AudioTrack.cpp revision 9a2aaf927e56a4b4acab23ef16b3f133a9f48a63
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, 5233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh int 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( 8689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 8789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 8889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int 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( 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 1080d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 113be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 114be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 115879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 116879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority(ANDROID_PRIORITY_NORMAL), mPreviousSchedulingGroup(ANDROID_TGROUP_DEFAULT) 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1180d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 119a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent 0, flags, cbf, user, notificationFrames, 120a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent sharedBuffer, false, sessionId); 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1253856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1383a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int streamType, 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int format, 1460d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelMask, 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t flags, 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 153be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 154be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), sharedBuffer->size()); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1601dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Track already in use"); 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSampleRate; 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t afLatency; 17089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 175fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 176fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (format == 0) { 183fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1850d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 1860d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 190fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Invalid format"); 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 194c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 195c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 196fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 197fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin flags |= AUDIO_POLICY_OUTPUT_FLAG_DIRECT; 198c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 199c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2000d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 201c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Invalid channel mask"); 20289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2040d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 206fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 207fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin (audio_stream_type_t)streamType, 2080d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi sampleRate,format, channelMask, 209fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin (audio_policy_output_flags_t)flags); 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 211c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 212c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent LOGE("Could not get audio output for stream type %d", streamType); 213c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 21734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 218be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = 0; 219d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 220d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 221be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 223be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 22434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 2270d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi (uint32_t)format, 2280d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi (uint32_t)channelMask, 2291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 2321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent output, 2331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent true); 23489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 23534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 23689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 23789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 23834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 23989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cbf != 0) { 24089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 24189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread == 0) { 24289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("Could not create callback thread"); 24389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_INIT; 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 24689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 24889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 2500d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mFormat = (uint32_t)format; 2510d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask = (uint32_t)channelMask; 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mChannelCount = channelCount; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 2559a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf = cbf; 25789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 2602c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 26189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 26289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 263cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 264c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mFlags = flags; 2653a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 266cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = NO_ERROR; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 26889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 27189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::streamType() const 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::format() const 28889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::channelCount() const 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 29689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::frameCount() const 29889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 299d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return mCblk->frameCount; 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 30189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectint AudioTrack::frameSize() const 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 304fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 305671a636931295d9c33ffca74551a804479d01241Eric Laurent return channelCount()*audio_bytes_per_sample(mFormat); 306c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 307c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return sizeof(uint8_t); 308c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 321d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t status = NO_ERROR; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->exitPending()) { 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t->requestExitAndWait() == WOULD_BLOCK) { 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::start called from thread"); 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return; 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 334f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 3371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IAudioTrack> audioTrack = mAudioTrack; 3381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IMemory> iMem = mCblkMemory; 3391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3419a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 342cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3439a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 34533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 34838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 3492b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 350879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten t->run("AudioTrackThread", ANDROID_PRIORITY_AUDIO); 3512b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 352879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 353879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousSchedulingGroup = androidGetThreadSchedulingGroup(0); 354879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3552b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3562b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 3573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p before lock cblk %p", this, mCblk); 3581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 3591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 360d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent status = mAudioTrack->start(); 3611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 36338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 3646100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3652b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 3671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status = restoreTrack_l(cblk, true); 3681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3702b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 3713856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 3729a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 37334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 3742b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent t->requestExit(); 37534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 376879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 377879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); 37834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3913856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.lock(); 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 39589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 396f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3979a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 3989a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 3991dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4042c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4052c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4062c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 40789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->requestExit(); 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 415879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 416879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadSchedulingGroup(0, mPreviousSchedulingGroup); 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project t->mLock.unlock(); 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4279a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4289a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 441c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4422c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4432c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4442c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4452c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 446c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 448cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4583856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 459f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4609a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4619a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 46889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 46989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 47089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 47289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 47489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 477be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 479f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 