AudioTrack.cpp revision a42ff007a17d63df22c60dd5e5fd811ee45ca1b3
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), 100a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 10189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 105fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 107e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 10828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int frameCount, 1100ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 113be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 114be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 115879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1164ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1174ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 118a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1200d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 121a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 12217a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId); 12389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 126fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 128e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 12928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1310ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 134be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int notificationFrames, 135be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 136879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1374ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1384ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 139a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten mPreviousSchedulingGroup(SP_DEFAULT) 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1410d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 14217a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 14317a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten sharedBuffer, false /*threadCanCallJava*/, sessionId); 14489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 14589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 14789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1483856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV_IF(mSharedBuffer != 0, "Destructor sharedBuffer: %p", mSharedBuffer->pointer()); 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 15189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 15289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 1563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack.clear(); 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 1623a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::releaseAudioSessionId(mSessionId); 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 167fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 169e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 17028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 171e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten int frameCountInt, 1720ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 17589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int notificationFrames, 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 177be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 178be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent int sessionId) 17989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 180e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten // FIXME "int" here is legacy and will be replaced by size_t later 181e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (frameCountInt < 0) { 182e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGE("Invalid frame count %d", frameCountInt); 183e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten return BAD_VALUE; 184e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten } 185e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount = frameCountInt; 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 18885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 190e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 1911a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 1921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1931dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 19429357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 199fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 200fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 202ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 20389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 2043b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 205e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getOutputSamplingRate(&afSampleRate, streamType) != NO_ERROR) { 206e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 207e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sampleRate = afSampleRate; 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 210ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 212e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 213fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 2150d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (channelMask == 0) { 2160d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi channelMask = AUDIO_CHANNEL_OUT_STEREO; 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 220fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 22129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Invalid format"); 22289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 224c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 225e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 226e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 227e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 228e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 229e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 230e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 232fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 2330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 2343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 2350ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 236c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 2371948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 2381948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 2391948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 2401948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 241c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2420d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi if (!audio_is_output_channel(channelMask)) { 24328b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 246a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask = channelMask; 2470d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi uint32_t channelCount = popcount(channelMask); 248a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelCount = channelCount; 24989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 250fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin audio_io_handle_t output = AudioSystem::getOutput( 251fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten streamType, 252e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten sampleRate, format, channelMask, 25318868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten flags); 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 255c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (output == 0) { 25629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get audio output for stream type %d", streamType); 257c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent return BAD_VALUE; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 26034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 26134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[RIGHT] = 1.0f; 26205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 263d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mFrameCount = frameCount; 264b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 265d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 266be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 2672beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 268093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 2694a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 270be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 271a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 272896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 273a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 274a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 275a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 27634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 2771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t status = createTrack_l(streamType, 2781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sampleRate, 279e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten format, 2801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent frameCount, 2811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flags, 2821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent sharedBuffer, 283291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten output); 284a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 28534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 286a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 287a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->requestExit(); 288a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 289a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 29089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 29189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 29234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 29389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 29489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 29589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStreamType = streamType; 296e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten mFormat = format; 29783a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 29883a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten if (audio_is_linear_pcm(format)) { 29983a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 30083a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 30183a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } else { 30283a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSize = sizeof(uint8_t); 30383a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten mFrameSizeAF = sizeof(uint8_t); 30483a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten } 30583a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mSharedBuffer = sharedBuffer; 30789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = false; 3089a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 31189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3122c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 315cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3163a34befc6fb04a4945a849e8bda8b84e4bf973feMarco Nelissen AudioSystem::acquireAudioSessionId(mSessionId); 31789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 31889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::initCheck() const 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStatus; 32389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 32689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectuint32_t AudioTrack::latency() const 32889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 32989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mLatency; 33089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 332fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kastenaudio_stream_type_t AudioTrack::streamType() const 33389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mStreamType; 33589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 33689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 337e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kastenaudio_format_t AudioTrack::format() const 33889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 33989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mFormat; 34089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 