AudioTrack.cpp revision bb6f0a0bb413817d707cfb4c4a30847fda520787
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <stdint.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/types.h> 2489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <limits.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sched.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <private/media/AudioTrackShared.h> 3089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioSystem.h> 3289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 3389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 357562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/Parcel.h> 367562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Timers.h> 3838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent#include <utils/Atomic.h> 3989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin#include <cutils/bitops.h> 41f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten#include <cutils/compiler.h> 42fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 4364760240f931714858a59c1579f07264d7182ba2Dima Zavin#include <system/audio.h> 447394a4f358fa9908a9f0a7c954b65c399f4268e6Dima Zavin#include <system/audio_policy.h> 45fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 46511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten#include <audio_utils/primitives.h> 47511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 4889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 4933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 5033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 5133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 5233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 53e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 54fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 57d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 58d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 59d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6004cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 6104cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten // default to 0 in case of error 6204cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten *frameCount = 0; 6304cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 64e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 65e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 66e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 67e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 68e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 69e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 703b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 7133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 7233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 74e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputFrameCount(&afFrameCount, streamType) != NO_ERROR) { 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 7933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (AudioSystem::getOutputLatency(&afLatency, streamType) != NO_ERROR) { 8033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_INIT; 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 8433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 8533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh if (minBufCount < 2) minBufCount = 2; 8633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 88e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 9133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 9233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 9389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 97879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 984ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 994ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 100e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT), 101e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy(NULL) 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 106fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 108e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 10928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1110ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 114be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 115be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 116879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1174ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1184ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 119e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT), 120e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy(NULL) 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1220d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 123a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 12417a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 128fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 130e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 136be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 137be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 138879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1394ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1404ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 141e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mPreviousSchedulingGroup(SP_DEFAULT), 142e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy(NULL) 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 144083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (sharedBuffer == 0) { 145083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten ALOGE("sharedBuffer must be non-0"); 146083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten mStatus = BAD_VALUE; 147083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return; 148083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 1490d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 15017a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 15117a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten sharedBuffer, false /*threadCanCallJava*/, sessionId); 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1703a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 172e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten delete mProxy; 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 176fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 178e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 17928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 180e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1810ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 186be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 187be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 189e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 190e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 191e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 192e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 193e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 194e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 19785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 199e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2001a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2021dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 20329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 208fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 209fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 211ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2133b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 214e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 215e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 216e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 219e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 220ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 222e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 223fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 22489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2250d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2260d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 22789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 22889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 230fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 23129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 23289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 23389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 235e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 236e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 237e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 238e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 239e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 240e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 242fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2430ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2450ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 246c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2471948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2481948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2491948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2501948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 251c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2520d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 25328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 256a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2570d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 258a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 260e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 261e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 262e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 263e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 264e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 265e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 266e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 267e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 268fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 269fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 270e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 27118868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 27289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 273c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 27429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 275c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 27934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 28005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 281d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 282b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 283d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 284be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2852beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 286093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 2874a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 288be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 289a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 290896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 291a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 292a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 293a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 29434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 297e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 2981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 3001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 301291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten output); 302a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 30334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 304a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 305a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->requestExit(); 306a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 307a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 31034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 31289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 314e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 31583a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 3179a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3212c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 324cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3253a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 33289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3353856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 337f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 340e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 341e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3449a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 345cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3469a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 34833797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 3519c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 3522b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->resume(); 3542b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 355879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 356a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 357879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3582b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3592b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 360d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("start %p before lock cblk %p", this, cblk); 361d3a9ff4b725de612bf0354c035ba8f8564dbc6e8Glenn Kasten status_t status = NO_ERROR; 3629c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 3631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioTrack->start()"); 3653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten status = mAudioTrack->start(); 3661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 3689c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 3696100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3702b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3719c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 372d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 37322eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten status = restoreTrack_l(temp, true /*fromStart*/); 374d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 3751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 3761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3772b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 3783856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 3799a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 38034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 3813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 38234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 383879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 384a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 