480be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 481be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 482be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 48689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // write must be atomic 488be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000); 489be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 490be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::getVolume(float* left, float* right) 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 495be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (left != NULL) { 496be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *left = mVolume[LEFT]; 497be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 498be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (right != NULL) { 499be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *right = mVolume[RIGHT]; 500be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 501be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 502be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5032beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 504be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 506be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level > 1.0f) { 507be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 508be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5091703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 510be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 511be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 512be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 513be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(level * 0x1000); 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 515be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 516be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 517be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5182beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentvoid AudioTrack::getAuxEffectSendLevel(float* level) 519be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 520be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 521be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 522be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 52389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 52489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 525573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurentstatus_t AudioTrack::setSampleRate(int rate) 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 52789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int afSamplingRate; 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 530573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 53189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 53289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 533573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent if (rate <= 0 || rate > afSamplingRate*2 ) return BAD_VALUE; 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 536573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 537573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 53889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::getSampleRate() 54189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 543573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5521703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 55589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 56289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 5689b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent loopEnd - loopStart > cblk->frameCount || 5699b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 570d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, user %d", loopStart, loopEnd, loopCount, cblk->frameCount, cblk->user); 57189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 57289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 57389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5749b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if ((mSharedBuffer != 0) && (loopEnd > cblk->frameCount)) { 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, framecount %d", 576d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent loopStart, loopEnd, cblk->frameCount); 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 578c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getLoop(uint32_t *loopStart, uint32_t *loopEnd, int *loopCount) 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart != 0) { 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopStart = mCblk->loopStart; 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopEnd != 0) { 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopEnd = mCblk->loopEnd; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount != 0) { 59889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCblk->loopCount < 0) { 59989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = -1; 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *loopCount = mCblk->loopCount; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 60689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6132c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (marker == 0) return BAD_VALUE; 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mCbf == 0) return INVALID_OPERATION; 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (updatePeriod == 0) return BAD_VALUE; 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6529a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 6539a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 6549a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten Mutex::Autolock _l(mCblk->lock); 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position > mCblk->user) return BAD_VALUE; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->server = position; 65938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 660c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (position == 0) return BAD_VALUE; 6671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 668cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6779a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!stopped_l()) return INVALID_OPERATION; 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 6791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 681d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 686c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 687c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 6881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 6901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 6911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 6921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 6931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 6941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 695fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin return AudioSystem::getOutput((audio_stream_type_t)mStreamType, 6960d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mCblk->sampleRate, mFormat, mChannelMask, (audio_policy_output_flags_t)mFlags); 697c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 699be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentint AudioTrack::getSessionId() 700be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 701be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 702be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 703be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 704be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 705be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7072beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7082beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7092beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7102beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7112beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 712be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 713be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 71834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int streamType, 71934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 7200d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t format, 7210d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelMask, 72234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent int frameCount, 72334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t flags, 72434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 725d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent audio_io_handle_t output, 726d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent bool enforceFrameCount) 72734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 72834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 72934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 73034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 73134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get audioflinger"); 73234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 73334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 73434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 735d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afSampleRate; 736d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 737d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 738d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 739d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int afFrameCount; 740d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 741d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 742d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 743d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 744d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 745d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 746d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 747d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 748d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 749fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 750d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 751d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 752d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 753d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 754d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 755d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 756d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 757d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 758d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent int minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 759d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 760d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer == 0) { 761d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount == 0) { 762d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 763d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 764d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct == 0) { 765d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 766d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 767d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Make sure that application is notified with sufficient margin 768d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // before underrun 769d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (mNotificationFramesAct > (uint32_t)frameCount/2) { 770d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = frameCount/2; 771d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 772d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (frameCount < minFrameCount) { 773d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (enforceFrameCount) { 774d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer size: minFrameCount %d, frameCount %d", minFrameCount, frameCount); 775d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 776d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 777d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = minFrameCount; 778d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 779d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 780d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } else { 781d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer alignment matches channelcount 7820d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi int channelCount = popcount(channelMask); 