AudioTrack.cpp revision 142f519aa1acd5804d111e60d100f170fed28405
199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten/* 289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Copyright 2007, The Android Open Source Project 489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** you may not use this file except in compliance with the License. 789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** You may obtain a copy of the License at 889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 1089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** 1189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 1289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 1389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** See the License for the specific language governing permissions and 1589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project** limitations under the License. 1689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project*/ 1789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project//#define LOG_NDEBUG 0 2089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#define LOG_TAG "AudioTrack" 2189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 2289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <sys/resource.h> 239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <audio_utils/primitives.h> 249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <binder/IPCThreadState.h> 2589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <media/AudioTrack.h> 2689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project#include <utils/Log.h> 279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#include <private/media/AudioTrackShared.h> 281ab85ec401801ef9a9184650d0f5a1639b45eeb9Glenn Kasten#include <media/IAudioFlinger.h> 29fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin 30b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_PERIOD_MS 10 31b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald#define WAIT_STREAM_END_TIMEOUT_SEC 120 32b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 33511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten 3489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectnamespace android { 3533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// --------------------------------------------------------------------------- 3633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 3733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh// static 3833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yehstatus_t AudioTrack::getMinFrameCount( 39e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t* frameCount, 40fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 4133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t sampleRate) 4233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh{ 43d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (frameCount == NULL) { 44d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 45d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 4604cd0186305e2b59d23c9147787046c6662029ccGlenn Kasten 47e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME merge with similar code in createTrack_l(), except we're missing 48e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // some information here that is available in createTrack_l(): 49e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_io_handle_t output 50e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_format_t format 51e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_channel_mask_t channelMask 52e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // audio_output_flags_t flags 533b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten uint32_t afSampleRate; 5466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status_t status; 5566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputSamplingRate(&afSampleRate, streamType); 5666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 5770c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output sample rate for stream type %d; status %d", 5870c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 5966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6033005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 61e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten size_t afFrameCount; 6266a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputFrameCount(&afFrameCount, streamType); 6366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 6470c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output frame count for stream type %d; status %d", 6570c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 6666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 6733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 6833005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t afLatency; 6966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten status = AudioSystem::getOutputLatency(&afLatency, streamType); 7066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (status != NO_ERROR) { 7170c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten ALOGE("Unable to query output latency for stream type %d; status %d", 7270c0bfbe5ec88dcc3efa2bd8df26f36cff1cf03aGlenn Kasten streamType, status); 7366a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return status; 7433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh } 7533005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 7633005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh // Ensure that buffer depth covers at least audio hardware latency 7733005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh uint32_t minBufCount = afLatency / ((1000 * afFrameCount) / afSampleRate); 789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minBufCount < 2) { 799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minBufCount = 2; 809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 8133005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh 8233005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh *frameCount = (sampleRate == 0) ? afFrameCount * minBufCount : 83e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten afFrameCount * minBufCount * sampleRate / afSampleRate; 8466a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // The formula above should always produce a non-zero value, but return an error 8566a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten // in the unlikely event that it does not, as that's part of the API contract. 8666a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten if (*frameCount == 0) { 8766a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten ALOGE("AudioTrack::getMinFrameCount failed for streamType %d, sampleRate %d", 8866a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten streamType, sampleRate); 8966a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten return BAD_VALUE; 9066a0467fdddada4caabd0f0a999fbb367fea7beeGlenn Kasten } 913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGV("getMinFrameCount=%d: afFrameCount=%d, minBufCount=%d, afSampleRate=%d, afLatency=%d", 923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten *frameCount, afFrameCount, minBufCount, afSampleRate, afLatency); 9333005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh return NO_ERROR; 9433005a932c60a0780fe9b7307d5988df3d9f6c26Chia-chi Yeh} 9589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// --------------------------------------------------------------------------- 9789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 9889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack() 99879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1004ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1014ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1027064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1037064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 10489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 10589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 10689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 10789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrack( 108fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 10989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 110e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 11128b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 112bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1130ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 11489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 11589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 116838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 118ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 119462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 120d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 121d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 122879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1234ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1244ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1257064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1267064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 12789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1280d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 129a514bdb58b5de4986679f72b7204b4764f7a2778Eric Laurent