AudioTrack.cpp revision 7f1bc8af1c46695191bf7e2aba6467f3616629c0
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> 31cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung#include <media/AudioResamplerPublic.h> 32fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 33b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 34b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 35b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 36511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t convertTimespecToUs(const struct timespec &tv) 417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000; 437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung// current monotonic time in microseconds. 467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t getNowUs() 477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung struct timespec tv; 497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (void) clock_gettime(CLOCK_MONOTONIC, &tv); 507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return convertTimespecToUs(tv); 517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 5333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 5433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 55e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 56fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 5733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 59d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 60d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 61d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6204cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 63e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 64e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 65e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 66e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 67e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 68e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 693b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 7066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 7166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 7266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7370c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 7470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 7566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 77e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 7866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 7966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 8070c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 8170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 8266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 8333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 8433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 8566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 8666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 8770c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 8870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 8966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 9033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 9133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 9233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 9333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 9833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 99cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung afFrameCount * minBufCount * uint64_t(sampleRate) / afSampleRate; 10066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 10166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 10266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 10366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 10466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 10566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 10666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 10734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, minBufCount=%d, afSampleRate=%d, afLatency=%d", 1083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 10933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 11033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 11189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 115879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1164ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1174ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1187064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1197064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 12089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 121faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 122faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 123faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 124faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 12589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 128fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 12989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 130e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 132bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 136838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 138ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 139462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 140d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 141d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 142d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 143879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1444ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1454ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1467064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1477064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 14889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1490d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 150a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 151462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 152d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi offloadInfo, uid, pid, pAttributes); 15389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 155c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 156fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 15789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 158e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 15928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1610ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 164838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 166ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 167462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 168d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 169d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 170d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 171879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1724ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1734ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1747064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1757064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1770d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 17817a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 179d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 180d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi uid, pid, pAttributes); 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 191b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 19753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 1983bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 1993bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 201d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen ALOGV("~AudioTrack, releasing session id from %d on behalf of %d", 202d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen IPCThreadState::self()->getCallingPid(), mClientPid); 203d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 20489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 208fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 20989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 210e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 212bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2130ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 21489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 216838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 21789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 218be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 220ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 221462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 222d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 223faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 224d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 22589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 226bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 227838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d", 228bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 22986f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType); 23086f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 264dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 26785ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 26885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 26989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 2711a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 27453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2751dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 27629357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 281fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 282fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 28389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 284faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 285faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 286faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (uint32_t(streamType) >= AUDIO_STREAM_CNT) { 287faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 288faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 289faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 290faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi setAttributesFromStreamType(streamType); 291faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 292faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 293faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (!isValidAttributes(pAttributes)) { 294faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid attributes: usage=%d content=%d flags=0x%x tags=[%s]", 295faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pAttributes->usage, pAttributes->content_type, pAttributes->flags, 296faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pAttributes->tags); 297faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 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 setStreamTypeFromAttributes(mAttributes); 301faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 302faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 303dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 304ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 305b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status_t status; 30689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 3075bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi status = AudioSystem::getOutputSamplingRateForAttr(&sampleRate, &mAttributes); 308b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten if (status != NO_ERROR) { 309b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten ALOGE("Could not get output sample rate for stream type %d; status %d", 310faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType, status); 311b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten return status; 312e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 31389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 314e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 315ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 31689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 317e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 318fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 31989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 32089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 32189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 322fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 323cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 32489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 32589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 326dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 327c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3288ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3298ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3308ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3318ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 332e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 333e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 334e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3358ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 336e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 337e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 338e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 339e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 340e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 341e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 342c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 343b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 344b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 345b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 346b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 347b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 348b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3490ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3510ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 352c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 3531948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 354faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (mStreamType != AUDIO_STREAM_MUSIC) { 3551948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 3561948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 357c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 358b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 359b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 360b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 361b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 362b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 363b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 364b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = mFrameSize; 365e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 366b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 367b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 368b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = channelCount * audio_bytes_per_sample( 369b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : format); 370b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 371b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 372e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 373e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 374b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 375b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 376b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 377b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 378b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 379b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 380b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 381b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 382b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 383b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 38466e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 38566e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 38605632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 387396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 388b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 389d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 391be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 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 414200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 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; 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4302c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 433200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 434200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 435200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 437d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 44489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 44589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 44689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 449f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4541703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4562b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 462b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 463200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 466200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 467200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 4697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 4707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 4717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 4727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 4737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 474ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 475ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 476ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 47789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 478200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 47996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 48089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 48189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 484b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 485b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 486b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 509b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 511b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 513879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 514a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 51789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 524397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 52823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 