AudioTrack.cpp revision e83b55dc29ca16092ba02f36f55fa6e0e37fd78c
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn#include <inttypes.h> 22c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten#include <math.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 2434fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn 259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 301ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 31e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent#include <media/AudioPolicyHelper.h> 32cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung#include <media/AudioResamplerPublic.h> 33fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 34b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 35b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 36b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 37511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 4033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t convertTimespecToUs(const struct timespec &tv) 427f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 437f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return tv.tv_sec * 1000000ll + tv.tv_nsec / 1000; 447f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 467f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung// current monotonic time in microseconds. 477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hungstatic int64_t getNowUs() 487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung{ 497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung struct timespec tv; 507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (void) clock_gettime(CLOCK_MONOTONIC, &tv); 517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return convertTimespecToUs(tv); 527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung} 537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 5433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 5533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 56e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 57fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 5833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 5933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 60d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 61d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 62d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 6304cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 64e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 65e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 66e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 67e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 68e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 69e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 703b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 7166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 7266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 7366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 7570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 7666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 78e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 7966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 8066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 8170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 8270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 8366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 8433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 8533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 8666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 8766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 8870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 8970c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 9066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 9133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 9233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 9333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 9433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 9833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 9933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 100cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung afFrameCount * minBufCount * uint64_t(sampleRate) / afSampleRate; 10166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 10266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 10366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 10466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 10566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 10666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 10766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 10834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("getMinFrameCount=%zu: afFrameCount=%zu, minBufCount=%d, afSampleRate=%d, afLatency=%d", 1093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 11033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 11133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 11289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 116879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1174ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1184ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1197064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1207064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 12189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 122faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.content_type = AUDIO_CONTENT_TYPE_UNKNOWN; 123faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage = AUDIO_USAGE_UNKNOWN; 124faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.flags = 0x0; 125faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi strcpy(mAttributes.tags, ""); 12689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 129fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 131e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 133bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1340ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 13589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 137838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 139ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 140462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 141d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 142d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 143d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 144879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1454ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1464ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1477064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1487064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 14989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1500d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 151a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 152462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 153d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi offloadInfo, uid, pid, pAttributes); 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 156c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 157fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 15889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 159e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 16028b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1620ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 165838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 167ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 168462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 169d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 170d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi pid_t pid, 171d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 172879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1734ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1744ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1757064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1767064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1780d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 17917a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 180d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 181d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi uid, pid, pAttributes); 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 18789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 18889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 18989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 192b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 19589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 19689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 19753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 19853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 1993bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mCblkMemory.clear(); 2003bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent mSharedBuffer.clear(); 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 202d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen ALOGV("~AudioTrack, releasing session id from %d on behalf of %d", 203d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen IPCThreadState::self()->getCallingPid(), mClientPid); 204d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 20589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 20689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 20789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 209fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 21089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 211e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 21228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 213bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 2140ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 21589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 21689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 217838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 21889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 219be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 221ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 222462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 223d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 224faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi pid_t pid, 225d9d7fa0873796ac661c44a7fcd6ad5ff697ff01fJean-Michel Trivi const audio_attributes_t* pAttributes) 22689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 227bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 228838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d", 229bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 23086f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType); 23186f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 265dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 26885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 26985ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 27089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 27134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("set() streamType %d frameCount %zu flags %04x", streamType, frameCount, flags); 2721a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 27553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2761dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 27729357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 27889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 282e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (streamType == AUDIO_STREAM_DEFAULT) { 283fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 285faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi if (pAttributes == NULL) { 286223fd5c9738e9665e495904d37d4632414b68c1eEric Laurent if (uint32_t(streamType) >= AUDIO_STREAM_PUBLIC_CNT) { 287faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGE("Invalid stream type %d", streamType); 288faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi return BAD_VALUE; 289faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } 290faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mStreamType = streamType; 291e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 292faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi } else { 293faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi // stream type shouldn't be looked at, this track has audio attributes 294faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi memcpy(&mAttributes, pAttributes, sizeof(audio_attributes_t)); 295faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi ALOGV("Building AudioTrack with attributes: usage=%d content=%d flags=0x%x tags=[%s]", 296faabb51ceef13bf1e3f692219ac410c1cd75d0deJean-Michel Trivi mAttributes.usage, mAttributes.content_type, mAttributes.flags, mAttributes.tags); 297e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mStreamType = AUDIO_STREAM_DEFAULT; 298dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 299ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 30089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 301e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 302fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 30389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 30489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 30589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 306fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 307cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 30889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 30989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 310dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 311c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 3128ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 3138ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 3148ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 3158ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 316e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 317e541269be94f3a1072932d51537905b120ef4733Andy Hung uint32_t channelCount = audio_channel_count_from_out_mask(channelMask); 318e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 3198ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 320e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 321e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 322e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 323e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 324e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 325e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 326c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 327b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 328b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 329b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 330b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 331b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 332b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3330ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3350ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 336c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 337c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 338b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 339b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 340b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 341b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 342b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 343b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 344b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = mFrameSize; 345e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 346b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 347b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 348b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = channelCount * audio_bytes_per_sample( 349b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : format); 350b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 351b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 352e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 353e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 3540d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent // sampling rate must be specified for direct outputs 3550d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (sampleRate == 0 && (flags & AUDIO_OUTPUT_FLAG_DIRECT) != 0) { 3560d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return BAD_VALUE; 3570d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 3580d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = sampleRate; 3590d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent 360b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 361b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 362b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 363b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 364b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 365b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 366b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 367b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 368b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 369b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 37066e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 37166e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 37205632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 373396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 374b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 375d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 377be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 378d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 379d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 380d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 381462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 382462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 383462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 384462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 385d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 386d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 387d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 388d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 389d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 3902beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 391093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3924a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 393be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 394a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 395896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 396a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 397a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 398a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 39934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 4000d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent status_t status = createTrack_l(); 401a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 40234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 403a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 404b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 406a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 407a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 40889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 40989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 41034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 41189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 41389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 41589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 4162c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 41889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 419200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = 0; 420200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 421200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased = 0; 4227f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; 423d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 4249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 4259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 4269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 42889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 43289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 43489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 435f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 438b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4422b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 447b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 449200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 452200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = 0; 4537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // For offloaded tracks, we don't know if the hardware counters are really zero here, 4547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the flush is asynchronous and stop may not fully drain. 4557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // We save the time when the track is started to later verify whether 4567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the counters are realistic (i.e. start from zero after this time). 4577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = getNowUs(); 4587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 459ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 460ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 461ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 463200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = mPosition + mUpdatePeriod; 46496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 470b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 471b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 47889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 48489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 49389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 494b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 495b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 496b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 498879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 499a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 50289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 503b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 509397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 5109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 51323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 517c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 5259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 5269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 533b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 5349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 5359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 53623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 537b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5479a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 54989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 55189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 55289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5594bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5631703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5641703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 566c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5672c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5682c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5692c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5702c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 571b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 572c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 574c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 57523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 576b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 577b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5794bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 58089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 58289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 58389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 584f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 585b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 586b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 587b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 588b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 589b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 59189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 5947064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 5953a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 596142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 5977f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // An offload output can be re-used between two audio tracks having 5987f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // the same configuration. A timestamp query for a paused track 5997f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // while the other is running would return an incorrect time. 6007f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // To fix this, cache the playback position on a pause() and return 6017f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // this time when requested until the track is resumed. 6027f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6037f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // OffloadThread sends HAL pause in its threadLoop. Time saved 6047f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // here can be slightly off. 6057f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6067f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // TODO: check return code for getRenderPosition. 