount; 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 6533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 6633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 7033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 7333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh afFrameCount * minBufCount * sampleRate / afSampleRate; 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 7689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 7889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 80879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 81879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 8289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 8489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 86fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 88e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 890d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 9089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 9189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 9289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 94be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 95be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 96879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 97879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 990d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 100a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 101a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, false, sessionId); 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 105c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int streamType, 106c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t sampleRate, 107c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int format, 108c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int channelMask, 109c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int frameCount, 110c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber uint32_t flags, 111c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber callback_t cbf, 112c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber void* user, 113c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int notificationFrames, 114c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber int sessionId) 115c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber : mStatus(NO_INIT), 116c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 117c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber{ 118c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber mStatus = set((audio_stream_type_t)streamType, sampleRate, (audio_format_t)format, channelMask, 119c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber frameCount, flags, cbf, user, notificationFrames, 120c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 0, false, sessionId); 121c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber} 122c813985abd8ba61e999b3505f6a332574f87a1beAndreas Huber 123c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 124fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 126e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1270d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 132be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 133be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 134879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 135879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1370d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 138a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, flags, cbf, user, notificationFrames, 139a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent sharedBuffer, false, sessionId); 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1443856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1573a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 162fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 164e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 1650d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 172be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 173be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1791dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 18029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 194fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 195fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 201e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 202fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2040d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2050d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 209fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 21029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 214c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 215fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 216fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin flags |= AUDIO_POLICY_OUTPUT_FLAG_DIRECT; 217c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 218c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2190d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 22029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid channel mask"); 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2230d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 225fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 226fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 227e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 228fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin (audio_policy_output_flags_t)flags); 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 230c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 23129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 232c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 23634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 23705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 238d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 239d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 240be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2412beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 242be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 24334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 246e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 2470d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi (uint32_t)channelMask, 2481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 2511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent output, 2521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent true); 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 26089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 26389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 265e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 2660d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask = (uint32_t)channelMask; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 2709a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2752c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 278cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 279c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 2803a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 281cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = NO_ERROR; 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 297fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 302e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 314d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 317b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kastensize_t AudioTrack::frameSize() const 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 319fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 320671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 321c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 322c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 323c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 336d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t status = NO_ERROR; 33789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3383856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 34229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::start called from thread"); 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 34789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 349f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 3521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IAudioTrack> audioTrack = mAudioTrack; 3531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IMemory> iMem = mCblkMemory; 3541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3569a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 357cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3589a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 36033797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 36338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 3642b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 365879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten t->run("AudioTrackThread", ANDROID_PRIORITY_AUDIO); 3662b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 367879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 368879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousSchedulingGroup = androidGetThreadSchedulingGroup(0); 369879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3702b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3712b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3723856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p before lock cblk %p", this, mCblk); 3731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 3741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 375d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = mAudioTrack->start(); 3761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 37838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 3796100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3802b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 3821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status = restoreTrack_l(cblk, true); 3831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3852b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 3863856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 3879a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 38834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 3892b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->requestExit(); 39034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 391879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 392879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); 39334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 39889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 411f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4129a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4139a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4141dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4192c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4202c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4212c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 430879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 431879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4429a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4439a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4553856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 456c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4572c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4582c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4592c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4602c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 461c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 463cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 474f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4759a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4769a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 48889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 492be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 494f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 495be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 496be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 497be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 502be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000); 503be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 504be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 509be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 510be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 511be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 512be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 513be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 515be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 516be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5172beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 518be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5193856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 52005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 522be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 524be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 525be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 526be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 52705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 530be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 531be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5322beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentvoid AudioTrack::getAuxEffectSendLevel(float* level) 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 534be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 53789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 539573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 544573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 547573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 54889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 550573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 551573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 557573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 57489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 5829b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 5839b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 58429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5889b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 58929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 590d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 592c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart != 0) { 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopStart = mCblk->loopStart; 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopEnd != 0) { 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopEnd = mCblk->loopEnd; 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount != 0) { 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->loopCount < 0) { 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = -1; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = mCblk->loopCount; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6272c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6669a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6679a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 6689a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten Mutex::Autolock _l(mCblk->lock); 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 67338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 674c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 6811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 682cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6919a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 692c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 695d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 700c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 701c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 709fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 7100d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mCblk->sampleRate, mFormat, mChannelMask, (audio_policy_output_flags_t)mFlags); 711c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 712c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 713be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioTrack::getSessionId() 714be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 