38534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3953856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 397f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3989a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 3999a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4001dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4052c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4062c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4072c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 4104bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 4153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 417879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 418a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4269a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4279a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4334bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten if (!mActive && mSharedBuffer == 0) { 4344bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten flush_l(); 4354bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 4361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4403856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 4414bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten ALOG_ASSERT(!mActive); 442c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4432c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4442c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4452c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4462c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 447c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4484bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mFlushed = true; 4494bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 4504bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten // Release AudioTrack callback thread in case it was waiting for new buffers 4514bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten // in AudioTrack::obtainBuffer() 4524bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mCblk->cv.signal(); 45389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4573856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 458f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4599a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4609a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 461192cbbad773979a6fe3b5a0c223356de4fc3309cEric Laurent mCblk->cv.signal(); 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 46389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 466be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 468e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (mStatus != NO_ERROR) { 469e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mStatus; 470e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 471e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten ALOG_ASSERT(mProxy != NULL); 472e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 473f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 474be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 475be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 476be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 481e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 482be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 483be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 486b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 48789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 488b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 489be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 490be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 4912beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 492be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 4933856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 494e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 495e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (mStatus != NO_ERROR) { 496e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mStatus; 497e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 498e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten ALOG_ASSERT(mProxy != NULL); 499e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 50005632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 501be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 502be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 504be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 505be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 506e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 507be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 508be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 509be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 510be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 511a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 512be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 513be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 514be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 515be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5183b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 51989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5203b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSamplingRate; 52189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5224ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5234ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5244ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5254ff14bae91075eb274eb1c2975982358946e7e63John Grossman 52689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 527573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 52889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 52989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 530d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 531d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 532d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 535e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 536e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 537e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 538573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 53989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 541a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5434ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5443b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5454ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5464ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 548e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 560083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 561083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 562083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 563083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 5649c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (loopCount < 0 && loopCount != -1) { 5659c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 5669c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 5679c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 5689c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten#if 0 5699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten // This will be for the new interpretation of loopStart and loopEnd 5709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 5719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (loopCount != 0) { 5729c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (loopStart >= mFrameCount || loopEnd >= mFrameCount || loopStart >= loopEnd) { 5739c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 5749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 5759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten uint32_t periodFrames = loopEnd - loopStart; 5769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (periodFrames < PERIOD_FRAMES_MIN) { 5779c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 5789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 5799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 5809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 5819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten // The remainder of this code still uses the old interpretation 5829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten#endif 5839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 58489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 597b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten loopEnd - loopStart > mFrameCount || 5989b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 59985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, " 600b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten "user %d", loopStart, loopEnd, loopCount, mFrameCount, cblk->user); 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 604b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if ((mSharedBuffer != 0) && (loopEnd > mFrameCount)) { 60585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, " 60685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "framecount %d", 607b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten loopStart, loopEnd, mFrameCount); 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 609c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 621d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 622d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 623d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6262c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 631a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 633d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 634d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 635d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 644d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 645d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 646d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 65189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 65289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 656a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 658d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 659d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 660d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 669083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 670d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 671d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6724ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 675d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (!stopped_l()) { 676d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 677d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6789a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 6799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten#if 0 6809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten // This will be for the new interpretation of position 6819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position >= mFrameCount) { 6839c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 6849c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 6859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 6869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten // The remainder of this code still uses the old interpretation 6879c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten#endif 6889c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 689d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 690d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten Mutex::Autolock _l(cblk->lock); 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 692d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position > cblk->user) { 693d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 694d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 696d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->server = position; 697d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &cblk->flags); 698c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 704d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 705d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 706d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 708cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7139c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten#if 0 7149c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kastenstatus_t AudioTrack::getBufferPosition(uint32_t *position) 7159c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7169c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7179c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7189c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7199c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 7209c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7219c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7229c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten *position = 0; 7239c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7249c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 7259c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 7269c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten#endif 7279c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 730e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (mStatus != NO_ERROR) { 731e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mStatus; 732e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 733e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten ALOG_ASSERT(mProxy != NULL); 734e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 735083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 736083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 737083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 738083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 7391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 741d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (!stopped_l()) { 742d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 743d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 744c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 747e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten (void) mProxy->stepUser(mFrameCount); 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 752c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 753c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 761fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 762e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, mFormat, mChannelMask, mFlags); 763c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 764c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 765be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 766be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7673856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7682beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7692beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7702beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7712beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7722beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 773be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 