342a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kastenuint32_t AudioTrack::channelCount() const 34389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 34489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mChannelCount; 34589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 34689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 347e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kastensize_t AudioTrack::frameCount() const 34889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 349b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten return mFrameCount; 35089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectsp<IMemory>& AudioTrack::sharedBuffer() 35389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 35489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mSharedBuffer; 35589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 35689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 35889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 35989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::start() 36089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 36189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 36289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 3633856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start %p", this); 36489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 365f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 3661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 3671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 368e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 369e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 3701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 3711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 3729a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 373cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = false; 3749a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = true; 3751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mNewPosition = cblk->server + mUpdatePeriod; 37633797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent cblk->lock.lock(); 3771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 3781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->waitTimeMs = 0; 3799c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 3802b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (t != 0) { 3813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->resume(); 3822b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } else { 383879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 384a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 385879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 3862b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3872b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 388d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGV("start %p before lock cblk %p", this, cblk); 389d3a9ff4b725de612bf0354c035ba8f8564dbc6e8Glenn Kasten status_t status = NO_ERROR; 3909c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 3911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 3923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("mAudioTrack->start()"); 3933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten status = mAudioTrack->start(); 3941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 3951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (status == DEAD_OBJECT) { 3969c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 3976100d2d60517ff33ed8eb35d0b7ea63cde0831c9Eric Laurent } 3982b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent } 3999c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 400d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 40122eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten status = restoreTrack_l(temp, true /*fromStart*/); 402d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 4031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 4041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 4052b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent if (status != NO_ERROR) { 4063856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("start() failed"); 4079a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 40834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (t != 0) { 4093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 41034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 411879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 412a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 41334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 41489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 41989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::stop() 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4233856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("stop %p", this); 42489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 425f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4269a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4279a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 4281dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent mCblk->cv.signal(); 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->stop(); 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Cancel loops (If we are in the middle of a loop, playback 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // would not stop until loopCount reaches 0). 4321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent setLoop_l(0, 0, 0); 4332c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // the playback head position will reset to 0, so if a marker is set, we need 4342c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // to activate it again 4352c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 43689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Force flush if a shared buffer is used otherwise audioflinger 43789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // will not stop before end of buffer is reached. 43889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 4391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 44089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 4423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten t->pause(); 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 444879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 445a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4539a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 4549a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten return stopped_l(); 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4591703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 4601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 4611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 4621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 4641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 4651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 4663856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("flush"); 467c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 4682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 4692c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 4702c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 4712c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 472c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 47389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (!mActive) { 474cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi mFlushed = true; 47589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->flush(); 47689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Release AudioTrack callback thread in case it was waiting for new buffers 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // in AudioTrack::obtainBuffer() 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCblk->cv.signal(); 47989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 48389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 4843856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("pause"); 485f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 4869a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (mActive) { 4879a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten mActive = false; 488192cbbad773979a6fe3b5a0c223356de4fc3309cEric Laurent mCblk->cv.signal(); 48989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->pause(); 49089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 49189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::mute(bool e) 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 49589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrack->mute(e); 49689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMuted = e; 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::muted() const 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return mMuted; 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 504be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 506f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 507be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 508be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 509be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 51189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51483d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten mCblk->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 515be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 516be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 519b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 52089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 521b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 522be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 523be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5242beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 525be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 5263856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setAuxEffectSendLevel(%f)", level); 52705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 528be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 529be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 5301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 531be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 532be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 533be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 53405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mCblk->setSendLevel(level); 535be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 536be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 537be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 538be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 539a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 540be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 541be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 542be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent *level = mSendLevel; 543be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5463b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 54789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5483b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSamplingRate; 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5504ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5514ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 5524ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5534ff14bae91075eb274eb1c2975982358946e7e63John Grossman 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 555573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 55689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 558d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 559d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 560d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 56189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 563573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent mCblk->sampleRate = rate; 564573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 567a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5694ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5703b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 