AudioTrack.cpp revision 4ede21d9c1f957baf5e561849ff9bbe4bcbefc20
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//#define LOG_NDEBUG 0 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn#include <inttypes.h> 22c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten#include <math.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn 259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 301ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 31e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent#include <media/AudioPolicyHelper.h> 32cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung#include <media/AudioResamplerPublic.h> 33fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 34b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 35b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 36b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 37511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 4033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 414ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hungtemplate <typename T> 424ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hungconst T &min(const T &x, const T &y) { 434ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung return x < y ? x : y; 444ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung} 454ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung 467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t convertTimespecToUs(const struct timespec &tv) 477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000; 497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung// current monotonic time in microseconds. 527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t getNowUs() 537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung struct timespec tv; 557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (void) clock_gettime(CLOCK_MONOTONIC, &tv); 567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return convertTimespecToUs(tv); 577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 61e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 62fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 6333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 6433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 65d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 66d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 67d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6804cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 69e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 70e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 71e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 72e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 73e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 74e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 753b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 7666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 7766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 7866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7970c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 8070c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 8166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 83e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 8466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 8566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 8670c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 8770c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 8866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 8933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 9033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 9166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 9266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 9370c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 9470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 9566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 9633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 9733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 9833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 9933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 1009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 1019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 1029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 10433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 105cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung afFrameCount * minBufCount * uint64_t(sampleRate) / afSampleRate; 10666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 10766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 10866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 10966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 11066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 11166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 11266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 11334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, minBufCount=%d, afSampleRate=%d, afLatency=%d", 1143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 11533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 11633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 11789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 11989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 121879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1224ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1234ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1247064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1257064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 127faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 128faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 129faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 130faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 13189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 134fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 136e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 138bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1390ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 142838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 144ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 145462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 146d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 147d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 148d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 149879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1504ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1514ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1550d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 156a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 157462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 158d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi offloadInfo, uid, pid, pAttributes); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 161c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 162fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 164e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16528b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1670ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 170838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 172ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 173462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 174d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 175d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 176d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 177879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1784ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1794ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1807064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1817064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1830d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 18417a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 185d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 186d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi uid, pid, pAttributes); 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 197b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 19989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 202f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 20353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 2043bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2053bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 207d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen ALOGV("~AudioTrack, releasing session id from %d on behalf of %d", 208d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen IPCThreadState::self()->getCallingPid(), mClientPid); 209d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 21189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 21289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 214fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 216e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 218bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2190ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 22089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 22189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 222838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 22389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 224be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 226ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 227462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 228d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 229faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 230d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 23189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 232bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 233838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d", 234bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 23586f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType); 23686f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 270dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 27385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 27485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 27589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 2771a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 28053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2811dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 28229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 287e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 288fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 28989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 290faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 291223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 292faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 293faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 294faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 295faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 296e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 297faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 298faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 299faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 300faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 301faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 302e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 303dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 304ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 306e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 307fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 31089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 311fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 312cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 31489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 315dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 316c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3178ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3188ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3198ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3208ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 321e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 322e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 323e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3248ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 325e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 326e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 327e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 328e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 329e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 330e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 331c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 332b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 333b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 334b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 335b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 336b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 337b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3380ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3400ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 341c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 342c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 343d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent // force direct flag if HW A/V sync requested 344d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent if ((flags & AUDIO_OUTPUT_FLAG_HW_AV_SYNC) != 0) { 345d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent flags = (audio_output_flags_t)(flags | AUDIO_OUTPUT_FLAG_DIRECT); 346d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent } 347d1f69b0b17acbd96987ecb2f3378abd394d05903Eric Laurent 348b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 349b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 350b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 351b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 352b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 353b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 354b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = mFrameSize; 355e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 356b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 357b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 358b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = channelCount * audio_bytes_per_sample( 359b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : format); 360b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 361b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 362e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 363e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 3640d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 3650d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 3660d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 3670d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 3680d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 3690d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 370b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 371b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 372b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 373b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 374b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 375b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 376b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 377b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 378b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 379b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 38066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 38166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 38205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 383396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 384b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 385d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 387caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent if (sessionId == AUDIO_SESSION_ALLOCATE) { 388caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = AudioSystem::newAudioUniqueId(); 389caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } else { 390caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent mSessionId = sessionId; 391caf7f48a0ef558689d39aafd187c1571ff4128b4Eric Laurent } 392d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 393d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 394d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 395462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 396462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 397462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 398462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 399d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 400d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 401d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 402d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 403d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 4042beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 405093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 4064a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 407be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 408a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 409896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 410a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 411a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 412a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 41334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4140d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 415a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 41634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 417a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 418b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 419b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 420a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 421a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 42289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 42389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 42434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 42589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4284ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = 0; 4294ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = 0; 4304ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = 0; 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4322c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 435200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 436200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 437200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 439d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 45089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 451f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4582b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 463b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 464b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 465200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 468200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 4697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 4707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 4717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 4727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 4737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 4747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 475ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 476ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 477ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 479200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 48096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 488b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 49489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 511b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 512b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 514879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 515a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 525397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 52923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 533c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 534b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 535b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5419b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5439b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // clear buffer position and loop count. 