774be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 779fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 78034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 781e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 782e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 7830ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 78434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 785291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten audio_io_handle_t output) 78634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 78734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 78834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 78934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 790e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 791e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 79234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 79334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 794d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7951a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getLatency(output, streamType, &afLatency) != NO_ERROR) { 796d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 797d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 798d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7994a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8004a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 8010ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 8024a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8034a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 8044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 8054a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 8064a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 8073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 808093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 8090ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 810093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 8114a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 812e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 8134a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 814d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 815e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 816fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 817e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 818d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 819e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 820d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 821e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 822e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 823e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 824e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 825e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 826e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 827d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 828e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 829e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 830e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 831a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 832e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 833e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 834a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 835e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 836e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 837e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 838a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 839a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 840a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 841e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 842e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 843e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 844e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 845e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 846e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 847e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 848a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 849e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 850e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 851e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 852e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 8533b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 854e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getSamplingRate(output, streamType, &afSampleRate) != NO_ERROR) { 855e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 856e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 857e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 858e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 859e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 860e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 861e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 862d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 863d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 864bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 865bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 866bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten if (minBufCount <= 2) { 867bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten minBufCount = sampleRate == afSampleRate ? 2 : 3; 8687c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 869d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 870e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 871e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 8723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 874d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 875e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 876e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 877e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 878e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct == 0) { 879e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 880e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 881e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 882e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 883e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (mNotificationFramesAct > frameCount/2) { 884e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 885d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 886e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 887e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 888e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 889e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 890e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 891e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 892e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 893e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 894e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 895d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 896d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 897a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 898a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 899a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 900a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 9030ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 9044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9084a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9094a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 9108d6cc842e8d525405c68e57fdf3bc5da0b4d7e87Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 91134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 91260a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 91360a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 91460a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 915a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 91634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 917e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 91834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 91934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 9203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 921be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 92234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 92334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 92434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 92529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 92634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 92734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 928d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 929d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 93029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 93134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 93234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 93334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 934d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 935d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 936d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 937b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 938b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 939b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 940b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 941b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 942b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 943b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 944b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 945a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 9463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 947e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 948b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 949a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 9503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 951b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 952093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 953093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 954093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 9553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 956e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (sharedBuffer == 0) { 957b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mNotificationFramesAct = frameCount/2; 958e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 96034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 961b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = (char*)cblk + sizeof(audio_track_cblk_t); 96234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 963b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = sharedBuffer->pointer(); 96434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 96534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 9662beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 967d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 968d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->waitTimeMs = 0; 969d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 970e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 971b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 972b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 973093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 974093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 975b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 976b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 977093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 978e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 979e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 980e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten delete mProxy; 981e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, mBuffers, frameCount, mFrameSizeAF); 982e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 983e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 984e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 985e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 986e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (sharedBuffer != 0) { 987e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // Force buffer full condition as data is already present in shared memory 988e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->stepUser(frameCount); 989e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 990e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 99134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 99234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 99334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 99489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 99589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 996e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten ALOG_ASSERT(mStatus == NO_ERROR && mProxy != NULL); 997e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 9981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9999a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 1000d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 100189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 100289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 10031dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 100489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 100589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 100689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 100789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1008e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten size_t framesAvail = mProxy->framesAvailable(); 100989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10109b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 10119c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 10129b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 10139b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 10149b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 10159b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 101734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 101889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 101989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 102089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 1021f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 10223856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 102334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 102489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 102589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1026f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 102734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 102889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 102934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 10309c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 10311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 1032a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // this condition is in shared memory, so if IAudioTrack and control