5714ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 5724ff14bae91075eb274eb1c2975982358946e7e63John Grossman 5731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 574573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return mCblk->sampleRate; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return setLoop_l(loopStart, loopEnd, loopCount); 5811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5831703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 5841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 5851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(cblk->lock); 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = UINT_MAX; 59289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = UINT_MAX; 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = 0; 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = 0; 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 5984ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 5994ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6004ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6014ff14bae91075eb274eb1c2975982358946e7e63John Grossman 60289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopStart >= loopEnd || 603b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten loopEnd - loopStart > mFrameCount || 6049b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->server > loopStart) { 60585ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loopStart %d, loopEnd %d, loopCount %d, framecount %d, " 606b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten "user %d", loopStart, loopEnd, loopCount, mFrameCount, cblk->user); 60789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 60889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 610b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if ((mSharedBuffer != 0) && (loopEnd > mFrameCount)) { 61185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE("setLoop invalid value: loop markers beyond data: loopStart %d, loopEnd %d, " 61285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "framecount %d", 613b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten loopStart, loopEnd, mFrameCount); 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 615c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 61789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopStart = loopStart; 61889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopEnd = loopEnd; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->loopCount = loopCount; 62089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount = loopCount; 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 627d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 628d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 629d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6322c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 637a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 63889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 639d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 640d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 641d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 64289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 64489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 650d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mCbf == NULL) { 651d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 652d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t curPosition; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project getPosition(&curPosition); 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = curPosition + updatePeriod; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 662a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 664d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 665d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 666d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 66789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 675d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mIsTimed) { 676d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 677d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6784ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 681d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (!stopped_l()) { 682d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 683d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6849a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten 685d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 686d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten Mutex::Autolock _l(cblk->lock); 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 688d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position > cblk->user) { 689d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 690d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 692d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->server = position; 693d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &cblk->flags); 694c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::getPosition(uint32_t *position) 69989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 700d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 701d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 702d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 704cd07594333cbe8b2c86c6609cce01a74d6cc33f8Jean-Michel Trivi *position = mFlushed ? 0 : mCblk->server; 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 713d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (!stopped_l()) { 714d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 715d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 716c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 7171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent flush_l(); 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 719d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 720b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten cblk->stepUserOut(mFrameCount, mFrameCount); 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 725c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurentaudio_io_handle_t AudioTrack::getOutput() 726c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 7271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return getOutput_l(); 7291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 7301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 7311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentaudio_io_handle_t AudioTrack::getOutput_l() 7331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 734fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten return AudioSystem::getOutput(mStreamType, 73518868c5db2f90309c6d11e5837822135e4a0c0faGlenn Kasten mCblk->sampleRate, mFormat, mChannelMask, mFlags); 736c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent} 737c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 738a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenint AudioTrack::getSessionId() const 739be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 740be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return mSessionId; 741be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 742be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 743be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 744be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 7453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("attachAuxEffect(%d)", effectId); 7462beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 7472beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 7482beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 7492beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 7502beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 751be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 752be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 75389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 7561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentstatus_t AudioTrack::createTrack_l( 757fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 75834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent uint32_t sampleRate, 759e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 760e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t frameCount, 7610ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 76234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IMemory>& sharedBuffer, 763291f4d505aff81969e6666049d3cc3446f836af2Glenn Kasten audio_io_handle_t output) 76434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 76534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 76634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 76734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 768e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 769e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 77034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 77134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 772d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 7731a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent if (AudioSystem::getLatency(output, streamType, &afLatency) != NO_ERROR) { 774d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent return NO_INIT; 775d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 776d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 7774a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 7784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 7790ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_FAST) && !( 7804a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 7814a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 7824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (sharedBuffer != 0) || 7834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 2: callback handler 7844a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten (mCbf != NULL))) { 7853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 786093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 7870ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 788093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 7894a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 790e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 7914a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 792d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 793e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 794fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_linear_pcm(format)) { 795e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 796d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (sharedBuffer != 0) { 797e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 798d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent frameCount = sharedBuffer->size(); 799e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 800e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 801e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 802e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 803e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 804e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 805d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 806e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 807e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (sharedBuffer != 0) { 808e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 809a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 810e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 811e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten size_t alignment = /* format == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 812a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 813e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 814e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 815e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 816a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (((size_t)sharedBuffer->pointer() & (alignment - 1)) != 0) { 817a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 818a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten sharedBuffer->pointer(), mChannelCount); 819e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 820e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 821e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 822e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 823e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 824e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 825e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 826a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten frameCount = sharedBuffer->size()/mChannelCount/sizeof(int16_t); 827e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 828e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (!(flags & AUDIO_OUTPUT_FLAG_FAST)) { 829e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 830e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 8313b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 832e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getSamplingRate(output, streamType, &afSampleRate) != NO_ERROR) { 833e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 834e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 835e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 836e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (AudioSystem::getFrameCount(output, streamType, &afFrameCount) != NO_ERROR) { 837e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return NO_INIT; 838e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 839e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 840d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 841d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 842d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent if (minBufCount < 2) minBufCount = 2; 843d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 844e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t minFrameCount = (afFrameCount*sampleRate*minBufCount)/afSampleRate; 845e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 8463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 8473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten minFrameCount, afFrameCount, minBufCount, sampleRate, afSampleRate, afLatency); 848d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 849e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 850e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 851e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 852e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (mNotificationFramesAct == 0) { 853e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 854e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 855e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Make sure that application is notified with sufficient margin 856e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // before underrun 857e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten if (mNotificationFramesAct > frameCount/2) { 858e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten mNotificationFramesAct = frameCount/2; 859d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 860e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount < minFrameCount) { 861e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 862e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 863e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 864e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 865e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 866e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 867e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 868e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 869d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 870d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 871a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 872a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 873a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 874a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 8753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 8763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 8770ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (flags & AUDIO_OUTPUT_FLAG_FAST) { 8784a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 8793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 8803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 8813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 8824a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 8834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 88434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(getpid(), 88534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent streamType, 88634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sampleRate, 88760a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 88860a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? 88960a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : format, 890a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 89134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent frameCount, 892e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 89334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent sharedBuffer, 89434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 8953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 896be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 89734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 89834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 89934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (track == 0) { 90029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 90134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return status; 90234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 903d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 904d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 90529357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 90634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 90734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 90834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 909d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 910d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMem->pointer()); 911d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 912b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten size_t temp = cblk->frameCount_; 913b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 914b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 915b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 916b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 917b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 918b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 919b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 9203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_FAST) { 921e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 922b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 9233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 924b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 925093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 926093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten flags = (audio_output_flags_t) (flags & ~AUDIO_OUTPUT_FLAG_FAST); 927093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 9283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (sharedBuffer == 0) { 930b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mNotificationFramesAct = frameCount/2; 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 93334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (sharedBuffer == 0) { 934b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = (char*)cblk + sizeof(audio_track_cblk_t); 93534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 936b929e417853694e37aba1ef4399f188987b709d9Glenn Kasten mBuffers = sharedBuffer->pointer(); 937e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten // Force buffer full condition as data is already present in shared memory 938b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten cblk->stepUserOut(frameCount, frameCount); 93934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 94034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 941d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 94285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 943d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->setSendLevel(mSendLevel); 9442beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 945d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS; 946d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->waitTimeMs = 0; 947d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 948e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 949b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mLatency = afLatency + (1000*frameCount) / sampleRate; 950b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 951093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 952093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 953b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 954b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 955093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 95634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 95734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 95834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 95989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 96089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 9611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 9629a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active; 963d0965dde97f2815ae0a15fe6b40946f8a741a81eGlenn Kasten status_t result = NO_ERROR; 96489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audio_track_cblk_t* cblk = mCblk; 96589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t framesReq = audioBuffer->frameCount; 9661dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent uint32_t waitTimeMs = (waitCount < 0) ? cblk->bufferTimeoutMs : WAIT_PERIOD_MS; 96789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 96889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->frameCount = 0; 96989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer->size = 0; 97089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 971b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten uint32_t framesAvail = cblk->framesAvailableOut(mFrameCount); 97289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9739b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.lock(); 9749c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 9759b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent goto create_new_track; 9769b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent } 9779b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent cblk->lock.unlock(); 9789b7d950f1f3b0c526712b713dbceb0e22762c015Eric Laurent 97989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesAvail == 0) { 98034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.lock(); 98189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project goto start_loop_here; 98289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (framesAvail == 0) { 98389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 984f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!active)) { 9853856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Not active and NO_MORE_BUFFERS"); 98634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 98789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_MORE_BUFFERS; 98889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 989f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(!waitCount)) { 99034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 99189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return WOULD_BLOCK; 99234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 9939c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 9941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 995a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // this condition is in shared memory, so if IAudioTrack and control block 996a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // are replaced due to mediaserver death or IAudioTrack invalidation then 997a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // cv won't be signalled, but fortunately the timeout will limit the wait 998d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent result = cblk->cv.waitRelative(cblk->lock, milliseconds(waitTimeMs)); 9991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 10001703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 10019a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten if (!mActive) { 10021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return status_t(STOPPED); 10031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1004a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // IAudioTrack may have been re-created while mLock was unlocked 1005a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk = mCblk; 10061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 1007d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 10081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 10099c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (cblk->flags & CBLK_INVALID) { 1010d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent goto create_new_track; 1011d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1012f6b1678f8f508b447155a81b44e214475ab634a8Glenn Kasten if (CC_UNLIKELY(result != NO_ERROR)) { 10131dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent cblk->waitTimeMs += waitTimeMs; 101489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->waitTimeMs >= cblk->bufferTimeoutMs) { 101589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // timing out when a loop has been set and we have already written upto loop end 101689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // is a normal condition: no need to wake AudioFlinger up. 101789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (cblk->user < cblk->loopEnd) { 101885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGW("obtainBuffer timed out (is the CPU pegged?) %p name=%#x user=%08x, " 101985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "server=%08x", this, cblk->mName, cblk->user, cblk->server); 1020c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent //unlock cblk mutex before calling mAudioTrack->start() (see issue #1617140) 102189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->lock.unlock(); 10223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten result = mAudioTrack->start(); 10231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.lock(); 102434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (result == DEAD_OBJECT) { 10259c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 1026d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurentcreate_new_track: 1027d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 102822eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 1029d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 10301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 10311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result != NO_ERROR) { 10325ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("obtainBuffer create Track error %d", result); 10331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cblk->lock.unlock(); 10341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 103534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 103689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 103789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 103889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1039c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 104089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--waitCount == 0) { 104134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 104289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return TIMED_OUT; 104389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // read the server count again 104689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project start_loop_here: 1047b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten framesAvail = cblk->framesAvailableOut_l(mFrameCount); 104889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 104934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent cblk->lock.unlock(); 105089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project cblk->waitTimeMs = 0; 1053c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 105489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (framesReq > framesAvail) { 105589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = framesAvail; 105689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 105789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 105889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t u = cblk->user; 1059b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten uint32_t bufferEnd = cblk->userBase + mFrameCount; 106089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1061a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (framesReq > bufferEnd - u) { 106289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project framesReq = bufferEnd - u; 106389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 106489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1065c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent audioBuffer->frameCount = framesReq; 106683a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->size = framesReq * mFrameSizeAF; 106783a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer->raw = cblk->buffer(mBuffers, mFrameSizeAF, u); 106889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project active = mActive; 106989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return active ? status_t(NO_ERROR) : status_t(STOPPED); 107089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 107189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 107289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 107389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1075d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1076b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten cblk->stepUserOut(audioBuffer->frameCount, mFrameCount); 1077df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (audioBuffer->frameCount > 0) { 1078df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1079d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (mActive && (cblk->flags & CBLK_DISABLED)) { 1080d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1081d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten ALOGW("releaseBuffer() track %p name=%#x disabled, restarting", this, cblk->mName); 1082df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1083df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1084df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 108589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 108689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 108889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 108989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 109089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 109189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1092d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mSharedBuffer != 0) { 1093d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1094d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 1095d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mIsTimed) { 1096d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1097d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 109889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 109989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (ssize_t(userSize) < 0) { 110099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 110199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 110229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioTrack::write(buffer=%p, size=%u (%d)", 110389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project buffer, userSize, userSize); 110489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 110589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 110689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11073856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("write %p: %d bytes, mActive=%d", this, userSize, mActive); 110889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1109df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (userSize == 0) { 1110df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return 0; 1111df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1112df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 11131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 11141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 11151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1116e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1117e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 11181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 11191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1120a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1121a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1122a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 112389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ssize_t written = 0; 112489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const int8_t *src = (const int8_t *)buffer; 112589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 1126b9980659501d0428d65d8292f3c32da69d37fbd2Glenn Kasten size_t frameSz = frameSize(); 112789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 112889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 112933797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent audioBuffer.frameCount = userSize/frameSz; 1130c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 113189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project status_t err = obtainBuffer(&audioBuffer, -1); 113289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 113389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // out of buffers, return #bytes written 1134d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (err == status_t(NO_MORE_BUFFERS)) { 113589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1136d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 113789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 113889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 113989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 114089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 1141c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 11420ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 114389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 114489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size>>1; 1145511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) src, toWrite); 11463302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 114789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project memcpy(audioBuffer.i8, src, toWrite); 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1150bc0f6b92bba33ca9c2e76f2a520d290f055da6b2Glenn Kasten src += toWrite; 115189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 115289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 115389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 115533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } while (userSize >= frameSz); 115689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 115789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 115889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 116189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11624ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 11634ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 11644ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 11654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11664ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 11674ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1168d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 11694ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 11704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 1171d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1172d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1173d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1174d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 1175d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 11764ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 11774ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1178c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1179d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1180d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (!(cblk->flags & CBLK_INVALID)) { 11814ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 11824ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 1183d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->flags); 11844ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11854ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 11864ff14bae91075eb274eb1c2975982358946e7e63John Grossman 11874ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 11884ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 1189d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (cblk->flags & CBLK_INVALID) { 1190d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.lock(); 1191d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* temp = cblk; 119222eb4e239fbe9103568147d566d7482e480350b8Glenn Kasten result = restoreTrack_l(temp, false /*fromStart*/); 1193d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk = temp; 1194d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten cblk->lock.unlock(); 11954ff14bae91075eb274eb1c2975982358946e7e63John Grossman 1196d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (result == OK) { 11974ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1198d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 11994ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 12004ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12014ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 12024ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12034ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12044ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 12054ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 12064ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1207df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1208df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1209df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1210d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1211df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1212df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 1213d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mActive && (cblk->flags & CBLK_DISABLED)) { 1214d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->flags); 1215df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 1216df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1217df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 12184ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1219df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 12204ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12214ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12224ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 12234ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 12244ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 12254ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 12264ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 12274ff14bae91075eb274eb1c2975982358946e7e63John Grossman 12284ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 12294ff14bae91075eb274eb1c2975982358946e7e63John Grossman 123089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::processAudioBuffer(const sp<AudioTrackThread>& thread) 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 123389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t frames; 123489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t writtenSize; 123589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 12371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 12381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // while we are accessing the cblk 1239e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1240e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten sp<IMemory> iMem = mCblkMemory; 12411703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent audio_track_cblk_t* cblk = mCblk; 12429a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten bool active = mActive; 12431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.unlock(); 12441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1245a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // since mLock is unlocked the IAudioTrack and shared memory may be re-created, 1246a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // so all cblk references might still refer to old shared memory, but that should be benign 1247a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage underrun callback 1249b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (active && (cblk->framesAvailableOut(mFrameCount) == mFrameCount)) { 12503856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Underrun user: %x, server: %x, flags %04x", cblk->user, cblk->server, cblk->flags); 12519c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(android_atomic_or(CBLK_UNDERRUN, &cblk->flags) & CBLK_UNDERRUN)) { 125289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_UNDERRUN, mUserData, 0); 1253b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (cblk->server == mFrameCount) { 1254c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent mCbf(EVENT_BUFFER_END, mUserData, 0); 125589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1256d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (mSharedBuffer != 0) { 1257d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return false; 1258d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 126089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1261c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage loop end callback 12631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (mLoopCount > cblk->loopCount) { 126489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project int loopCount = -1; 126589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mLoopCount--; 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mLoopCount >= 0) loopCount = mLoopCount; 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_LOOP_END, mUserData, (void *)&loopCount); 126989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 12722c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi if (!mMarkerReached && (mMarkerPosition > 0)) { 12731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (cblk->server >= mMarkerPosition) { 127489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MARKER, mUserData, (void *)&mMarkerPosition); 12752c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = true; 127689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage new position callback 1280c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent if (mUpdatePeriod > 0) { 12811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent while (cblk->server >= mNewPosition) { 128289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_NEW_POS, mUserData, (void *)&mNewPosition); 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition += mUpdatePeriod; 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 128589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 128689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If Shared buffer is used, no data is requested from client. 128889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mSharedBuffer != 0) { 128989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = 0; 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames = mRemainingFrames; 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129499e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // See description of waitCount parameter at declaration of obtainBuffer(). 129599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // The logic below prevents us from being stuck below at obtainBuffer() 129699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // not being able to handle timed events (position, markers, loops). 12972267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent int32_t waitCount = -1; 12982267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent if (mUpdatePeriod || (!mMarkerReached && mMarkerPosition) || mLoopCount) { 12992267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent waitCount = 1; 13002267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 13012267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 130289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project do { 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 130489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.frameCount = frames; 1305c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13062267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent status_t err = obtainBuffer(&audioBuffer, waitCount); 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < NO_ERROR) { 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err != TIMED_OUT) { 130985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGE_IF(err != status_t(NO_MORE_BUFFERS), 131085ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten "Error obtaining an audio buffer, giving up."); 131189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 131289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 131389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 131489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1315d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (err == status_t(STOPPED)) { 1316d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return false; 1317d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 13220ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 132789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 132889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize = audioBuffer.size; 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 13318555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project if (ssize_t(writtenSize) <= 0) { 13328555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 13338555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 13348555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 13358555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 13368555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project usleep(WAIT_PERIOD_MS*1000); 13378555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project break; 13388555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project } 1339df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent 1340d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (writtenSize > reqSize) { 1341d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten writtenSize = reqSize; 1342d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 134389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13440ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1345511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1346511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 134789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project writtenSize <<= 1; 134889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 134989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size = writtenSize; 1351d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // NOTE: cblk->frameSize is not equal to AudioTrack::frameSize() for 1352d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten // 8 bit PCM data: in this case, cblk->frameSize is based on a sample size of 1353c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // 16 bit. 135483a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten audioBuffer.frameCount = writtenSize / mFrameSizeAF; 1355c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 135689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project frames -= audioBuffer.frameCount; 135789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 135989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 136089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project while (frames); 136189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 136289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (frames == 0) { 1363d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mRemainingFrames = mNotificationFramesAct; 136489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 136589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mRemainingFrames = frames; 136689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 136789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 136889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1370d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// must be called with mLock and refCblk.lock held. Callers must also hold strong references on 13711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// the IAudioTrack and IMemory in case they are recreated here. 1372d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// If the IAudioTrack is successfully restored, the refCblk pointer is updated 1373d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten// FIXME Don't depend on caller to hold strong references. 