6077f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 6087064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 6097064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 6107064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 6117064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 6127064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 615be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 617c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 618c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 619c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 620be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 621be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 622be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 62466e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 62566e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 627c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 628be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 62923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 63059fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 63159fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 632be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 635b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 63689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 637b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 638be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 639be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 641be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 642c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 643c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 644be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 645be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 646be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 648be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 649e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 650be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 651be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 652be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 653be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 654a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 655be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 656be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 658be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6613b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 66289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 663ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mIsTimed || isOffloadedOrDirect()) { 6644ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6654ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6664ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6670d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent AutoMutex lock(mLock); 6680d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mOutput == AUDIO_IO_HANDLE_NONE) { 6690d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent return NO_INIT; 6700d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 6720d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (AudioSystem::getSamplingRate(mOutput, &afSamplingRate) != NO_ERROR) { 673573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 67489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 675cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung if (rate == 0 || rate > afSamplingRate * AUDIO_RESAMPLER_DOWN_RATIO_MAX) { 676d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 677d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 679e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 680e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 681e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 682573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 68389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 685a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6874ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6883b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6894ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6904ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6926f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6936f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6946f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6956f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 696ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 697142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6986f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 699b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status_t status = AudioSystem::getSamplingRate(mOutput, &sampleRate); 7006f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 7016f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 7026f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7036f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 7046f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 705e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 710ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 711083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 712083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 713083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 7159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 7189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 7199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 7259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 727c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 72989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 7339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 7349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 7359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 736200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 7379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 7389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 7399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 7409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 74289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 743fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 744ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 745d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 746d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 7502c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 75389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 75489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 755a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 75689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 757ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 758b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 759b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 760d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 761d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 762d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 76689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 77089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 77189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 772fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 773ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mCbf == NULL || isOffloadedOrDirect()) { 774d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 775d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 778200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + updatePeriod; 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7802b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 78189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 78289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 78389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 784a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 786ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 787b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 788b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 789d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 790d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 791d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 79589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 79689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 79989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 80089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 801ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 802d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 803d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 8059c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8069c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8079c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 8109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 8119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 8129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 8139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 817d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 818200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mNewPosition = updateAndGetPosition_l() + mUpdatePeriod; 8199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 823c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 82489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 827200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) 82889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 829d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 830d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 831d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 8331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 834ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 835b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 837ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloaded_l() && ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING))) { 8387064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 8397064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 8407064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 8417064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 8427064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 843142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 844b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 845b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 846b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 8477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // FIXME: dspFrames may not be zero in (mState == STATE_STOPPED || mState == STATE_FLUSHED) 8487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // due to hardware latency. We leave this behavior for now. 849b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 850b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 851b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 852200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 853200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 0 : updateAndGetPosition_l(); 854b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 858377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 8599c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 8609c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 8619c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 8629c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8639c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8649c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8659c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8669c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8699c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8709c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8719c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 87289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 87389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 874ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mSharedBuffer == 0 || mIsTimed || isOffloadedOrDirect()) { 875083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 876083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 877083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 881d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 882d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 88889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 88989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 89089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 89138e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 892c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 894b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 897be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 898be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 9002beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 9012beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 9022beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 9032beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 9042beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 