AudioTrack.cpp revision c56f3426099a3cf2d07ccff8886050c7fbce140f
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 22c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten#include <math.h> 2389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 291ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 30fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 31b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 32b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 33b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 34511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 3833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 3933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 40e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 41fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 4233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 4333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 44d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 45d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 46d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 4704cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 48e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 49e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 50e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 51e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 52e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 53e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 543b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 5566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 5666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 5766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 5870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 5970c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 6066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 62e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 6366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 6466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 6570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 6670c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 6766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6933005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 7066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 7166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 7370c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 7466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 84e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 8566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 8666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 8766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 8866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 8966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 9066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 9166a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 9433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 9533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 100879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1014ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1024ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1037064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1047064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 109fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 11089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 111e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 11228b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 113bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1140ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 117838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 119ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 120462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 121d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 122d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 123879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1244ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1254ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1267064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1277064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 12889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1290d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 130a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 131462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 132d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen offloadInfo, uid, pid); 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 135c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 136fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 138e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13928b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 14089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1410ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 144838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 146ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 147462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 148d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 149d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 150879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1514ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1524ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1547064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 15589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1560d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 15717a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 158d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 159d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen uid, pid); 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 170b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 17489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 17653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 17789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 178d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen ALOGV("~AudioTrack, releasing session id from %d on behalf of %d", 179d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen IPCThreadState::self()->getCallingPid(), mClientPid); 180d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 185fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 187e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 18828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 189bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1900ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 19289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 193838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 19489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 195be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 197ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 198462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 199d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 200d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 20189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 202bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 203838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d", 204bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 20586f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType); 20686f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 240dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 24485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 24589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 246e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2471a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2481703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 25053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2511dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 25229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 257fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 258fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 25989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 260dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten if (uint32_t(streamType) >= AUDIO_STREAM_CNT) { 261dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten ALOGE("Invalid stream type %d", streamType); 262dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten return BAD_VALUE; 263dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 264dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mStreamType = streamType; 265ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 266b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status_t status; 26789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 268b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status = AudioSystem::getOutputSamplingRate(&sampleRate, streamType); 269b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten if (status != NO_ERROR) { 270b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten ALOGE("Could not get output sample rate for stream type %d; status %d", 271b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten streamType, status); 272b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten return status; 273e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 27489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 275e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 276ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 27789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 278e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 279fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 283fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 284cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 28689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 287dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 288c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2898ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 2908ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 2918ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 2928ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 293e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 294e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten uint32_t channelCount = popcount(channelMask); 295e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 2968ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 297e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 298e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 299e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 300e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 301e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 302e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 303c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 304b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 305b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 306b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 307b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 308b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 309b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3100ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3120ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 313c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 3141948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 3151948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 3161948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 3171948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 318c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 319b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (flags & AUDIO_OUTPUT_FLAG_DIRECT) { 320b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (audio_is_linear_pcm(format)) { 321b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 322b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } else { 323b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = sizeof(uint8_t); 324b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 325b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = mFrameSize; 326e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 327b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten ALOG_ASSERT(audio_is_linear_pcm(format)); 328b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 329b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFrameSizeAF = channelCount * audio_bytes_per_sample( 330b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten format == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : format); 331b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // createTrack will return an error if PCM format is not supported by server, 332b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten // so no need to check for specific PCM formats here 333e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 334e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 335b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 336b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 337b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 338b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 339b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 340b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 341b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 342b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 343b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 344b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 34566e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 34666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 34705632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 348396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 349b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 350d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 352be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 353d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 354d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 355d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 356462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 357462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 358462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 359462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 360d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 361d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 362d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 363d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 364d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 3652beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 366093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3674a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 368be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 369a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 370896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 371a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 372a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 373a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 37434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 375363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = createTrack_l(0 /*epoch*/); 376a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 37734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 378a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 379b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 380b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 381a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 382a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 38689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 38889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3912c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 394d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 3959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 3989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 39989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 404b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 40589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 406f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 407b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 409b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4111703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4132b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 415b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 416b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 417b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 418b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 419b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 423ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 424ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 425ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 42689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 42896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 42989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 432b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 435b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 44289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 46189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 462879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 463a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 46489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 467b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 473397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 47723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 478b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 496b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 49923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 500b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 501b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5109a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 51289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5191703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5224bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5241703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 