5449b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPositionAndLoop(0 /* position */, 5459b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung 0 /* loopStart */, 0 /* loopEnd */, 0 /* loopCount */); 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 547b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 55023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5619a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 56389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 56589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5734bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 580c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5812c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5822c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5832c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5842c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 585b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 586c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 588c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 58923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 591b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5934bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 59789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 598f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 599b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 600b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 601b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 602b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 603b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 60589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6087064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6093a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 610142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6227064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6237064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6247064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6257064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6267064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 629be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 63089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 631c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 632c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 633c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 634be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 635be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 636be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 63866e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 63966e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 64089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 641c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 642be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 64323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 64459fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 64559fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 646be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 649b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 65089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 651b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 652be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 653be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6542beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 655be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 656c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 657c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 658be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 659be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 660be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 662be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 663e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 664be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 665be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 666be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 667be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 668a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 669be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 670be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 672be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6753b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 67689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 677ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mIsTimed || isOffloadedOrDirect()) { 6784ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6794ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6804ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6810d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent AutoMutex lock(mLock); 6820d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 6830d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 6840d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 6859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 6860d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 687573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 689cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung if (rate == 0 || rate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 690d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 691d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 693e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 694e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 695e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 696573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 69789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 699a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 7014ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 7023b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 7034ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7044ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7066f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7076f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7086f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7096f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 710ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 711142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7126f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 713b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7146f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7156f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7166f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7176f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7186f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 719e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 72389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 724ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 725083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 726083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 727083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 7319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 741c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 7484ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // We do not update the periodic notification point. 7494ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 7504ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopCount = loopCount; 7514ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopEnd = loopEnd; 7524ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart = loopStart; 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 7549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 758fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 759ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 760d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 761d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 7652c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 770a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 772ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 773b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 774b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 775d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 776d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 777d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 78489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 787fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 788ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 789d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 790d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 793200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7952b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 799a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 801ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 802b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 803b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 804d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 805d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 806d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 80789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 81289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 81389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 81489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 81589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 816ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 817d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 818d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 8209c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8219c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8229c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 832d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8339b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // After setting the position, use full update period before notification. 834200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8359b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(position); 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 839200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 84089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 841d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 842d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 843d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 846ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 847b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 84889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 849ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 8507064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 8517064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 8527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 8537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 8547064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 855142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 856b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 857b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 858b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 8597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 8607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 861b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 862b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 863275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 864275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getPosition"); 865275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 866275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 867b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 868200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 869200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 870b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 87189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 874377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 8759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 8769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 8779c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 8789c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8829c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8859c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8869c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8879c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 890ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 891083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 892083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 893083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 897d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 898d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 9009b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung (void) updateAndGetPosition_l(); 9019b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = 0; 9029b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // The documentation is not clear on the behavior of reload() and the restoration 9039b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // of loop count. Historically we have not restored loop count, start, end; 9049b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // rather we just reset the buffer position. However, restoring the last setLoop 9059b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // information makes sense if one desires to repeat playing a particular sound. 