783d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (((uint32_t)sharedBuffer->pointer() & (channelCount | 1)) != 0) { 784d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent LOGE("Invalid buffer alignement: address %p, channelCount %d", sharedBuffer->pointer(), channelCount); 785d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return BAD_VALUE; 786d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 787d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size()/channelCount/sizeof(int16_t); 788d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 789d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 790d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 79134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 79234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 79334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 79434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent format, 7950d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask, 79634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 79734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent ((uint16_t)flags) << 16, 79834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 79934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 800be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 80134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 80234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 80334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 80434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("AudioFlinger could not create track, status: %d", status); 80534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 80634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 80734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IMemory> cblk = track->getCblk(); 80834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (cblk == 0) { 80934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent LOGE("Could not get control block"); 81034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 81134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 81234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 81334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblkMemory = cblk; 81434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk = static_cast<audio_track_cblk_t*>(cblk->pointer()); 81538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_DIRECTION_OUT, &mCblk->flags); 81634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 81734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = (char*)mCblk + sizeof(audio_track_cblk_t); 81834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 81934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mCblk->buffers = sharedBuffer->pointer(); 82034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // Force buffer full condition as data is already present in shared memory 821d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mCblk->stepUser(mCblk->frameCount); 82234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 82334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 824be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->volumeLR = (uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | uint16_t(mVolume[LEFT] * 0x1000); 825be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mCblk->sendLevel = uint16_t(mSendLevel * 0x1000); 8262beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 8276100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 8286100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent mCblk->waitTimeMs = 0; 829d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 830d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mLatency = afLatency + (1000*mCblk->frameCount) / sampleRate; 83134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 83234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 83334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 8361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8379a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 838d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 8411dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 84289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesAvail = cblk->framesAvailable(); 84789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8489b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 8499b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 8509b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 8519b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 8529b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 8539b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 85489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 85534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 85889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 859f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 8603856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 86134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 86289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 86389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 864f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 86534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 86689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 86734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 868d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (!(cblk->flags & CBLK_INVALID_MSK)) { 8691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 870d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 8711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 8721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 8739a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 8741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 8751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 8761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 877d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 8781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 879d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (cblk->flags & CBLK_INVALID_MSK) { 880d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 881d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 882f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 8831dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 88489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 88589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 88689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 88789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW( "obtainBuffer timed out (is the CPU pegged?) %p " 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project "user=%08x, server=%08x", this, cblk->user, cblk->server); 890c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 89189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 89234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent result = mAudioTrack->start(); 8931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 89434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 89538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_INVALID_ON, &cblk->flags); 896d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 8971703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = restoreTrack_l(cblk, false); 8981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 8991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 9001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent LOGW("obtainBuffer create Track error %d", result); 9011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 9021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 90334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 90489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 90589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 90689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 907c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 90934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 91089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 91189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 91489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesAvail = cblk->framesAvailable_l(); 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 91989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 92044d9848d6656777a18019223e0d35f2fcc67719aEric Laurent // restart track if it was disabled by audioflinger due to previous underrun 9211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (mActive && (cblk->flags & CBLK_DISABLED_MSK)) { 92238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_DISABLED_ON, &cblk->flags); 92338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent LOGW("obtainBuffer() track %p disabled, restarting", this); 92438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent mAudioTrack->start(); 92544d9848d6656777a18019223e0d35f2fcc67719aEric Laurent } 92644d9848d6656777a18019223e0d35f2fcc67719aEric Laurent 92789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 928c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 92989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 93089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 93189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t bufferEnd = cblk->userBase + cblk->frameCount; 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 93689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u + framesReq > bufferEnd) { 93789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 93889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 93989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 940c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->flags = mMuted ? Buffer::MUTE : 0; 941c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->channelCount = mChannelCount; 942c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 943c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->size = framesReq * cblk->frameSize; 944fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (audio_is_linear_pcm(mFormat)) { 945fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audioBuffer->format = AUDIO_FORMAT_PCM_16_BIT; 946c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } else { 947c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->format = mFormat; 948c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 949c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->raw = (int8_t *)cblk->buffer(u); 95089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 95189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 95289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 95489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 95589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->stepUser(audioBuffer->frameCount); 95889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 96189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 96389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return INVALID_OPERATION; 96689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // sanity-check. user is most-likely passing an error code. 