905be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 906be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 907e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurentaudio_stream_type_t AudioTrack::streamType() const 908e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent{ 909e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (mStreamType == AUDIO_STREAM_DEFAULT) { 910e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return audio_attributes_to_stream_type(&mAttributes); 911e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent } 912e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent return mStreamType; 913e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent} 914e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 91589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 91689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 918200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenstatus_t AudioTrack::createTrack_l() 91934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 92034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 92134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 922e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 923e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 92434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 92534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 926e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_io_handle_t output; 927e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_stream_type_t streamType = mStreamType; 928e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent audio_attributes_t *attr = (mStreamType == AUDIO_STREAM_DEFAULT) ? &mAttributes : NULL; 929e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent status_t status = AudioSystem::getOutputForAttr(attr, &output, 930e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent (audio_session_t)mSessionId, &streamType, 931e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mSampleRate, mFormat, mChannelMask, 932e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent mFlags, mOffloadInfo); 933e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 934e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent 935e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent if (status != NO_ERROR || output == AUDIO_IO_HANDLE_NONE) { 9365bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi ALOGE("Could not get audio output for stream type %d, usage %d, sample rate %u, format %#x," 9375bd3f38638acab633d181359cc9ec27b80f84d43Jean-Michel Trivi " channel mask %#x, flags %#x", 938e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent streamType, mAttributes.usage, mSampleRate, mFormat, mChannelMask, mFlags); 93938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 94038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 94138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 94238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 94338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 94438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 945ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 946ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 947d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 948241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 949ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 9509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 95138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 952d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 953d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 954ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 955b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getFrameCount(output, &afFrameCount); 956ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 957b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getFrameCount(output=%d) status %d", output, status); 95838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 959ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 960ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 961ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 962b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi status = AudioSystem::getSamplingRate(output, &afSampleRate); 963ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 964b7f24b101d43139b4c747129bfbc4ecf5c468b86Jean-Michel Trivi ALOGE("getSamplingRate(output=%d) status %d", output, status); 96538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 966ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 9670d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent if (mSampleRate == 0) { 9680d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent mSampleRate = afSampleRate; 9690d6db582f2ccc9f8943c5f3965e2994b7d137158Eric Laurent } 9704a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 9714a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 97243bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 9734a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 9744a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 975363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 976c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 977c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK)) && 97843bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 97943bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 9803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 981093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 982363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 9834a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 984e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 9854a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 986ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 987b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 988b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 989ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 990ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 991ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 992ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 993363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten const uint32_t nBuffering = (mSampleRate == afSampleRate) ? 2 : 3; 994ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 995d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 996e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 997363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 998363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 999e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1000363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 1001e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 1002363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 1003e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 1004e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 1005d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1006b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 1007b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 1008b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1009363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 1010e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1011a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 1012e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 1013b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten size_t alignment = audio_bytes_per_sample( 1014b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : mFormat); 1015b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 1016b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 1017b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 1018a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 1019e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 1020e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 1021e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10221d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 1023a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 1024363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 102538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 102638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 1027e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1028e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1029e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 1030e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 1031e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 1032e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 1033b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten frameCount = mSharedBuffer->size() / mFrameSizeAF; 1034e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1035363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (!(mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 1036e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1037e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 1038e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1039d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 1040d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 104134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("afFrameCount=%zu, minBufCount=%d, afSampleRate=%u, afLatency=%d", 1042bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 1043ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 1044ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 10457c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 1046d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1047cd04484f4837b8ca0041d118286ab6a98e84fc75Andy Hung size_t minFrameCount = afFrameCount * minBufCount * uint64_t(mSampleRate) / afSampleRate; 104834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("minFrameCount: %zu, afFrameCount=%zu, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 10493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 1050363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten minFrameCount, afFrameCount, minBufCount, mSampleRate, afSampleRate, afLatency); 1051d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1052e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 1053e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 1054ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 1055e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 105634fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("Minimum buffer size corrected from %zu to %zu", 1057e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 1058e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 1059e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 1060ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 1061ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1062ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 1063ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 1064e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 1065e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 1066e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 1067d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1068d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1069a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1070a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1071a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1072a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 10733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 10743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1075363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 10764a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 10773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 10783acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 10793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 10804a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10814a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1082363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1083b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1084b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1085b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1086ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1087ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent trackFlags |= IAudioFlinger::TRACK_DIRECT; 1088ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1089ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 109074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 109174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1092e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent sp<IAudioTrack> track = audioFlinger->createTrack(streamType, 1093363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 109460a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 1095c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT && 1096c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT) ? 