block 1033a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // are replaced due to mediaserver death or IAudioTrack invalidation then 1034a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // cv won't be signalled, but fortunately the timeout will limit the wait 1035d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 10361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 10371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 10389a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 10391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 10401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1041a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // IAudioTrack may have been re-created while mLock was unlocked 1042a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk = mCblk; 10431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 1044d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 10451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10469c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 1047d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 1048d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1049f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 10501dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 105389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 105585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGW("obtainBuffer timed out (is the CPU pegged?) %p name=%#x user=%08x, " 105685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "server=%08x", this, cblk->mName, cblk->user, cblk->server); 1057c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 10593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 10601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 106134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 10629c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 1063d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 1064d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 106522eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 1066d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 10671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 10681703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 10695ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 10701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 10711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 107234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 107489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 107589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1076c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 107789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 107834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 107989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 108089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 108389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 1084e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten framesAvail = mProxy->framesAvailable_l(); 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 1090c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 109289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 109389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 109489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 1096b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten uint32_t bufferEnd = cblk->userBase + mFrameCount; 109789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1098a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 110089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1102c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 110383a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->size = framesReq * mFrameSizeAF; 1104e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten audioBuffer->raw = mProxy->buffer(u); 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 110789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 110989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 111089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1111e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten ALOG_ASSERT(mStatus == NO_ERROR && mProxy != NULL); 1112e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1114d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1115e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten (void) mProxy->stepUser(audioBuffer->frameCount); 1116df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (audioBuffer->frameCount > 0) { 1117df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1118d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (mActive && (cblk->flags & CBLK_DISABLED)) { 1119d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1120d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGW("releaseBuffer() track %p name=%#x disabled, restarting", this, cblk->mName); 1121df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1122df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1123df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 112989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 113089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1131083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten if (mSharedBuffer != 0 || mIsTimed) { 1132d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1133d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 113489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 113699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 113799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 113829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 114189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 114289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11433856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1145df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (userSize == 0) { 1146df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return 0; 1147df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1148df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 11491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 11501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 11511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1152e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1153e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 11541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 11551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1156a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1157a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1158a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1162b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 116389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 116533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1166c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 116789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 116889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 116989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 1170d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (err == status_t(NO_MORE_BUFFERS)) { 117189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1172d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 117389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 117489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 117589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 117689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1177c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11780ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 117989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 118089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1181511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 11823302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 118389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 118489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 118589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1186bc0f6b92bba33ca9c2e76f2a520d290f055da6b2Glenn Kasten src += toWrite; 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 118889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 118989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 119133797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 119289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 119489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 119589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 119789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11984ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11994ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 12004ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12014ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12024ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 12034ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1204d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 12054ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 12064ff14bae91075eb274eb1c2975982358946e7e63John Grossman 1207d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1208d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1209d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1210d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 1211d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 12124ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 12134ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1214c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1215d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1216d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 12174ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 12184ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 1219d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 12204ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12214ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12224ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12234ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 12244ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 1225d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->flags & CBLK_INVALID) { 1226d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.lock(); 1227d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 122822eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 1229d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 1230d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.unlock(); 12314ff14bae91075eb274eb1c2975982358946e7e63John Grossman 1232d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (result == OK) { 12334ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1234d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 12354ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12364ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12374ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 12384ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12394ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12404ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 12414ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 12424ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1243df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1244df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1245df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1246d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1247df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1248df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 1249d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mActive && (cblk->flags & CBLK_DISABLED)) { 1250d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1251df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 1252df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1253df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 12544ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1255df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 12564ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12584ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 12594ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 12604ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 12614ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 12624ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12634ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12644ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 12654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 126889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 126989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1273a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1274a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1275a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1276a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1277a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1278a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1279a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1280a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1281a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1282a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1283a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1284a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1285a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1286a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1287a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1288a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1289a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1290a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten return true; 1291a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 12921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 12931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1294e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1295e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 12961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 12979a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 12981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 12991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1300a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1301a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1302a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 1304e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (active && (mProxy->framesAvailable() == mFrameCount)) { 13053856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 13069c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(android_atomic_or(CBLK_UNDERRUN, &cblk->flags) & CBLK_UNDERRUN)) { 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 1308b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (cblk->server == mFrameCount) { 1309c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1311d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mSharedBuffer != 0) { 1312d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return false; 1313d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 