529c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5302c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5312c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5322c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5332c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 534b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 535c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 53723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5414bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 54289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 546f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 547b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 548b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 549b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 550b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 55389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 5567064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 5573a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 558142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 5597064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 5607064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George // OffloadThread sends HAL pause in its threadLoop.. time saved 5617064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George // here can be slightly off 5627064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 5637064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 5647064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 5657064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 56689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 568be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 56989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 570c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 571c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(left) || left < GAIN_FLOAT_ZERO || left > GAIN_FLOAT_UNITY || 572c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten isnanf(right) || right < GAIN_FLOAT_ZERO || right > GAIN_FLOAT_UNITY) { 573be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 574be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 575be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 57766e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 57866e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 57989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 580c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(gain_minifloat_pack(gain_from_float(left), gain_from_float(right))); 581be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 58223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 58359fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 58459fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 585be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 588b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 58989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 590b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 591be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 592be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5932beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 594be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 595c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten // This duplicates a test by AudioTrack JNI, but that is not the only caller 596c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten if (isnanf(level) || level < GAIN_FLOAT_ZERO || level > GAIN_FLOAT_UNITY) { 597be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 598be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 599be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 6009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 601be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 602e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 603be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 604be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 605be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 606be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 607a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 608be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 609be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 611be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6143b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 61589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 616b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 6174ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6184ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6194ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 622573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 62489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 625d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 626d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 627d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 62889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 630e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 631e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 632e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 633573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 63489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 636a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 63789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6384ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6393b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6404ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6414ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6436f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6446f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6456f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6466f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 64723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 648142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6496f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 6506f59db12a64f4496866952a251122ccb77a36c6bEric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6516f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 6526f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 6536f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6546f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6556f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 656e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 661b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 662083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 663083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 664083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 66589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 67289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 678c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 694fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 695b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 696d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 697d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 7012c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 706a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 708b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 709b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 710b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 711d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 712d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 713d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 723fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 724b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 725d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 726d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 72789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7312b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 735a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 737b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 738b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 739b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 740d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 741d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 742d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 75089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 75189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 752b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 753d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 754d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7569c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7579c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7589c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 768d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 774c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 77989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 780d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 781d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 782d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7841703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 78523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 786b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 78789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7887064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George if ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING)) { 7897064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 7907064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 7917064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 7927064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7937064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 794142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 795b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 796b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 797b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 798b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 799b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 800b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 801b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 802b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 803b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 80589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 807377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 8089c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 8099c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 8109c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 8119c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8129c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8139c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8149c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8159c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8189c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8199c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8209c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 82189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 82289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 823b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 824083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 825083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 826083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 830d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 831d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 83889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 83989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 84038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 841c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 843b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8441703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8451703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 846be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 847be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8492beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8502beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8512beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8522beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8532beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 854be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 855be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 85689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 85789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8581703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 859363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kastenstatus_t AudioTrack::createTrack_l(size_t epoch) 86034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 86134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 86234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 86334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 864e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 865e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 86634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 86734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 86838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten audio_io_handle_t output = AudioSystem::getOutput(mStreamType, mSampleRate, mFormat, 86938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mChannelMask, mFlags, mOffloadInfo); 870142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output == AUDIO_IO_HANDLE_NONE) { 87138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten ALOGE("Could not get audio output for stream type %d, sample rate %u, format %#x, " 87238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten "channel mask %#x, flags %#x", 87338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mStreamType, mSampleRate, mFormat, mChannelMask, mFlags); 87438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 87538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 87638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 87738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 87838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 87938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 880ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 881ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 882d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 883241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 884ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 88638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 887d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 888d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 889ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 890363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getFrameCount(output, mStreamType, &afFrameCount); 891ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 892363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, mStreamType, status); 89338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 894ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 895ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 896ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 897363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getSamplingRate(output, mStreamType, &afSampleRate); 898ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 899363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, mStreamType, status); 90038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 901ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 902ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 9034a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 9044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 90543bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 9064a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 9074a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 908363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 909c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 910c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK)) && 91143bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 91243bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 9133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 914093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 915363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 9164a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 9184a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 919ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 920b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 921b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 922ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 923ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 924ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 925ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 926363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten const uint32_t nBuffering = (mSampleRate == afSampleRate) ? 