533b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 5439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 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; 58823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 589b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 590b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5924bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 59389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 59489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 59589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 59689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 597f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 598b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 599b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 600b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 601b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 602b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 6039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 60489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 6059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 6069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 6077064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 6083a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 609142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6107f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 6117f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 6127f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6137f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6147f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6217064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6227064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6237064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6247064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6257064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 628be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 62989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 630c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 631c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 632c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 633be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 634be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 635be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6361703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 63766e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 63866e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 63989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 640c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 641be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 64223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 64359fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 64459fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 645be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 648b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 64989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 650b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 651be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 652be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6532beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 654be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 655c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 656c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 657be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 658be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 659be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 661be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 662e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 663be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 664be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 665be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 666be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 667a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 668be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 669be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 671be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6743b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 67589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 676ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mIsTimed || isOffloadedOrDirect()) { 6774ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6784ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6794ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 6815bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi if (AudioSystem::getOutputSamplingRateForAttr(&afSamplingRate, &mAttributes) != NO_ERROR) { 682573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 684cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung if (rate == 0 || rate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 685d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 686d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 689e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 690e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 691e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 692573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 695a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6974ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6983b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6994ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 7004ff14bae91075eb274eb1c2975982358946e7e63John Grossman 7011703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 7026f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 7036f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 7046f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 7056f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 706ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 707142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 7086f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 709b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7106f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7116f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7126f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7136f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7146f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 715e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 720ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 721083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 722083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 723083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 737c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 7459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 746200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 7499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 75289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 753fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 754ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 755d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 756d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 75789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 75989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 7602c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 76189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 765a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 767ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 768b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 769b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 770d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 771d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 772d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 78089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 782fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 783ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 784d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 785d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 78689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 788200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 78989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7902b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 79189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 794a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 796ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 797b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 798b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 799d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 800d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 801d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 80789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 811ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 812d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 813d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 8159c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8169c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8179c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 8259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 827d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 828200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 833c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 83489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 837200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 839d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 840d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 841d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 844ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 845b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 84689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 847ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 8487064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 8497064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 8507064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 8517064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 8527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 853142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 854b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 855b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 856b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 8577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 8587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 859b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 860b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 861b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 862200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 863200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 864b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 86589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 86689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 86789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 868377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 8699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 8709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 8719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 8729c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8739c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8749c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8759c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8769c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8799c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8809c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8819c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 88289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 88389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 884ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 885083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 886083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 887083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 891d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 892d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 89889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 89989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 90089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 90138e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 902c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 9031703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 904b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 9051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 9061703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 907be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 908be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 9099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9102beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 9112beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 9122beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 9132beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 9142beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 915be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 916be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 91789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 91889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 920200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 92134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 92234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 92334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 92434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 925e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 926e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 92734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 92834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 9295bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi audio_io_handle_t output = AudioSystem::getOutputForAttr(&mAttributes, mSampleRate, mFormat, 93038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mChannelMask, mFlags, mOffloadInfo); 931142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output == AUDIO_IO_HANDLE_NONE) { 9325bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi ALOGE("Could not get audio output for stream type %d, usage %d, sample rate %u, format %#x," 9335bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 9345bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi mStreamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 93538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 93638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 93738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 93838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 93938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 94038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 941ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 942ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 943d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 944241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 945ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 9469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 94738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 948d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 949d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 950ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 951b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 952ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 953b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 95438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 955ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 956ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 957ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 958b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 959ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 960b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 96138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 962ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 963ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 9644a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 9654a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 96643bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 9674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 9684a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 969363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 970c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 971c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK)) && 97243bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 97343bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 9743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 975093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 976363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 9774a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 978e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 9794a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 980ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 981b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 982b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 983ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 984ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 985ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 986ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 987363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten const uint32_t nBuffering = (mSampleRate == afSampleRate) ? 