715be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 716be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 717be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 718be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 719be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7203856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7212beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 726be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 727be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 732fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 73334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 734e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 7350d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask, 73634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 73734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t flags, 73834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 739d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent audio_io_handle_t output, 740d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent bool enforceFrameCount) 74134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 74234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 74334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 74434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 74529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audioflinger"); 74634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 74734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 74834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 749d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afSampleRate; 750d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 751d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 752d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 753d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afFrameCount; 754d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 755d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 756d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 757d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 758d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 759d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 760d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 761d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 762d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 763fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 764d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 765d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 766d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 767d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 768d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 769d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 770d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 771d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 772d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 773d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 774d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer == 0) { 775d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount == 0) { 776d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 777d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 778d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct == 0) { 779d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 780d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 781d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Make sure that application is notified with sufficient margin 782d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // before underrun 783d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 784d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 785d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 786d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount < minFrameCount) { 787d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (enforceFrameCount) { 78829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 789d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 790d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 791d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 792d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 793d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 794d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 795d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer alignment matches channelcount 7960d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelCount = popcount(channelMask); 797d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 79829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 799d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 800d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 801d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 802d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 803d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 804d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 80534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 80634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 80734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 80834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 8090d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 81034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 81134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent ((uint16_t)flags) << 16, 81234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 81334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 814be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 81534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 81634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 81734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 81829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 81934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 82034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 82234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 82329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 82434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 82534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 82734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 82834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 82938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags); 83034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 83134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 83234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 83334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 83434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // Force buffer full condition as data is already present in shared memory 835d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 83634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 83734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 838be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000); 83905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(mSendLevel); 8402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 8416100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 8426100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 843d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 844d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 84534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 84634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 84734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 84989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8519a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 852d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 85389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 85489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 8551dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 85989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 86089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 86189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8629b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 8639b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 8649b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 8659b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 8669b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 8679b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 86889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 86934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 87089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 873f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 8743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 87534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 87689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 87789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 878f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 87934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 88089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 88134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 882d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 8831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 884d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 8851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 8861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 8879a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 8881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 8891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 8901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 891d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 8921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 893d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 894d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 895d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 896f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 8971dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 90189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 9025ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 90389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 904c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 90634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = mAudioTrack->start(); 9071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 90834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 90938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 910d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 9111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = restoreTrack_l(cblk, false); 9121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 9131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 9145ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 9151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 91734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 92089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 921c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 92289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 92334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 92489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 92589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 92889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93444d9848d6656777a18019223e0d35f2fcc67719aEric Laurent // restart track if it was disabled by audioflinger due to previous underrun 9351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) { 93638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 9375ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer() track %p disabled, restarting", this); 93838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent mAudioTrack->start(); 93944d9848d6656777a18019223e0d35f2fcc67719aEric Laurent } 94044d9848d6656777a18019223e0d35f2fcc67719aEric Laurent 94189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 942c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 94389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 94489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 94589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 94689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 94789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 94889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 94989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 954c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 955c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 956c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 957c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 958fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 959fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audioBuffer->format = AUDIO_FORMAT_PCM_16_BIT; 960c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 961c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 962c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 963c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->stepUser(audioBuffer->frameCount); 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 97789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 97889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 98089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 98329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 98689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9883856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 98989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 9911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 9921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 9931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IAudioTrack> audioTrack = mAudioTrack; 9941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IMemory> iMem = mCblkMemory; 9951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 9961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1000b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 100333797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1004c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 101289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1016c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1017fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10263302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 103533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 103989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 104189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 10491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 10501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 10511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IAudioTrack> audioTrack = mAudioTrack; 10521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IMemory> iMem = mCblkMemory; 10531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 10549a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 10551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 10589a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (active && (cblk->framesAvailable() == cblk->frameCount)) { 10593856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 106038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_UNDERRUN_ON, &cblk->flags) & CBLK_UNDERRUN_MSK)) { 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 10621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1063c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 106689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1068c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 10701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 10792c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 10801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 10822c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1087c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 10881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 109689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11012267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 11022267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 11032267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 11042267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 11052267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1109c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1110c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 1111c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 1112c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 11132267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 