1097363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : mFormat, 1098a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 109974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1100e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1101363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 110234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 11033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1104be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1105462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 110634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 110734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1108c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 110929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 111038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 111134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1112c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1113c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 111438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 111538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 111638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1117d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1118d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 111929357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 112034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 112134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 11220cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 11230cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 11240cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 11250cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 11260cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 112753cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 11289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 11299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 11309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 113234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 1133d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 11343bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent IPCThreadState::self()->flushCommands(); 11353bcffa136909c1fb6e88ee4efd12ccac18360a85Eric Laurent 11360cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1137d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 113874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1139b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1140b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1141b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1142b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 114334fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGW("Requested frameCount %zu but received frameCount %zu", frameCount, temp); 1144b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1145b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 11465f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1147a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1148363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1149e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 115034fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %zu", frameCount); 1151a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 1152363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1153b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1154b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1155b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1156b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1157b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 116134fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %zu", frameCount); 1162093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1163363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1164363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1165ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1166ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1169e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 11703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1171363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1172b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1173b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1174b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1175b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1176363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 117738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 117838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1179b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1180b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1181ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (mFlags & AUDIO_OUTPUT_FLAG_DIRECT) { 1182ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (trackFlags & IAudioFlinger::TRACK_DIRECT) { 1183ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGV("AUDIO_OUTPUT_FLAG_DIRECT successful"); 1184ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } else { 1185ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ALOGW("AUDIO_OUTPUT_FLAG_DIRECT denied by server"); 1186ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_DIRECT); 1187ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent // FIXME This is a warning, not an error, so don't return error status 1188ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent //return NO_INIT; 1189ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1190ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1191b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 119238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 119338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 11959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1201363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 12029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 120334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1204363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 120534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 120634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 12072beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1208e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1209363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 12105f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1211b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1212093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1213093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1214b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1215b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1216093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1217e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1218e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1219363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 12209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1226c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(GAIN_MINIFLOAT_PACKED_UNITY); 1227e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1228e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 12329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1233e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 123434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 123538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 123638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 123738e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 1238e83b55dc29ca16092ba02f36f55fa6e0e37fd78cEric Laurent AudioSystem::releaseOutput(output, streamType, (audio_session_t)mSessionId); 123938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 124038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 124138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 124238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 124334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 124434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 124589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 12489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1258df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1281e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 128489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 12899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 12909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 12919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 12929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 12961703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 12989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 13009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 13019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 13029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 13039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1304b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1305b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1306b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1312c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 13169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1317b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1318b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1319b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1320b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1321b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1322b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1323b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1324b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 13259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 13269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 13279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 132889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1331c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 13339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 13349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 133589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 13399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 13419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 13429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 134389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 134589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 134689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 134889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 13509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 13549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 13559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 13579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 13599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 13609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1361e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 13621703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 1363200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mReleased += stepCount; 13649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 13659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 13669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 13679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 13689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 13699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 137096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1371c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1373df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1374df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1375df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 137689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 137789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 137889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 137989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1380720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 138189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1383d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1384d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 138589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1386ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isDirect()) { 1387ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 1388ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent int32_t flags = android_atomic_and( 1389ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), 1390ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent &mCblk->mFlags); 1391ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (flags & CBLK_INVALID) { 1392ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return DEAD_OBJECT; 1393ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1394ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent } 1395ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 13969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 139799e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 139899e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1399377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 140089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 