2 : 3; 988ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 989d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 990e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 991363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 992363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 993e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 994363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 995e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 996363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 997e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 998e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 999d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1000b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1001b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1002b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1003363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1004e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1005a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 1006e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 1007b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten size_t alignment = audio_bytes_per_sample( 1008b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : mFormat); 1009b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1010b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1011b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1012a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1013e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1014e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1015e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10161d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1017a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1018363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 101938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 102038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1021e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1022e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1023e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1024e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1025e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1026e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1027b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten frameCount = mSharedBuffer->size() / mFrameSizeAF; 1028e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1029363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (!(mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 1030e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1031e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 1032e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1033d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 1034d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 103534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("afFrameCount=%zu, minBufCount=%d, afSampleRate=%u, afLatency=%d", 1036bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 1037ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 1038ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 10397c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 1040d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1041cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung size_t minFrameCount = afFrameCount * minBufCount * uint64_t(mSampleRate) / afSampleRate; 104234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("minFrameCount: %zu, afFrameCount=%zu, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 10433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 1044363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten minFrameCount, afFrameCount, minBufCount, mSampleRate, afSampleRate, afLatency); 1045d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1046e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 1047e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 1048ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 1049e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 105034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("Minimum buffer size corrected from %zu to %zu", 1051e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 1052e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 1053e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1054ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 1055ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1056ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 1057ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1058e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1059e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 1060e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 1061d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1062d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1063a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1064a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1065a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1066a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 10673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 10683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1069363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 10704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 10713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 10723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 10733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 10744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10754a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1076363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1077b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1078b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1079b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1080ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1081ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1082ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1083ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 108474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 108574935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1086363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(mStreamType, 1087363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 108860a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 1089c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT && 1090c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT) ? 1091363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : mFormat, 1092a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 109374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1094e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1095363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 109634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 10973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1098be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1099462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 110034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 110134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1102c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 110329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 110438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 110534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1106c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1107c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 110838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 110938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 111038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1111d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1112d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 111329357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 111434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 111534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 11160cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 11170cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 11180cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 11190cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 11200cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 112153cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 112634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1127d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 11283bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 11293bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 11300cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1131d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 113274935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1133b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1134b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1135b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1136b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 113734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1138b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1139b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 11405f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1141a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1142363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1143e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 114434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1145a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 1146363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1147b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1148b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1149b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1150b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1151b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 11529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 115534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1156093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1157363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1158363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1159ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1160ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 11619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1163e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1165363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1166b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1167b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1168b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1169b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1170363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 117138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 117238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1173b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1174b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1175ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1176ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1177ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1178ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1179ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1180ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1181ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1182ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1183ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1184ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1185b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 118638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 118738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1195363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 119734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1198363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 119934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 120034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 12012beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1202e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1203363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 12045f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1205b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1206093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1207093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1208b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1209b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1210093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1211e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1212e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1213363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1220c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(GAIN_MINIFLOAT_PACKED_UNITY); 1221e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1222e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1227e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 122834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 122938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 123038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 123138e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 123238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(output); 123338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 123438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 123538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 123638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 123734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 123834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 123989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 12429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 12459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 12489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1252df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1275e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 12899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 12901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 12929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 12939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 12969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1298b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1299b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1300b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 13019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 130289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1306c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 13089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 13099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1311b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1312b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1313b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1314b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1315b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1316b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1317b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1318b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 13199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 13209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 13219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1325c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 13279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 13289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 133189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 13339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 13359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 13369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 134089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 134289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 13489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 13549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1355e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 13561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1357200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 13599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 13609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 13629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 136496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1365c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1367df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1368df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1369df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 137089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 137189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 137389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1374720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 137589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1377d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1378d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1380ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1381ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1382ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1383ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1384ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1385ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1386ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1387ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1388ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1389ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 13909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 139199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 139299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1393377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 139489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 139589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 139689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 139889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 14019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1402c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1403720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1404720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 140589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 140789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1408d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 140989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 14130ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 141489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 14159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 14169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 14173302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 141889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 14199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 142289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 142389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 14269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 142789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 142989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 143289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14334ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 14344ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 14354ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14364ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14374ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 14384ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1439d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 14404ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 