9069b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mStaticProxy->setBufferPosition(0); 90789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 90889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 91038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 911c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 9121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 913b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 9141703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 916be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 917be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 9189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9192beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 9202beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 9212beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 9222beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 9232beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 924be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 925be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 926e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 927e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 928e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 929e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 930e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 931e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 932e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 933e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 93489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 93589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 937200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 93834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 93934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 94034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 941e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 942e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 94334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 94434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 945e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 946e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 947e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 948e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent status_t status = AudioSystem::getOutputForAttr(attr, &output, 949e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent (audio_session_t)mSessionId, &streamType, 950e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mSampleRate, mFormat, mChannelMask, 951e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mFlags, mOffloadInfo); 952e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 953e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 954e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 9555bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi ALOGE("Could not get audio output for stream type %d, usage %d, sample rate %u, format %#x," 9565bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 957e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 95838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 95938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 96038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 96138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 96238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 96338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 964ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 965ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 966d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 967241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 968ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 9699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 97038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 971d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 972d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 973ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 974b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 975ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 976b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 97738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 978ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 979ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 980ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 981b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 982ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 983b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 98438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 985ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 9860d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 9870d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 9880d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 9894a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 9904a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 99143bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 9924a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 9934a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 994363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 995c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 996c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK)) && 99743bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 99843bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 9993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 1000093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1001363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 10024a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 1003e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 10044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1005ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 1006b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 1007b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 1008ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 1009ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 1010ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 1011ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 1012363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten const uint32_t nBuffering = (mSampleRate == afSampleRate) ? 2 : 3; 1013ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 1014d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 1015e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1016363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 1017363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 1018e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1019363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1020e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1021363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1022e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1023e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1024d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1025b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1026b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1027b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1028363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1029e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1030a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 1031e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 1032b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten size_t alignment = audio_bytes_per_sample( 1033b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : mFormat); 1034b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1035b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1036b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1037a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1038e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1039e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1040e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10411d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1042a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1043363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 104438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 104538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1046e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1047e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1048e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1049e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1050e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1051e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1052b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten frameCount = mSharedBuffer->size() / mFrameSizeAF; 1053e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1054363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (!(mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 1055e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1056e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 1057e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1058d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 1059d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 106034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("afFrameCount=%zu, minBufCount=%d, afSampleRate=%u, afLatency=%d", 1061bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 1062ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 1063ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 10647c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 1065d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1066cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung size_t minFrameCount = afFrameCount * minBufCount * uint64_t(mSampleRate) / afSampleRate; 106734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("minFrameCount: %zu, afFrameCount=%zu, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 10683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 1069363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten minFrameCount, afFrameCount, minBufCount, mSampleRate, afSampleRate, afLatency); 1070d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1071e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 1072e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 1073ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 1074e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 107534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("Minimum buffer size corrected from %zu to %zu", 1076e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 1077e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 1078e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1079ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 1080ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1081ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 1082ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1083e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1084e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 1085e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 1086d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1087d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1088a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1089a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1090a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1091a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 10923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 10933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1094363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 10954a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 10963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 10973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 10983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 10994a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 11004a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1101363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1102b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1103b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1104b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1105ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1106ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1107ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1108ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 110974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 111074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1111e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1112363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 111360a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 1114c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT && 1115c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT) ? 1116363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : mFormat, 1117a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 111874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1119e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1120363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 112134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 11223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1123be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1124462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 112534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 112634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1127c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 112829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 112938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 113034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1131c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1132c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 113338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 113438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 113538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1136d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1137d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 113829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 113934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 114034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 11410cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 11420cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 11430cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 11440cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 11450cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 114653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 1148f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->unlinkToDeath(mDeathNotifier, this); 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 115134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1152d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 11533bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 11543bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 11550cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1156d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 115774935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1158b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1159b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1160b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1161b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 116234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1163b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1164b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 11655f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1166a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1167363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1168e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 116934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1170a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 1171363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1172b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1173b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1174b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1175b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1176b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 11779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 118034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1181093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1182363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1183363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1184ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1185ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1188e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1190363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1191b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1192b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1193b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1194b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1195363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 119638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 119738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1198b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1199b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1200ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1201ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1202ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1203ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1204ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1205ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1206ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1207ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1208ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1209ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1210b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 121138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 121238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1220363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 122234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1223363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 122434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 122534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 12262beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1227e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1228363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 12295f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1230b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1231093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1232093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1233b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1234b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1235093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1236e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1237e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1238363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 12419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1245e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1246e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han mProxy->setVolumeLR(gain_minifloat_pack( 1247e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_LEFT]), 1248e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han gain_from_float(mVolume[AUDIO_INTERLEAVE_RIGHT]))); 1249e6a9d65845032644b0865b6e3d0b5a820f35d9e4seunghak.han 1250e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1251e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 1255f888020c6e2735624f2b2a30e72aca24e17b8b4dMarco Nelissen IInterface::asBinder(mAudioTrack)->linkToDeath(mDeathNotifier, this); 1256e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 125734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 125838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 125938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 126038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1261e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 126238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 126338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 126438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 126538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 126634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 126734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 126889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 126989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1281df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 