111629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 112289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 1126fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 11358555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 11368555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 11378555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 11388555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 11398555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 11408555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 11418555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 11428555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1145fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 114689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1157c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1158b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten // 8 bit PCM data: in this case, mCblk->frameSize is based on a sample size of 1159c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1160c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1161c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 116289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 116389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 116689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1169d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 117089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 117289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 117589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 11771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 11781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioTrack is successfully restored, the cblk pointer is updated 11791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& cblk, bool fromStart) 11801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 11811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 11821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 118338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) { 11845ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, creating a new one from %s TID %d", 1185cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent fromStart ? "start()" : "obtainBuffer()", gettid()); 11861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 11881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 11891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 11901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 11911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11929f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // refresh the audio configuration cache in this process to make sure we get new 11939f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // output parameters in getOutput_l() and createTrack_l() 11949f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent AudioSystem::clearAudioConfigCache(); 11959f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 11961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioTrack is created, createTrack_l() will modify the 11971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioTrack, mCblkMemory and mCblk. 11981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioTrack and IMemory 11991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = createTrack_l(mStreamType, 12001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->sampleRate, 12011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFormat, 12020d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask, 12031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFrameCount, 12041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFlags, 12051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mSharedBuffer, 12061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent getOutput_l(), 12071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent false); 12081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 1210408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t user = cblk->user; 1211408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t server = cblk->server; 12129b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore write index and set other indexes to reflect empty buffer status 1213408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->user = user; 1214408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->server = user; 1215408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->userBase = user; 1216408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->serverBase = user; 12179b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore loop: this is not guaranteed to succeed if new frame count is not 12189b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // compatible with loop length 12199b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 12201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!fromStart) { 12211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1222408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // Make sure that a client relying on callback events indicating underrun or 1223408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the actual amount of audio frames played (e.g SoundPool) receives them. 1224408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (mSharedBuffer == 0) { 1225408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t frames = 0; 1226408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (user > server) { 1227408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent frames = ((user - server) > mCblk->frameCount) ? 1228408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->frameCount : (user - server); 1229408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent memset(mCblk->buffers, 0, frames * mCblk->frameSize); 1230408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1231408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // restart playback even if buffer is not completely filled. 1232408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 1233408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // stepUser() clears CBLK_UNDERRUN_ON flag enabling underrun callbacks to 1234408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the client 1235408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->stepUser(frames); 1236408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 12371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12389b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (mActive) { 12399b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent result = mAudioTrack->start(); 12405ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 12419b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 12421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (fromStart && result == NO_ERROR) { 12431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 12441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 1247cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent android_atomic_and(~CBLK_RESTORING_ON, &cblk->flags); 12485ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 12491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1250cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = result; 12511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 125238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_RESTORED_ON, &cblk->flags); 12531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 12541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 12551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_RESTORED_MSK)) { 12565ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, waiting for a new one TID %d", gettid()); 12571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 12581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 1259cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent if (result == NO_ERROR) { 1260cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 1261cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent } 12621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 12631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 12641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 12655ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("dead IAudioTrack, already restored TID %d", gettid()); 1266cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 12671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 12681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 12711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 12721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 12741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 12751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 12761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 12781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12795ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 12801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 12821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 12831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1294d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 129589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1296573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 129789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 129889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 129989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 130089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 130189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 130289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 130589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 131289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 131389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 131489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 131589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 131789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 132689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 132889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 132954b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 133054b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 133154b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 133205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 133389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 133489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 133589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13389054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1342d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 134389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 134489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 134589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 134689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13479054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 13485ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 13499054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 135089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 135189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 135389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 135489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 135589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13569054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 135789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 135933797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent if (flags & CBLK_UNDERRUN_MSK) { 136038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_UNDERRUN_MSK, &flags); 136133797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 136289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 136489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 136789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 136838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 13695ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 137089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 137189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 137289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13739054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 137489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1376d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 137789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 137889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 138034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1381c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 138289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 138389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 138489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 138589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 13869054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten if (s > user) { 13875ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 13889054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 138989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 139089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 139189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 139289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 13935ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 139489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 139589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 139789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 139889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 140089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 140189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 140389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14049054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 140589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(flags & CBLK_INVALID_MSK)) { 14071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 14081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 140989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14159054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14269054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 14279054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1429d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 143189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 143389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 143589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14399054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 14409054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1442d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 144489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 144638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 144738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 14485ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 144938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 145038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 145138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 145289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 145338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 145489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 145538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 145638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 145789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 145889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 145989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 146089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 146438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 146538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 146638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 146738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 146838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 146938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 147038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 147138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 147238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 147338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 147438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 147538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 147638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 147738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 147838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 147938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 148038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 148138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 148389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1485