140189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 140289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 140489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 140589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 14079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1408c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1409720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1410720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 141189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 14129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 141389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1414d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 141689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 141789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 141889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 14190ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 142089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 14219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 14229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 14233302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 142489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 14259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 142689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 142889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 142989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 143089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 143389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 143589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 143689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 143789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 143889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14394ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 14404ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 14414ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14424ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14434ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 14444ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1445d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 14464ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 14474ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1449d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1450d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1451d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1452d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1454d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 14554ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 14564ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1457c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1458d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 145996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 14604ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 14614ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 146296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 14634ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14644ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14654ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14664ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 14674ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 146896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 14704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 14724ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1473d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 14744ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 14754ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14764ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 14774ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14784ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14794ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 14804ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 14814ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1482df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1483df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1484df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1485d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1486df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1487df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 148896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 148996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1490df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1492df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1493df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 14944ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1495df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 14964ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14974ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14984ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 14994ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 15004ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 15014ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 15024ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 15034ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15044ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 15054ff14bae91075eb274eb1c2975982358946e7e63John Grossman 15067c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 150789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1508fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1509fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1510fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1511fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1512fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 15131703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1514a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1515a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1516a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1517a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1518a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1519a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1520a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1521a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1522a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1523a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1524a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1525a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1526a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1527a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1528a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1529a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1530a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1531b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1532b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1533a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 15341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 15359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 153796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1538a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1541b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 1544ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (!isOffloadedOrDirect_l() || (mSequence == mObservedSequence)) { 1545b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1546b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1547b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1548b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1549b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 155089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1551c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 155489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 157389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 1576200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t position = updateAndGetPosition_l(); 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 157889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1599838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1606b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 160796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1615b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1616b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1617b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1618b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1619b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 162096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1621b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1622b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1623b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1624b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1625b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 162696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 162796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 162896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 162996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 163096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 163196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 163296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 163396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1634c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 1635b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1636b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 163796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 163896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 163996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 164096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1641b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 164296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1643b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1644b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 16649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1666b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 16679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1670b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1671ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect()) { 1672b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1673b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 167489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 167589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 167989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 168089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 16869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 169289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 169389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 16982267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 16992267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 171289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1723c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 172934fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn "obtainBuffer() err=%d frameCount=%zu", err, audioBuffer.frameCount); 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 17319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 173234fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGV("obtainBuffer(%u) returned %zu = %zu + %zu err %d", 1733b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 17349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1735b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 173889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 17409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 174189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 174342a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1752d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 175389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 175489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 175589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 175689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 17570ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 175889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 175989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 176089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 176289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 176489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 176589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 176734fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn ALOGE("EVENT_MORE_DATA requested %zu bytes but callback returned %zd bytes", 176834fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn reqSize, ssize_t(writtenSize)); 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 17738555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 17748555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 17758555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 