2 : 3; 927ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 928d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 929e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 930363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 931363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 933363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 934e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 935363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 937e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 938d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 939b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 940b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 941b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 942363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 943e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 944a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 945e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 946b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten size_t alignment = audio_bytes_per_sample( 947b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT ? AUDIO_FORMAT_PCM_16_BIT : mFormat); 948b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten if (alignment & 1) { 949b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten alignment = 1; 950b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten } 951a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 952e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 953e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 954e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9551d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 956a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 957363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 95838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 95938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 960e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 961e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 962e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 963e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 964e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 965e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 966b773038277ba328696832b690b91ce6e95bd1a6cGlenn Kasten frameCount = mSharedBuffer->size() / mFrameSizeAF; 967e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 968363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (!(mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 969e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 970e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 971e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 972d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 973d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 974bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 975bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 976ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 977ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9787c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 979d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 980363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t minFrameCount = (afFrameCount*mSampleRate*minBufCount)/afSampleRate; 981e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 983363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten minFrameCount, afFrameCount, minBufCount, mSampleRate, afSampleRate, afLatency); 984d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 985e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 986e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 987ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 988e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 989e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 990e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 991e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 992e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 993ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 994ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 995ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 996ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 997e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 998e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 999e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 1000d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 1001d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 1002a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 1003a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 1004a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 1005a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 10063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 10073acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1008363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 10094a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 10103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 10113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 10123acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 10134a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10144a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1015363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1016b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1017b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1018b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 101974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 102074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1021363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(mStreamType, 1022363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 102360a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 1024c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT && 1025c4b88a8d0f524666bf0f390075c334d047a104f2Glenn Kasten !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT) ? 1026363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : mFormat, 1027a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 102874935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1029e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1030363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 103134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 10323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1033be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1034462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 103534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 103634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1037c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 103829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 103938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 104034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1041c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1042c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 104338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 104438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 104538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1046d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1047d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 104829357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 104934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 105034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 10510cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 10520cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 10530cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 10540cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 10550cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 105653cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 106134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 10625f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1063d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 10640cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1065d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 106674935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1067b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1068b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1069b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1070b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1071b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1072b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1073b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 10745f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1075a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1076363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1077e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1078b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1079a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 1080363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1081b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1082b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1083b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1084b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1085b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1089b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1090093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1091363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1092363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1093ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1094ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1097e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10983acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1099363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1100b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1101b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1102b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1103b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1104363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 110538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 110638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1107b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1108b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1109b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 111038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 111138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 11139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 11159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 11169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 11179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 11189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1119363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 112134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1122363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 112334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 112434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 11252beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1126e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1127363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 11285f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1129b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1130093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1131093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1132b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1133b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1134093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1135e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1136e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1137363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 11399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1144c56f3426099a3cf2d07ccff8886050c7fbce140fGlenn Kasten mProxy->setVolumeLR(GAIN_MINIFLOAT_PACKED_UNITY); 1145e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1146e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 11479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 11489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 11499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1152e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 115334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 115438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 115538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 115638e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 115738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(output); 115838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 115938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 116038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 116138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 116234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 116334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 116489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 116589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1177df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1200e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 120389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 120689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 12089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 12109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 12119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 12151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 12209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 12229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1223b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1224b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1225b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 12269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 122789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1231c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 12339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 12349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 12359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1236b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1237b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1238b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1239b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1240b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1241b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1242b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1243b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 12459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 124789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1250c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 125489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 125689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 126489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 126589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 126789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1280e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 128896f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1289c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 12909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1291df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1292df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1293df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 129589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 129789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1298720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 129989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 13009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1301d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1302d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 130599e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 130699e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1307377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 131289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 131389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1316c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1317720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1318720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 13209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1322d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 132489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 13270ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 132889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 13299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 13313302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 133289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 13339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 133489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 133689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 133889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 134389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 134489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 134689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13474ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 13484ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 13494ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13504ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13514ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 13524ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1353d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 13544ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 13554ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1357d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1358d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1359d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1360d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1362d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13634ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13644ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1365c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1366d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 136796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13684ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13694ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 137096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13714ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13724ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13734ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13744ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13754ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 137696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13784ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13804ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1381d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13824ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13834ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13844ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13854ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13864ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13874ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13884ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13894ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1390df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1391df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1392df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1393d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1394df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1395df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 