1374d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kastenstatus_t AudioTrack::restoreTrack_l(audio_track_cblk_t*& refCblk, bool fromStart) 13751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 13761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 13771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1378d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = refCblk; 1379d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* newCblk = cblk; 1380827e5f1237757aee78b677efcf0f7c44fd0dd3d8Glenn Kasten ALOGW("dead IAudioTrack, creating a new one from %s", 1381827e5f1237757aee78b677efcf0f7c44fd0dd3d8Glenn Kasten fromStart ? "start()" : "obtainBuffer()"); 13821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1383a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // signal old cblk condition so that other threads waiting for available buffers stop 1384a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // waiting now 1385a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->cv.broadcast(); 1386a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->lock.unlock(); 13871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1388a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1389a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // output parameters in getOutput_l() and createTrack_l() 1390a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1391a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1392a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1393a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1394a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1395a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = createTrack_l(mStreamType, 1396a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten cblk->sampleRate, 1397a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFormat, 1398b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount, // so that frame count never goes down 1399a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mFlags, 1400a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mSharedBuffer, 1401a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten getOutput_l()); 1402a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1403a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 1404a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t user = cblk->user; 1405a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t server = cblk->server; 1406a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 1407a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk = mCblk; 1408a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->user = user; 1409a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->server = user; 1410a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->userBase = user; 1411a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->serverBase = user; 1412a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore loop: this is not guaranteed to succeed if new frame count is not 1413a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // compatible with loop length 1414a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten setLoop_l(cblk->loopStart, cblk->loopEnd, cblk->loopCount); 1415a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (!fromStart) { 1416a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten newCblk->bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 1417a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1418a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1419a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1420a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten uint32_t frames = 0; 1421a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (user > server) { 1422b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frames = ((user - server) > mFrameCount) ? 1423b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount : (user - server); 142483a0382dc17364567667a4e6135db43f5bd92efcGlenn Kasten memset(mBuffers, 0, frames * mFrameSizeAF); 1425408b8dc3c0a364c6f6b4991d15da9e6bcc2b8008Eric Laurent } 1426a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 1427a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten android_atomic_or(CBLK_FORCEREADY, &newCblk->flags); 1428a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // stepUser() clears CBLK_UNDERRUN flag enabling underrun callbacks to 1429a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the client 1430b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten newCblk->stepUserOut(frames, mFrameCount); 14311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 14321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1433a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer != 0) { 1434b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten newCblk->stepUserOut(mFrameCount, mFrameCount); 14351703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1436a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mActive) { 1437a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 1438a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() start() failed status %d", result); 1439a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten } 1440a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (fromStart && result == NO_ERROR) { 1441a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten mNewPosition = newCblk->server + mUpdatePeriod; 14421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 14431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1444a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() failed status %d", result); 14453856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("restoreTrack_l() status %d mActive %d cblk %p, old cblk %p flags %08x old flags %08x", 1446d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten result, mActive, newCblk, cblk, newCblk->flags, cblk->flags); 14471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent if (result == NO_ERROR) { 14491703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent // from now on we switch to the newly created cblk 1450d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten refCblk = newCblk; 14511703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 1452d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten newCblk->lock.lock(); 14531703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1454827e5f1237757aee78b677efcf0f7c44fd0dd3d8Glenn Kasten ALOGW_IF(result != NO_ERROR, "restoreTrack_l() error %d", result); 14551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 14571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 14581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 145989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::dump(int fd, const Vector<String16>& args) const 146089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 146389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 146489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 146589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1466d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 146789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 146885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 146985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 147089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 147185ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%d)\n", mFormat, 1472b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 147389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 14743b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d), muted(%d)\n", 1475d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten (cblk == 0) ? 0 : cblk->sampleRate, mStatus, mMuted); 147689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 147789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project snprintf(buffer, 255, " active(%d), latency (%d)\n", mActive, mLatency); 147889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 147989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 148089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 148189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 148489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 148589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 14863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true) 14873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 14883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 14893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 14903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 149189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 149289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 149389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 149489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 149589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 14973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 14983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 14993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 15003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 15013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 15023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 15033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1504ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten if (!mReceiver.processAudioBuffer(this)) { 1505ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten pause(); 1506ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 1507ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten return true; 150889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 150989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 15113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 15133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1514f4022f90db5acb680870db8c1150b673cdd211d9Glenn Kasten resume(); 15153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 15173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 15183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 15203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 15213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 15233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 15243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 15253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 15263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 15273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 15283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 15293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 15303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 15313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 153289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 153389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 153438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 153589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectaudio_track_cblk_t::audio_track_cblk_t() 153654b1a0550411c2fd2084d82d28934d505c37349aMathias Agopian : lock(Mutex::SHARED), cv(Condition::SHARED), user(0), server(0), 1537b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten userBase(0), serverBase(0), frameCount_(0), 153883d86538c4c479a9225c75ab27938e8f05abb9c8Glenn Kasten loopStart(UINT_MAX), loopEnd(UINT_MAX), loopCount(0), mVolumeLR(0x10001000), 153905632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel(0), flags(0) 154089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 154189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 