17768555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 17779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1778d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 177989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17800ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1781511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1782511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 178489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 178589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 17879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 17889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 17919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 17929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 17939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 179489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 179589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 179689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 17989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 17999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 18009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 18049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 18059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 18069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 18099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 18109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 18119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 18129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 18139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 18149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 18159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 181889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 18209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 18219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 18239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 182489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 182589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 18271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1828b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 1829ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent isOffloadedOrDirect_l() ? "Offloaded or Direct" : "PCM", from); 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 18311703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 18321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1833a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 1834d2d089fc86c62843992e7d5b371ee9227189a1e6Glenn Kasten // output parameters and new IAudioFlinger in createTrack_l() 1835a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1836a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1837ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent if (isOffloadedOrDirect_l()) { 183823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1839b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1840b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1841b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1842200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // save the old static buffer position 1843200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1844200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1845200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack is successfully created, createTrack_l() will modify the 1846a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1847200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory. 1848200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If a new IAudioTrack cannot be created, the previous (dead) instance will be left intact. 1849200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten result = createTrack_l(); 1850cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1851cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1852200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 1853200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mPosition = mReleased; 1854a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1855a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1866a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1868a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1869a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1870a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1871a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 187296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 18731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 18769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1877a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 18781703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18791703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 18819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 18829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 1883c2813e568aa476e03d159529c0af28c99536db8dAndy Hung mReleased = 0; 18841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 18851703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 18861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 18871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 18881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1889200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kastenuint32_t AudioTrack::updateAndGetPosition_l() 1890200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten{ 1891200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This is the sole place to read server consumed frames 1892200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten uint32_t newServer = mProxy->getPosition(); 1893200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten int32_t delta = newServer - mServer; 1894200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten mServer = newServer; 1895200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO There is controversy about whether there can be "negative jitter" in server position. 1896200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // This should be investigated further, and if possible, it should be addressed. 1897200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // A more definite failure mode is infrequent polling by client. 1898200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // One could call (void)getPosition_l() in releaseBuffer(), 1899200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // so mReleased and mPosition are always lock-step as best possible. 1900200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // That should ensure delta never goes negative for infrequent polling 1901200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // unless the server has more than 2^31 frames in its buffer, 1902200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in which case the use of uint32_t for these counters has bigger issues. 1903200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if (delta < 0) { 1904200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten ALOGE("detected illegal retrograde motion by the server: mServer advanced by %d", delta); 1905200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten delta = 0; 1906200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 1907200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return mPosition += (uint32_t) delta; 1908200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten} 1909200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten 1910ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1911ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1912ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 191353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1914ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1915ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1916ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1917ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 191853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1919fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1920fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1921fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1922fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19237f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19247f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung switch (mState) { 19257f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_ACTIVE: 19267f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED: 19277f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // handle below 19287f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_FLUSHED: 19297f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPED: 19307f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19317f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_STOPPING: 19327f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung case STATE_PAUSED_STOPPING: 19337f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (!isOffloaded_l()) { 19347f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return INVALID_OPERATION; 19357f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19367f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; // offloaded tracks handled below 19377f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung default: 19387f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung LOG_ALWAYS_FATAL("Invalid mState in getTimestamp(): %d", mState); 19397f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung break; 1940fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 19417f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 1942200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The presented frame count must always lag behind the consumed frame count. 1943200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // To avoid a race, read the presented frames first. This ensures that presented <= consumed. 1944fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 19457f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (status != NO_ERROR) { 1946dfc34daba6d6cb923683d96689a0cb7c7006eee5Glenn Kasten ALOGV_IF(status != WOULD_BLOCK, "getTimestamp error:%#x", status); 19477f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return status; 19487f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19497f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloadedOrDirect_l()) { 19507f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (isOffloaded_l() && (mState == STATE_PAUSED || mState == STATE_PAUSED_STOPPING)) { 19517f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // use cached paused position in case another offloaded track is running. 19527f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition = mPausedPosition; 19537f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung clock_gettime(CLOCK_MONOTONIC, ×tamp.mTime); 19547f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return NO_ERROR; 19557f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19567f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19577f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Check whether a pending flush or stop has completed, as those commands may 19587f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // be asynchronous or return near finish. 19597f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (mStartUs != 0 && mSampleRate != 0) { 19607f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int kTimeJitterUs = 100000; // 100 ms 19617f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung static const int k1SecUs = 1000000; 19627f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19637f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timeNow = getNowUs(); 19647f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19657f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timeNow < mStartUs + k1SecUs) { // within first second of starting 19667f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t timestampTimeUs = convertTimespecToUs(timestamp.mTime); 19677f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (timestampTimeUs < mStartUs) { 19687f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; // stale timestamp time, occurs before start. 19697f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19707f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaTimeUs = timestampTimeUs - mStartUs; 19717f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung const int64_t deltaPositionByUs = timestamp.mPosition * 1000000LL / mSampleRate; 19727f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung 19737f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung if (deltaPositionByUs > deltaTimeUs + kTimeJitterUs) { 19747f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // Verify that the counter can't count faster than the sample rate 19757f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // since the start time. If greater, then that means we have failed 19767f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung // to completely flush or stop the previous playing track. 