14414ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1443d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1444d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1445d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1446d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1448d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 14494ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 14504ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1451c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1452d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 145396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 14544ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 14554ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 145696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 14574ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14584ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14594ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14604ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 14614ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 146296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 14644ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 14664ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1467d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 14684ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14694ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14704ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 14714ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14724ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14734ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 14744ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 14754ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1476df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1477df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1478df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1479d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1480df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1481df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 148296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 148396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1484df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1486df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1487df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 14884ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1489df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 14904ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14914ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14924ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 14934ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 14944ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 14954ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 14964ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14974ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14984ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 14994ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15007c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 150189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1502fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1503fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1504fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1505fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1506fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 15071703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1508a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1509a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1510a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1511a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1512a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1513a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1514a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1515a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1516a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1517a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1518a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1519a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1520a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1521a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1522a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1523a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1524a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1525b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1526b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1527a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 15281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 15309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 153196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1532a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 15339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 15349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1535b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1536b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1537b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1538ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1541b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 154489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1545c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1546b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 154889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 156789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1570200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 157289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1593838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1600b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 160196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1609b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1610b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1611b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1612b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1613b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 161496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1615b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1616b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1617b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1618b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1619b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 162096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 162196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 162296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 162396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 162496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 162596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 162696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 162796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1628b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1629b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 163096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 163196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 163296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 163396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1634b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 163596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1636b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1637b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 16439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1659b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1663b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1664ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1665b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 167289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 167389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 168589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 168689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 16912267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 16922267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 170589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1716c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 172234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 172534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1726b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1728b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1729b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 173189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 173489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 173642a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 17419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1745d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 174689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 174789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 174889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 174989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 17500ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 175189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 175289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 175389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 175589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 175789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 176034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 176134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 17668555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 17678555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 17688555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 17698555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1771d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 177289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17730ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1774511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1775511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 17769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 177789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 177889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 17809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 17819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 17829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 17849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 178789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 178889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 178989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 17949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 17999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 181189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 181789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 181889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 18201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1822ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 18241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 18251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1826a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 182738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // output parameters in createTrack_l() 1828a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1829a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1830ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 183123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1832b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1833b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1834b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1835200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 1836200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1837200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1838200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1839a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1840200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1841200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1842200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten result = createTrack_l(); 1843cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1844cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1845200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 1846200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = mReleased; 1847a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1848a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1859a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1861a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1862a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1863a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1864a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 186596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 18661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18671703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1870a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 18711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 18749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 18761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 18781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 18791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 18801703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1881200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 1882200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 1883200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 1884200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 1885200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 1886200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 1887200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 1888200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 1889200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 1890200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 1891200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 1892200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 1893200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 1894200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 1895200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 1896200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 1897200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 1898200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 1899200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 1900200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 1901200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1902ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1903ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1904ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 190553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1906ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1907ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1908ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1909ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 191053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1911fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1912fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1913fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1914fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19157f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19167f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 19177f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 19187f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 19197f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 19207f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 19217f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 19227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 19247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 19257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 19267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 19277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 19297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 19307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 19317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 1932fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 1934200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 1935200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 1936fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 19377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 19387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 19397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 19407f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 19427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 19437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 19447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 19457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 19467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 19477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 19507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 19517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 19527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 19537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 19547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 19567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 19587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 19597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 19607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 19617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 19637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaPositionByUs = timestamp.mPosition * 1000000LL / mSampleRate; 19647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 19667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 19677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 19687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 19697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 19707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 19717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 19727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 19737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 19777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 1979200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 1980200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 1981200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 1982200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 1983200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 