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 97189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 97389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9743856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 97589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 9771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 9781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 9791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IAudioTrack> audioTrack = mAudioTrack; 9801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IMemory> iMem = mCblkMemory; 9811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 9821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 98489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 98589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 98633797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent size_t frameSz = (size_t)frameSize(); 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 98933797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 990c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Calling obtainBuffer() with a negative wait count causes 99289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // an (almost) infinite wait time. 99389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 99689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(NO_MORE_BUFFERS)) 99789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 99889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 99989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 100089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1002c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1003fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = toWrite; 100889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = (int16_t *)(audioBuffer.i8); 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 101089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst++ = (int16_t)(*src++^0x80) << 8; 101189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 10123302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 101389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project src += toWrite; 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 102133797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 102289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 102789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 102989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 103089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 103189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 103289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 103389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 10351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 10361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 10371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IAudioTrack> audioTrack = mAudioTrack; 10381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sp <IMemory> iMem = mCblkMemory; 10391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 10409a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 10411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 10421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 10449a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (active && (cblk->framesAvailable() == cblk->frameCount)) { 10453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 104638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_UNDERRUN_ON, &cblk->flags) & CBLK_UNDERRUN_MSK)) { 104789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 10481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server == cblk->frameCount) { 1049c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) return false; 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1054c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 10561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 105989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 10652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 10661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 106789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 10682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1073c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 10741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 107689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 107889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 108489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10872267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 10882267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 10892267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 10902267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 10912267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1095c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1096c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // Calling obtainBuffer() with a wait count of 1 1097c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // limits wait time to WAIT_PERIOD_MS. This prevents from being 1098c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // stuck here not being able to handle timed events (position, markers, loops). 10992267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 11021dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent LOGE_IF(err != status_t(NO_MORE_BUFFERS), "Error obtaining an audio buffer, giving up."); 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err == status_t(STOPPED)) return false; 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 111189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 1112fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 111389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 111489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 111589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 111689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 111789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 111889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 111989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 11218555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 11228555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 11238555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 11248555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 11258555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 11268555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 11278555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 11288555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (writtenSize > reqSize) writtenSize = reqSize; 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1131fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT)) { 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // 8 to 16 bit conversion 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = audioBuffer.i8 + writtenSize-1; 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int count = writtenSize; 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int16_t *dst = audioBuffer.i16 + writtenSize-1; 113689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while(count--) { 113789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *dst-- = (int16_t)(*src--^0x80) << 8; 113889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1143c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // NOTE: mCblk->frameSize is not equal to AudioTrack::frameSize() for 1144c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 8 bit PCM data: in this case, mCblk->frameSize is based on a sampel size of 1145c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 1146c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer.frameCount = writtenSize/mCblk->frameSize; 1147c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 115389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1155d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 115689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 115789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock and cblk.lock held. Callers must also hold strong references on 11631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 11641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// If the IAudioTrack is successfully restored, the cblk pointer is updated 11651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& cblk, bool fromStart) 11661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 11671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 11681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 116938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!(android_atomic_or(CBLK_RESTORING_ON, &cblk->flags) & CBLK_RESTORING_MSK)) { 1170cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent LOGW("dead IAudioTrack, creating a new one from %s TID %d", 1171cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent fromStart ? "start()" : "obtainBuffer()", gettid()); 11721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition so that other threads waiting for available buffers stop 11741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // waiting now 11751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 11761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 11771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11789f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // refresh the audio configuration cache in this process to make sure we get new 11799f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent // output parameters in getOutput_l() and createTrack_l() 11809f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent AudioSystem::clearAudioConfigCache(); 11819f6530f53ae9eda43f4e7c1cb30d2379db00aa00Eric Laurent 11821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // if the new IAudioTrack is created, createTrack_l() will modify the 11831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // following member variables: mAudioTrack, mCblkMemory and mCblk. 11841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // It will also delete the strong references on previous IAudioTrack and IMemory 11851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = createTrack_l(mStreamType, 11861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->sampleRate, 11871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFormat, 11880d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mChannelMask, 11891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFrameCount, 11901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mFlags, 11911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mSharedBuffer, 11921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent getOutput_l(), 11931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent false); 11941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 11951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 1196408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t user = cblk->user; 1197408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t server = cblk->server; 11989b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore write index and set other indexes to reflect empty buffer status 1199408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->user = user; 1200408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->server = user; 1201408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->userBase = user; 1202408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->serverBase = user; 12039b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // restore loop: this is not guaranteed to succeed if new frame count is not 12049b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent // compatible with loop length 12059b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 12061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!fromStart) { 12071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1208408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // Make sure that a client relying on callback events indicating underrun or 1209408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the actual amount of audio frames played (e.g SoundPool) receives them. 1210408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (mSharedBuffer == 0) { 1211408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent uint32_t frames = 0; 1212408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent if (user > server) { 1213408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent frames = ((user - server) > mCblk->frameCount) ? 1214408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->frameCount : (user - server); 1215408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent memset(mCblk->buffers, 0, frames * mCblk->frameSize); 1216408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1217408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // restart playback even if buffer is not completely filled. 