154289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1543b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kastenuint32_t audio_track_cblk_t::stepUser(size_t stepCount, size_t frameCount, bool isOut) 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1545b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("stepuser %08x %08x %d", user, server, stepCount); 154689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1547a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen uint32_t u = user; 1548b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten u += stepCount; 154989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Ensure that user is never ahead of server for AudioRecord 1550864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 155189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // If stepServer() has been called once, switch to normal obtainBuffer() timeout period 155289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS-1) { 155389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project bufferTimeoutMs = MAX_RUN_TIMEOUT_MS; 155489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 15559054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten } else if (u > server) { 1556a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen ALOGW("stepUser occurred after track reset"); 15579054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten u = server; 155889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 155989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1560b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (u >= frameCount) { 1561a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, user didn't just wrap 1562b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (u - frameCount >= userBase ) { 1563b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten userBase += frameCount; 1564a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1565b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } else if (u >= userBase + frameCount) { 1566a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // user just wrapped 1567b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten userBase += frameCount; 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15709054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten user = u; 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Clear flow control error condition as new data has been written/read to/from buffer. 15739c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (flags & CBLK_UNDERRUN) { 15749c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten android_atomic_and(~CBLK_UNDERRUN, &flags); 157533797ea64d067dfeaacbfd7ebe7f3383b73961b5Eric Laurent } 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u; 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 157989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1580b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kastenbool audio_track_cblk_t::stepServer(size_t stepCount, size_t frameCount, bool isOut) 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1582b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("stepserver %08x %08x %d", user, server, stepCount); 1583a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 158438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 15855ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer() could not lock cblk"); 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return false; 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15899054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 1590a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen bool flushed = (s == user); 159189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1592b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten s += stepCount; 1593864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Mark that we have read the first buffer so that next time stepUser() is called 159589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we switch to normal obtainBuffer() timeout period 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (bufferTimeoutMs == MAX_STARTUP_TIMEOUT_MS) { 159734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent bufferTimeoutMs = MAX_STARTUP_TIMEOUT_MS - 1; 1598c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // It is possible that we receive a flush() 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // while the mixer is processing a block: in this case, 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // stepServer() is called After the flush() has reset u & s and 160289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // we have s > u 1603a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen if (flushed) { 16045ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("stepServer occurred after track reset"); 16059054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten s = user; 160689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 160989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (s >= loopEnd) { 16105ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW_IF(s > loopEnd, "stepServer: s %u > loopEnd %u", s, loopEnd); 161189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project s = loopStart; 161289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (--loopCount == 0) { 161389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopEnd = UINT_MAX; 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project loopStart = UINT_MAX; 161589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 161689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1617a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen 1618b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (s >= frameCount) { 1619a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // common case, server didn't just wrap 1620b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (s - frameCount >= serverBase ) { 1621b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten serverBase += frameCount; 1622a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen } 1623b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } else if (s >= serverBase + frameCount) { 1624a1472d9883e35edd280201c8be3191695007dfd4Marco Nelissen // server just wrapped 1625b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten serverBase += frameCount; 162689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 162789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16289054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten server = s; 162989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16309c5fdd83f9b9f49be35107971feb33528d60b945Glenn Kasten if (!(flags & CBLK_INVALID)) { 16311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent cv.signal(); 16321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 163389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project lock.unlock(); 163489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return true; 163589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 163689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 163783a0382dc17364567667a4e6135db43f5bd92efcGlenn Kastenvoid* audio_track_cblk_t::buffer(void *buffers, size_t frameSize, uint32_t offset) const 163889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16399054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten return (int8_t *)buffers + (offset - userBase) * frameSize; 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 164189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1642b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kastenuint32_t audio_track_cblk_t::framesAvailable(size_t frameCount, bool isOut) 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Mutex::Autolock _l(lock); 1645b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten return framesAvailable_l(frameCount, isOut); 164689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1648b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kastenuint32_t audio_track_cblk_t::framesAvailable_l(size_t frameCount, bool isOut) 164989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16509054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16519054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 165289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1653864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 165489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t limit = (s < loopStart) ? s : loopStart; 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return limit + frameCount - u; 165689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 165789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return frameCount + u - s; 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1661864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kastenuint32_t audio_track_cblk_t::framesReady(bool isOut) 166289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16639054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t u = user; 16649054897ab9ffb307fadae81b774a1fc61cb542e7Glenn Kasten uint32_t s = server; 166589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1666864585df53eb97c31e77b3ad7c0d89e4f9b42588Glenn Kasten if (isOut) { 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (u < loopEnd) { 166889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return u - s; 166989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 167038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // do not block on mutex shared with client on AudioFlinger side 167138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (!tryLock()) { 16725ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("framesReady() could not lock cblk"); 167338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return 0; 167438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 167538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent uint32_t frames = UINT_MAX; 167689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount >= 0) { 167738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent frames = (loopEnd - loopStart)*loopCount + u - s; 167889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 167938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent lock.unlock(); 168038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return frames; 168189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 168289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 168389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return s - u; 168489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 168589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 168689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 168738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurentbool audio_track_cblk_t::tryLock() 168838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent{ 168938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // the code below simulates lock-with-timeout 169038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // we MUST do this to protect the AudioFlinger server 169138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // as this lock is shared with the client. 169238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent status_t err; 169338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 169438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 169538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err == -EBUSY) { // just wait a bit 169638ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent usleep(1000); 169738ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent err = lock.tryLock(); 169838ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 169938ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent if (err != NO_ERROR) { 170038ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent // probably, the client just died. 170138ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return false; 170238ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent } 170338ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent return true; 170438ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent} 170538ccae2c0324daa305f3fe77d25fdf5edec0b0e1Eric Laurent 170689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 170789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 170889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1709