12879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 12889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 12899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 12909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 12939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 12969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 13009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 13019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 13029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 13039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1304e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 13059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 13069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 13129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 13189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 13191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 13209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 13219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 13229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 13239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 13249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 13259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1327b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1328b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1329b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 133189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 133289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1335c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 13379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 13399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1340b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1341b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1342b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1343b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1344b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1345b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1346b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1347b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 135189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 135289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1354c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 135889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 136089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 13659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 136689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 136889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 136989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 137189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 13789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1384e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 13851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1386200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 13879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 13889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 13899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 13919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 13929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 139396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1394c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 13959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1396df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1397df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1398df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 140089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 140189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1403720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 140489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 14059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1406d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1407d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 140889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1409ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1410ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1411ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1412ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1413ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1414ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1415ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1416ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1417ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1418ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 142099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 142199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1422377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 14309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1431c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1432720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1433720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 14359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1437d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 143989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 144089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 144189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 14420ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 144389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 14463302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 144789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 144989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 145189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 145289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 145389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 145689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 145789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 145889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 145989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 146089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 146189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14624ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 14634ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 14644ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14664ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 14674ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1468d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 14694ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 14704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1472d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1473d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1474d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1475d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1477d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 14784ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 14794ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1480c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1481d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 148296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 14834ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 14844ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 148596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 14864ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14874ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14884ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14894ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 14904ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 149196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 14934ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 14954ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1496d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 14974ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14984ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14994ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 15004ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15014ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15024ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 15034ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 15044ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1505df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1506df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1507df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1508d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1509df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1510df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 151196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 151296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1513df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1515df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1516df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 15174ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1518df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 15194ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15204ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15214ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 15224ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 15234ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 15244ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 15254ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15264ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15274ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 15284ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15297c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 153089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1531fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1532fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1533fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1534fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1535fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 15361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1537a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1538a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1539a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1540a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1541a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1542a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1543a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1544a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1545a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1546a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1547a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1548a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1549a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1550a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1551a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1552a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1553a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1554b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1555b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1556a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 15571703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 156096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1561a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1564b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1565b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1566b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1567ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1568b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1569b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1570b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1571b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1572b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 157389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1574c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1575b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 159689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 159789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1599200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 160189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 16204ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung uint32_t loopPeriod = mLoopCount != 0 ? mLoopEnd - mLoopStart : 0; 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1622838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 163096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1638b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1639b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1640b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1641b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1642b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 164396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1644b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1645b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1646b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1647b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1648b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 164996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 165096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 165196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 165296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 165396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 165496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 165596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 165696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1657c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1658b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1659b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 166096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 166196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 166296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 166396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1664b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 166596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1667b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1689b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1693b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1694ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1695b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1696b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 169789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 169889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 170289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 170389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 171589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 171689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 17212267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 17222267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 173589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1746c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 175234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 17539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 175534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1756b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1758b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1759b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 176189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 176489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 176642a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1775d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 177689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 177789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 177889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 177989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 17800ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 178189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 178289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 178389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 178589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 178789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 179034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 179134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 17968555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 17978555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 17988555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 17998555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1801d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 180289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18030ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1804511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1805511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 180789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 180889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 181789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 181889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 181989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 18279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 18289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 18339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 18349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 18359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 184189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 18449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 184789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 184889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 18501703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1851b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1852ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 18541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 18551703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1856a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1857d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 1858a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1859a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1860ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 186123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1862b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1863b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1864b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1865200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 18664ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung size_t bufferPosition = 0; 18674ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung int loopCount = 0; 18684ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 18694ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->getBufferPositionAndLoopCount(&bufferPosition, &loopCount); 18704ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } 1871200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1872200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1873a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1874200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1875200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1876200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten result = createTrack_l(); 1877cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1878cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 18799b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // For streaming tracks, this is the amount we obtained from the user/client 18809b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung // (not the number actually consumed at the server - those are already lost). 