1218408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent android_atomic_or(CBLK_FORCEREADY_ON, &mCblk->flags); 1219408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // stepUser() clears CBLK_UNDERRUN_ON flag enabling underrun callbacks to 1220408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent // the client 1221408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent mCblk->stepUser(frames); 1222408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 12231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12249b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent if (mActive) { 12259b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent result = mAudioTrack->start(); 1226cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent LOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 12279b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 12281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (fromStart && result == NO_ERROR) { 12291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = mCblk->server + mUpdatePeriod; 12301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 1233cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent android_atomic_and(~CBLK_RESTORING_ON, &cblk->flags); 1234cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent LOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 12351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1236cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent mRestoreStatus = result; 12371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // signal old cblk condition for other threads waiting for restore completion 123838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_or(CBLK_RESTORED_ON, &cblk->flags); 12391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->cv.broadcast(); 12401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 12411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(cblk->flags & CBLK_RESTORED_MSK)) { 1242cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent LOGW("dead IAudioTrack, waiting for a new one TID %d", gettid()); 12431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 12441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(RESTORE_TIMEOUT_MS)); 1245cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent if (result == NO_ERROR) { 1246cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 1247cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent } 12481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 12491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 12501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } else { 1251cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent LOGW("dead IAudioTrack, already restored TID %d", gettid()); 1252cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent result = mRestoreStatus; 12531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 12541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 12571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent result, mActive, mCblk, cblk, mCblk->flags, cblk->flags); 12581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 12601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 12611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk = mCblk; 12621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 12631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 12641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1265cfe2ba6b01a258e39f9c215ffc7b750e0b68f708Eric Laurent LOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d TID %d", result, gettid()); 12661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 12681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 12691703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 127289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 127589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, mVolume[0], mVolume[1]); 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1280d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, mChannelCount, mCblk->frameCount); 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1282573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent snprintf(buffer, 255, " sample rate(%d), status(%d), muted(%d)\n", (mCblk == 0) ? 0 : mCblk->sampleRate, mStatus, mMuted); 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project : Thread(bCanCallJava), mReceiver(receiver) 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 129589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 129689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 129889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 129989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mReceiver.processAudioBuffer(this); 130089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 130189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::AudioTrackThread::readyToRun() 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 130489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 130589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 130689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::AudioTrackThread::onFirstRef() 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 131289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 131489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 131554b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 131654b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian userBase(0), serverBase(0), buffers(0), frameCount(0), 131754b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), volumeLR(0), 131838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent sendLevel(0), flags(0) 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::stepUser(uint32_t frameCount) 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13249054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project u += frameCount; 132789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1328d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 133089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 133189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 133289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13339054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 13349054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten LOGW("stepServer occurred after track reset"); 13359054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 133689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u >= userBase + this->frameCount) { 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userBase += this->frameCount; 134089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13429054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 134389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 134533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent if (flags & CBLK_UNDERRUN_MSK) { 134638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent android_atomic_and(~CBLK_UNDERRUN_MSK, &flags); 134733797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 134889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 135089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 135189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool audio_track_cblk_t::stepServer(uint32_t frameCount) 135389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 135438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 135538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent LOGW("stepServer() could not lock cblk"); 135689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 135789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 135889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13599054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 136089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s += frameCount; 1362d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 136389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 136489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 136589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 136634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1367c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 136889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 136989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 137089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 137189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 13729054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten if (s > user) { 13739054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten LOGW("stepServer occurred after track reset"); 13749054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 137589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 137689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 137789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project LOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 138089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 138189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 138289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 138389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 138489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 138589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 138689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= serverBase + this->frameCount) { 138789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project serverBase += this->frameCount; 138889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 138989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13909054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 139189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (!(flags & CBLK_INVALID_MSK)) { 13931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 13941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 139589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 139789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 139889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid* audio_track_cblk_t::buffer(uint32_t offset) const 140089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14019054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 140389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 140489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable() 140589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 140689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 140789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return framesAvailable_l(); 140889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 140989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesAvailable_l() 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14129054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 14139054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1415d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 141889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t audio_track_cblk_t::framesReady() 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14259054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 14269054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1428d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (flags & CBLK_DIRECTION_MSK) { 142989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 143189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 143238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 143338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 143438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent LOGW("framesReady() could not lock cblk"); 143538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 143638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 143738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 143938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 144089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 144238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 144589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 144689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 144889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 145038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 145138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 145238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 145338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 145438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 145538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 145638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 145738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 145838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 145938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 146038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 146138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 146238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 146338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 146438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 146538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 146638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 146738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 146889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 146989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 147089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1471