1984200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 1985200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 1986200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 1987200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 1988200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 1989200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 1990200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 1991200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 1992200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 1993200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 1994200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 1995200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 1996200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 1997200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 1998200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 1999200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2000200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2001200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2002200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2003fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 2004fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2005ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2006ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2007ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2008ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 20092c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2010142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 20112c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2012b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2013b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2014b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2015ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2016ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 201723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 201823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 201923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 202023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 202123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 202223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2023ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2024ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2025ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2026ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2027ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2028ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2029ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2030ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2031ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2032ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2033ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2034ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2035ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 20367c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 203789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 203889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 203989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 204089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 204189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 204289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 204389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 204485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2045877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 204689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2047377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2048b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 204989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2050e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 205189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 20529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 205389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 205489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 205589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 205689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 205789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 20599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 20619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 20629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 20639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 2064faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivivoid AudioTrack::setAttributesFromStreamType(audio_stream_type_t streamType) { 2065faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 2066faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2067faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi switch(streamType) { 2068faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_DEFAULT: 2069faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_MUSIC: 2070faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_MUSIC; 2071faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_MEDIA; 2072faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2073faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_VOICE_CALL: 2074faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SPEECH; 2075faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_VOICE_COMMUNICATION; 2076faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2077faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_ENFORCED_AUDIBLE: 2078faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags |= AUDIO_FLAG_AUDIBILITY_ENFORCED; 2079faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // intended fall through, attributes in common with STREAM_SYSTEM 2080faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_SYSTEM: 2081faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION; 2082faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_ASSISTANCE_SONIFICATION; 2083faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2084faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_RING: 2085faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION; 2086faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE; 2087faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2088faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_ALARM: 2089faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION; 2090faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_ALARM; 2091faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2092faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_NOTIFICATION: 2093faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION; 2094faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_NOTIFICATION; 2095faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2096faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_BLUETOOTH_SCO: 2097faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SPEECH; 2098faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_VOICE_COMMUNICATION; 2099faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags |= AUDIO_FLAG_SCO; 2100faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2101faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_DTMF: 2102faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SONIFICATION; 2103faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING; 2104faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2105faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_STREAM_TTS: 2106faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_SPEECH; 2107faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY; 2108faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2109faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi default: 2110faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("invalid stream type %d when converting to attributes", streamType); 2111faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 2112faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi} 2113faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2114faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivivoid AudioTrack::setStreamTypeFromAttributes(audio_attributes_t& aa) { 2115faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // flags to stream type mapping 2116faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if ((aa.flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) { 2117faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_ENFORCED_AUDIBLE; 2118faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2119faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 2120faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if ((aa.flags & AUDIO_FLAG_SCO) == AUDIO_FLAG_SCO) { 2121faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_BLUETOOTH_SCO; 2122faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2123faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 2124faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2125faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // usage to stream type mapping 2126faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi switch (aa.usage) { 2127faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_MEDIA: 2128faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_GAME: 2129faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY: 2130faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE: 2131faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_MUSIC; 2132faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2133faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ASSISTANCE_SONIFICATION: 2134faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_SYSTEM; 2135faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2136faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_VOICE_COMMUNICATION: 2137faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_VOICE_CALL; 2138faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2139faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2140faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING: 2141faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_DTMF; 2142faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2143faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2144faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ALARM: 2145faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_ALARM; 2146faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2147faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE: 2148faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_RING; 2149faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2150faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2151faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION: 2152faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST: 2153faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT: 2154faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED: 2155faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_EVENT: 2156faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_NOTIFICATION; 2157faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return; 2158faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2159faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_UNKNOWN: 2160faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi default: 2161faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = AUDIO_STREAM_MUSIC; 2162faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 2163faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi} 2164faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2165faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivibool AudioTrack::isValidAttributes(const audio_attributes_t *paa) { 2166faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // has flags that map to a strategy? 2167faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if ((paa->flags & (AUDIO_FLAG_AUDIBILITY_ENFORCED | AUDIO_FLAG_SCO)) != 0) { 2168faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return true; 2169faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 2170faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi 2171faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // has known usage? 2172faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi switch (paa->usage) { 2173faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_UNKNOWN: 2174faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_MEDIA: 2175faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_VOICE_COMMUNICATION: 2176faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING: 2177faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ALARM: 2178faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION: 2179faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE: 2180faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST: 2181faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT: 2182faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED: 2183faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_NOTIFICATION_EVENT: 2184faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY: 2185faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE: 2186faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_ASSISTANCE_SONIFICATION: 2187faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi case AUDIO_USAGE_GAME: 2188faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi break; 2189faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi default: 2190faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return false; 2191faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 2192faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return true; 2193faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi} 21949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 21959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 21967c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 21979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 21989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 21999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 22009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 22019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 22029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 22039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 22049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 220589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 220689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 220789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2208598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2209598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 22103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 221489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 221589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 221689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 221789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 221889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 22193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 22203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 22213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 22223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 22233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 22243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 22253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2226598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2227598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2228598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2229598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 22305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 22315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 22325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 22335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 22345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 22355a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 22369d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 22375a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 22385a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 22393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 22407c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 22419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 22429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 22439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 22449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 22455a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 22469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 22479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 22489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 22495a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 22505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 22515a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 22525a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 22539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 225434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 22555a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 22569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2257ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 225889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 225989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 22613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 22633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2264598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 22653acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 22683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 22703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 22713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 22743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 22753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2276598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 22779d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 22783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 22799d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 22803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 22813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 22823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 22833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 22845a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 22855a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 22865a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 22875a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 22885a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 22895a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 22905a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 229189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 2292