1881200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 18829b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung if (mStaticProxy != 0) { 18839b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung mPosition = mReleased; 18849b4615887c23548438fd0d8e3d8f04ac21912850Andy Hung } 1885a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1886a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 18874ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung // Continue playback from last known position and restore loop. 18884ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (mStaticProxy != 0) { 18894ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung if (loopCount != 0) { 18904ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPositionAndLoop(bufferPosition, 18914ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mLoopStart, mLoopEnd, loopCount); 18924ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung } else { 18934ede21d9c1f957baf5e561849ff9bbe4bcbefc20Andy Hung mStaticProxy->setBufferPosition(bufferPosition); 18941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1897a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 18981703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 1903c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 19041703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 19051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 19061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 19071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 19081703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1909200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 1910200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 1911200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 1912200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 1913200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 1914200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 1915200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 1916200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 1917200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 1918200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 1919200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 1920200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 1921200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 1922200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 1923200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 1924200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 1925200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 1926200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 1927200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 1928200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 1929200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1930ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1931ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1932ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 193353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1934ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1935ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1936ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1937ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 193853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1939fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1940fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1941fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1942fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 19457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 19467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 19477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 19487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 19497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 19507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 19527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 19537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 19547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 19557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 19577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 19587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 19597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 1960fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 1962275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent if (mCblk->mFlags & CBLK_INVALID) { 1963275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent restoreTrack_l("getTimestamp"); 1964275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent } 1965275e8e9de2e11b4b344f5a201f1f0e51fda02d9cEric Laurent 1966200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 1967200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 1968fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 19697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 1970dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 19717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 19727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 19747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 19757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 19767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 19777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 19787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 19797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 19827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 19837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 19847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 19857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 19867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19877f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 19887f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19897f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 19907f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 19917f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 19927f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 19937f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19947f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 19957f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaPositionByUs = timestamp.mPosition * 1000000LL / mSampleRate; 19967f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 19987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 19997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 20007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 20017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 20027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 20037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 20047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 20057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 20067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20087f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 20097f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 20107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 2011200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 2012200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 2013200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 2014200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 2015200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 2016200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 2017200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 2018200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 2019200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 2020200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 2021200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 2022200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 2023200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2024200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2025200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2026200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2027200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2028200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2029200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2030200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2031200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2032200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2033200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2034200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2035fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 2036fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2037ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2038ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2039ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2040ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 20412c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2042142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 20432c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2044b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2045b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2046b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2047ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2048ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 204923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 205023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 205123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 205223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 205323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 205423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2055ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2056ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2057ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2058ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2059ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2060ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2061ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2062ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2063ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2064ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2065ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2066ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2067ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 20687c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 206989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 207089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 207189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 207289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 207389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 207489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 207589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 207685ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2077877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 207889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2079377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2080b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 208189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2082e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 208389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 20849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 208589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 208689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 208789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 208889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 208989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 20919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 20939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 20949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 20959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 20979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20987c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 20999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 21009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 21019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 21029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 21039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 21049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 21059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 21069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 210789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 210889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 210989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2110598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2111598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 21123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 211689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 211789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 211889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 211989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 212089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 21213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 21223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 21233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 21243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 21253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 21263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 21273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2128598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2129598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2130598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2131598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 21325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 21335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 21345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 21355a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 21365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 21375a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21389d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21395a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 21405a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21427985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 21437985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 21447985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 21457c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 21469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 21479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 21489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 21505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 21519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 21539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 21545a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 21555a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 21565a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 21575a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 21589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 215934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 21605a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 21619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2162ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 216389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 216489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 21663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 21683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2169598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 21703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 21733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 21753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 21763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 21793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2181598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 21829d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 21833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 21849d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 21863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21895a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 21905a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 21915a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 21925a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 21935a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 21945a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 21955a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 219689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 2197