19777f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung ALOGW("incomplete flush or stop:" 19787f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung " deltaTimeUs(%lld) deltaPositionUs(%lld) tsmPosition(%u)", 19797f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung (long long)deltaTimeUs, (long long)deltaPositionByUs, 19807f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung timestamp.mPosition); 19817f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung return WOULD_BLOCK; 19827f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19837f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19847f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung mStartUs = 0; // no need to check again, start timestamp has either expired or unneeded. 19857f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } 19867f1bc8af1c46695191bf7e2aba6467f3616629c0Andy Hung } else { 1987200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Update the mapping between local consumed (mPosition) and server consumed (mServer) 1988200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten (void) updateAndGetPosition_l(); 1989200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Server consumed (mServer) and presented both use the same server time base, 1990200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // and server consumed is always >= presented. 1991200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // The delta between these represents the number of frames in the buffer pipeline. 1992200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If this delta between these is greater than the client position, it means that 1993200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // actually presented is still stuck at the starting line (figuratively speaking), 1994200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // waiting for the first frame to go by. So we can't report a valid timestamp yet. 1995200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten if ((uint32_t) (mServer - timestamp.mPosition) > mPosition) { 1996200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten return INVALID_OPERATION; 1997200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten } 1998200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Convert timestamp position from server time base to client time base. 1999200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // TODO The following code should work OK now because timestamp.mPosition is 32-bit. 2000200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // But if we change it to 64-bit then this could fail. 2001200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // If (mPosition - mServer) can be negative then should use: 2002200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // (int32_t)(mPosition - mServer) 2003200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten timestamp.mPosition += mPosition - mServer; 2004200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // Immediately after a call to getPosition_l(), mPosition and 2005200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // mServer both represent the same frame position. mPosition is 2006200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // in client's point of view, and mServer is in server's point of 2007200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // view. So the difference between them is the "fudge factor" 2008200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // between client and server views due to stop() and/or new 2009200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // IAudioTrack. And timestamp.mPosition is initially in server's 2010200092b7f21d2b98f30b800e79d152636f9ba225Glenn Kasten // point of view, so we need to apply the same fudge factor to it. 2011fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 2012fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 2013ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 2014ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 2015ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 2016ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 20172c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 2018142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 20192c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 2020b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 2021b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 2022b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 2023ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 2024ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 202523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 202623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 202723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 202823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 202923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 203023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 2031ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isDirect() const 2032ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2033ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2034ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isDirect_l(); 2035ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2036ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2037ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurentbool AudioTrack::isOffloadedOrDirect() const 2038ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent{ 2039ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent AutoMutex lock(mLock); 2040ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent return isOffloadedOrDirect_l(); 2041ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent} 2042ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 2043ab5cdbaf65ca509681d2726aacdf3ac8bfb6b3faEric Laurent 20447c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 204589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 204689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 204789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 204889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 204989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 205089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 205189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 205285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 2053877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 205489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2055377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 2056b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 205789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 2058e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 205989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 20609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 206189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 206289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 206389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 206489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 206589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 20669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 20679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 20699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 20709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 20719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 20739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 20747c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 20759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 20769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 20779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 20789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 20799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 20809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 20819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 20829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 208389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 208489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 208589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 2086598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 2087598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 20883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 20893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 20903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 20913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 209289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 209389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 209489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 209589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 209689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 20973acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 20983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 20993acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 21003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 21013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 21023acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 21033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 2104598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 2105598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 2106598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 2107598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 21085a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 21095a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 21105a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 21115a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 21125a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 21135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21149d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 21165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 21173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21187985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent if (exitPending()) { 21197985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent return false; 21207985dcb06e0c29d5cc12d0c0e17e03d5d863cf53Eric Laurent } 21217c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 21229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 21239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 21249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 21265a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 21279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 21289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 21299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 21305a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 21315a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 21325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 21335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 21349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 213534fb29696b0f3abf61b10f8d053b1f33d501de0aMark Salyzyn LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %" PRId64, ns); 21365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 21379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 2138ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 213989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 214089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 21413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 21423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 21443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 2145598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 21463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21483acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 21493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 21513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 21523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21533acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21543acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 21553acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 21563acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 2157598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 21589d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 21593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 21609d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 21613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 21623acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 21633acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 21643acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 21655a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 21665a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 21675a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 21685a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 21695a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 21705a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 21715a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 217289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 2173