131489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 131589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1316c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 131789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 13181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 13272c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 13281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 13302c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 133189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 133289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 133389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1335c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 13361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 133889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 134389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 134489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 134589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 134689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 134789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 135099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 135199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 13522267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 13532267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 13542267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 13552267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 13562267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 135789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 135889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1360c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13612267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 136289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 136389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 136485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE_IF(err != status_t(NO_MORE_BUFFERS), 136585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "Error obtaining an audio buffer, giving up."); 136689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 136789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 136889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 136989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1370d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (err == status_t(STOPPED)) { 1371d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return false; 1372d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 137389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 137589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 137689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 13770ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 137889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 138089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 138189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 138289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 138389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 138489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 138589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 13868555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 13878555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 13888555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 13898555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 13908555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 13918555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 13928555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 13938555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 1394df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 1395d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (writtenSize > reqSize) { 1396d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten writtenSize = reqSize; 1397d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 139889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13990ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1400511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1401511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 140389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 140489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 140589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1406d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // NOTE: cblk->frameSize is not equal to AudioTrack::frameSize() for 1407d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // 8 bit PCM data: in this case, cblk->frameSize is based on a sample size of 1408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 140983a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer.frameCount = writtenSize / mFrameSizeAF; 1410c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1418d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 141989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 142189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1425d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// must be called with mLock and refCblk.lock held. Callers must also hold strong references on 14261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 1427d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// If the IAudioTrack is successfully restored, the refCblk pointer is updated 1428d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// FIXME Don't depend on caller to hold strong references. 1429d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kastenstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& refCblk, bool fromStart) 14301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 14311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 14321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1433d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = refCblk; 1434d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* newCblk = cblk; 1435827e5f1237757aee78b677efcf0f7c44fd0dd3d8Glenn Kasten ALOGW("dead IAudioTrack, creating a new one from %s", 1436827e5f1237757aee78b677efcf0f7c44fd0dd3d8Glenn Kasten fromStart ? "start()" : "obtainBuffer()"); 14371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1438a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // signal old cblk condition so that other threads waiting for available buffers stop 1439a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // waiting now 1440a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->cv.broadcast(); 1441a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->lock.unlock(); 14421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1443a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1444a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1445a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1446a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1447a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1448a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1449a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1450a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1451e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate, 1452a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1453b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1454a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1455a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1456a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten getOutput_l()); 1457a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1458a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 1459a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t user = cblk->user; 1460a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t server = cblk->server; 1461a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 1462a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk = mCblk; 1463a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->user = user; 1464a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->server = user; 1465a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->userBase = user; 1466a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->serverBase = user; 1467a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore loop: this is not guaranteed to succeed if new frame count is not 1468a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // compatible with loop length 1469a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 1470e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten size_t frames = 0; 1471a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (!fromStart) { 1472a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1473a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1474a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1475a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1476a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (user > server) { 1477b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frames = ((user - server) > mFrameCount) ? 1478b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount : (user - server); 147983a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten memset(mBuffers, 0, frames * mFrameSizeAF); 1480408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1481a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 1482a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten android_atomic_or(CBLK_FORCEREADY, &newCblk->flags); 14831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 14841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1485a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer != 0) { 1486e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten frames = mFrameCount; 1487e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 1488e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (frames > 0) { 1489e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // stepUser() clears CBLK_UNDERRUN flag enabling underrun callbacks to 1490e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // the client 1491e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->stepUser(frames); 14921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1493a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mActive) { 1494a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 1495a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 1496a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten } 1497a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (fromStart && result == NO_ERROR) { 1498a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mNewPosition = newCblk->server + mUpdatePeriod; 14991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 15001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1501a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 15023856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1503d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten result, mActive, newCblk, cblk, newCblk->flags, cblk->flags); 15041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 15061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 1507d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten refCblk = newCblk; 15081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1509d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten newCblk->lock.lock(); 15101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1511827e5f1237757aee78b677efcf0f7c44fd0dd3d8Glenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d", result); 15121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 15141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 15151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 151689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 151789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 151889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 151989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 152089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 152189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 152289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 152389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 152485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 152585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 152689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 152785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1528b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 152989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1530e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 153189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 153289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 153389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 153489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 153589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 153689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 153789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 153889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 153989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 15413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 15423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 15453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 154689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 154789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 15513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 15523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 15533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 15543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 15553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 15563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 15573acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 15583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1559ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 1560ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten pause(); 1561ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 1562ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten return true; 156389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 156489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 15663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 15683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1569f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 15703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 15723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 15733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 15753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 15763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 15783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 15793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 15813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 15823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 15833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 15843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 15853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1588