139696f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 139796f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1398df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1400df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1401df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 14024ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1403df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 14044ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14054ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14064ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 14074ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 14084ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 14094ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 14104ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14114ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14124ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 14134ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14147c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 141589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1416fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1417fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1418fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1419fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1420fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 14211703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1422a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1423a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1424a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1425a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1426a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1427a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1428a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1429a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1430a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1431a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1432a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1433a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1434a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1435a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1436a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1437a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1438a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1439b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1440b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1441a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 14421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 14449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 144596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1446a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 145223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l() || (mSequence == mObservedSequence)) { 1453b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1454b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1456b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1457b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 145889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1459c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 146289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 148189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 148289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 148689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1507838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 15099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 15109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 151596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 15189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 15199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 15209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 15229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1523b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 152896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1531b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1533b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 153496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 153596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 153696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 153796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 153896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 153996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 154096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 154196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 154496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 154596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 154696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 154796f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1548b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 154996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1550b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1573b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1577b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1578b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1579b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1580b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 158689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 159989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 160089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 16052267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 16062267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 161989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1630c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 16349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1639b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1640b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1642b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1643b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 164589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 164889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 165042a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 16559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 16569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1659d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 166289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 166389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16640ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 166589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 166689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 166989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 167189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 167289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16808555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16818555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16828555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16838555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1685d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 168689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16870ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1688511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1689511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 169189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 169289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 170189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 170289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 170389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 17209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 172589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 17309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 173189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 173289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 17341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1735b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 173623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten isOffloaded_l() ? "Offloaded" : "PCM", from); 17379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 17381703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 17391703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1740a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 174138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // output parameters in createTrack_l() 1742a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1743a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 174423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 174523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1746b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1747b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1748b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1749a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1750a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1751a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1752cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1753cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1754cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1756363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten result = createTrack_l(position /*epoch*/); 1757a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1758a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1769a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1771a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1772a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1773a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1774a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 177596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1780a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17811703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 17849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17861703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17871703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17881703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17891703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17901703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1791ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1792ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1793ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 179453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1795ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1796ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1797ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1798ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 179953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1800fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1801fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1802fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1803fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1804fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1805fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1806fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1807fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1808fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1809fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1810fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1811fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1812ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1813ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1814ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1815ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 18162c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 1817142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 18182c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 1819b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1820b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1822ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1823ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 182423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 182523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 182623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 182723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 182823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 182923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 18307c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 183189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 183289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 183489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 183589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 183689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 183885ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 1839877a0ac7e8677fa1cbd0e8565ad9d38ba0db5fc0Glenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); 184089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1841377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 1842b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 184389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1844e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 184589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 184789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 184889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 184989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 185089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 185189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18607c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 186989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 187089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 187189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1872598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1873598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18743acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18753acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18773acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 187889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 187989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 188089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 188189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 188289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18833acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18843acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18853acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18863acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1890598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1891598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1892598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1893598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18945a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18955a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18965a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 19009d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 19025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 19033acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19047c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 19059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 19069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 19079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 19089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 19095a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 19109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 19119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 19129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 19135a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 19145a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 19155a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 19165a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 19189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 19195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 19209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1921ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 192289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 192389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19243acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 19253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 19273acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1928598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 19293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 19323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19333acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 19343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 19353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 19383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1940598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 19419d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 19423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 19439d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 19453acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19463acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19485a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 19495a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 19505a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19515a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19525a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19535a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19545a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 195589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1956