frameCount, flags, cbf, user, notificationFrames, 130462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen 0 /*sharedBuffer*/, false /*threadCanCallJava*/, sessionId, transferType, 131d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen offloadInfo, uid, pid); 13289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 13389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134c813985abd8ba61e999b3505f6a332574f87a1beAndreas HuberAudioTrack::AudioTrack( 135fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 13689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 137e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 13828b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 13989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 1400ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 14189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 14289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 143838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 1449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 145ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 146462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 147d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 148d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 149879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten : mStatus(NO_INIT), 1504ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed(false), 1514ff14bae91075eb274eb1c2975982358946e7e63John Grossman mPreviousPriority(ANDROID_PRIORITY_NORMAL), 1527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPreviousSchedulingGroup(SP_DEFAULT), 1537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George mPausedPosition(0) 15489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1550d255b2d9061ba31f13ada3fc0f7e51916407176Jean-Michel Trivi mStatus = set(streamType, sampleRate, format, channelMask, 15617a736c3e1d062d7fc916329eb32aef8935614afGlenn Kasten 0 /*frameCount*/, flags, cbf, user, notificationFrames, 157d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen sharedBuffer, false /*threadCanCallJava*/, sessionId, transferType, offloadInfo, 158d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen uid, pid); 15989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 16089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::~AudioTrack() 16289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 16389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mStatus == NO_ERROR) { 16489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Make sure that callback function exits in the case where 16589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // it is looping on buffer full condition in obtainBuffer(). 16689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Otherwise the callback thread will never exit. 16789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project stop(); 16889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (mAudioTrackThread != 0) { 169b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 1703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 17189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread->requestExitAndWait(); 17289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mAudioTrackThread.clear(); 17389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 17553cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten mAudioTrack.clear(); 17689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project IPCThreadState::self()->flushCommands(); 177d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen ALOGV("~AudioTrack, releasing session id from %d on behalf of %d", 178d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen IPCThreadState::self()->getCallingPid(), mClientPid); 179d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::releaseAudioSessionId(mSessionId, mClientPid); 18089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 18189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 18289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::set( 184fff6d715a8db0daf08a50634f242c40268de3d49Glenn Kasten audio_stream_type_t streamType, 18589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project uint32_t sampleRate, 186e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten audio_format_t format, 18728b76b334f92a15a2be3cc9e2f7d229a3275d1acGlenn Kasten audio_channel_mask_t channelMask, 188bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten size_t frameCount, 1890ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent audio_output_flags_t flags, 19089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project callback_t cbf, 19189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project void* user, 192838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames, 19389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const sp<IMemory>& sharedBuffer, 194be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent bool threadCanCallJava, 1959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int sessionId, 196ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald transfer_type transferType, 197462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen const audio_offload_info_t *offloadInfo, 198d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int uid, 199d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen pid_t pid) 20089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 201bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten ALOGV("set(): streamType %d, sampleRate %u, format %#x, channelMask %#x, frameCount %zu, " 202838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten "flags #%x, notificationFrames %u, sessionId %d, transferType %d", 203bce50bfc3846ab008bafa75c5d3f29fd7b5395f7Glenn Kasten streamType, sampleRate, format, channelMask, frameCount, flags, notificationFrames, 20486f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten sessionId, transferType); 20586f04663032ddaa25110149d709bbf896ad83b02Glenn Kasten 2069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (transferType) { 2079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_DEFAULT: 2089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SHARED; 2109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (cbf == NULL || threadCanCallJava) { 2119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_SYNC; 2129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 2139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten transferType = TRANSFER_CALLBACK; 2149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_CALLBACK: 2179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (cbf == NULL || sharedBuffer != 0) { 2189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_CALLBACK but cbf == NULL || sharedBuffer != 0"); 2199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_OBTAIN: 2239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SYNC: 2249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer != 0) { 2259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_OBTAIN but sharedBuffer != 0"); 2269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case TRANSFER_SHARED: 2309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (sharedBuffer == 0) { 2319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Transfer type TRANSFER_SHARED but sharedBuffer == 0"); 2329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 2349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 2359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 2369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Invalid transfer type %d", transferType); 2379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 2389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 239dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mSharedBuffer = sharedBuffer; 2409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mTransfer = transferType; 2419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten ALOGV_IF(sharedBuffer != 0, "sharedBuffer: %p, size: %d", sharedBuffer->pointer(), 24385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten sharedBuffer->size()); 24489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 245e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("set() streamType %d frameCount %u flags %04x", streamType, frameCount, flags); 2461a9ed11a472493cac7f6dfcbfac2064526a493edEric Laurent 2471703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 2489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 24953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 2501dd70b9f04961a06fcb73a97fca10a53b3245d3cEric Laurent if (mAudioTrack != 0) { 25129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Track already in use"); 25289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return INVALID_OPERATION; 25389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 25489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 25589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // handle default values first. 256fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (streamType == AUDIO_STREAM_DEFAULT) { 257fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin streamType = AUDIO_STREAM_MUSIC; 25889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 259dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten if (uint32_t(streamType) >= AUDIO_STREAM_CNT) { 260dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten ALOGE("Invalid stream type %d", streamType); 261dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten return BAD_VALUE; 262dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten } 263dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mStreamType = streamType; 264ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 265b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status_t status; 26689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (sampleRate == 0) { 267b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten status = AudioSystem::getOutputSamplingRate(&sampleRate, streamType); 268b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten if (status != NO_ERROR) { 269b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten ALOGE("Could not get output sample rate for stream type %d; status %d", 270b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten streamType, status); 271b1bef51fec06e8bceec914d1b48b411d3ff2adffGlenn Kasten return status; 272e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 27389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 274e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = sampleRate; 275ea7939a079b3600cab955760839b021326f8cfc3Glenn Kasten 27689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // these below should probably come from the audioFlinger too... 277e1c3962e268ffc12bfd1bd9ea84da1f135f36960Glenn Kasten if (format == AUDIO_FORMAT_DEFAULT) { 278fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin format = AUDIO_FORMAT_PCM_16_BIT; 27989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 28089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 28189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // validate parameters 282fce7a473248381cc83a01855f92581077d3c9ee2Dima Zavin if (!audio_is_valid_format(format)) { 283cac3daa6332bf6d1f7d26adc4a9915f3d7992dd9Glenn Kasten ALOGE("Invalid format %#x", format); 28489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 28589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 286dd5f4c8c4059f890e81b28b026a688febb4e1dd9Glenn Kasten mFormat = format; 287c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 2888ba90326d683b035d99e24db669093e4602a7149Glenn Kasten if (!audio_is_output_channel(channelMask)) { 2898ba90326d683b035d99e24db669093e4602a7149Glenn Kasten ALOGE("Invalid channel mask %#x", channelMask); 2908ba90326d683b035d99e24db669093e4602a7149Glenn Kasten return BAD_VALUE; 2918ba90326d683b035d99e24db669093e4602a7149Glenn Kasten } 292e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelMask = channelMask; 293e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten uint32_t channelCount = popcount(channelMask); 294e3247bf8dd4f8fa8dfa3a108260241ae4a967569Glenn Kasten mChannelCount = channelCount; 2958ba90326d683b035d99e24db669093e4602a7149Glenn Kasten 296e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // AudioFlinger does not currently support 8-bit data in shared memory 297e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (format == AUDIO_FORMAT_PCM_8_BIT && sharedBuffer != 0) { 298e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGE("8-bit data in shared memory is not supported"); 299e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten return BAD_VALUE; 300e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 301e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 302c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent // force direct flag if format is not linear PCM 303b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // or offload was requested 304b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if ((flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 305b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald || !audio_is_linear_pcm(format)) { 306b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV( (flags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) 307b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ? "Offload request, forcing to Direct Output" 308b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald : "Not linear PCM, forcing to Direct Output"); 3090ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent flags = (audio_output_flags_t) 3103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // FIXME why can't we allow direct AND fast? 3110ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent ((flags | AUDIO_OUTPUT_FLAG_DIRECT) & ~AUDIO_OUTPUT_FLAG_FAST); 312c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 3131948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent // only allow deep buffering for music stream type 3141948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent if (streamType != AUDIO_STREAM_MUSIC) { 3151948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent flags = (audio_output_flags_t)(flags &~AUDIO_OUTPUT_FLAG_DEEP_BUFFER); 3161948eb3ea6eee336e8cdab9b0c693f93f5f19993Eric Laurent } 317c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 318e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten if (audio_is_linear_pcm(format)) { 319e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = channelCount * audio_bytes_per_sample(format); 320e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = channelCount * sizeof(int16_t); 321e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } else { 322e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSize = sizeof(uint8_t); 323e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mFrameSizeAF = sizeof(uint8_t); 324e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten } 325e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 326b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // Make copy of input parameter offloadInfo so that in the future: 327b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (a) createTrack_l doesn't need it as an input parameter 328b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten // (b) we can support re-creation of offloaded tracks 329b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten if (offloadInfo != NULL) { 330b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfoCopy = *offloadInfo; 331b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = &mOffloadInfoCopy; 332b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } else { 333b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten mOffloadInfo = NULL; 334b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten } 335b5ccb2d99b2af400c70777a6452f090ac14f5a96Glenn Kasten 33666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = 1.0f; 33766e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = 1.0f; 33805632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten mSendLevel = 0.0f; 339396fabdb6efcdac5aea3d9f559d1beedf6a4cedcGlenn Kasten // mFrameCount is initialized in createTrack_l 340b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 341d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesReq = notificationFrames; 3429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNotificationFramesAct = 0; 343be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSessionId = sessionId; 344d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int callingpid = IPCThreadState::self()->getCallingPid(); 345d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen int mypid = getpid(); 346d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (uid == -1 || (callingpid != mypid)) { 347462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = IPCThreadState::self()->getCallingUid(); 348462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } else { 349462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid = uid; 350462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen } 351d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen if (pid == -1 || (callingpid != mypid)) { 352d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = callingpid; 353d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } else { 354d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen mClientPid = pid; 355d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen } 3562beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = 0; 357093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten mFlags = flags; 3584a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten mCbf = cbf; 359be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 360a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (cbf != NULL) { 361896adcd3ae6a1c7010e526327eff54e16179987bEric Laurent mAudioTrackThread = new AudioTrackThread(*this, threadCanCallJava); 362a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread->run("AudioTrack", ANDROID_PRIORITY_AUDIO, 0 /*stack*/); 363a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 364a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 36534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent // create the IAudioTrack 366363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = createTrack_l(0 /*epoch*/); 367a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten 36834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (status != NO_ERROR) { 369a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten if (mAudioTrackThread != 0) { 370b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExit(); // see comment in AudioTrack.h 371b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mAudioTrackThread->requestExitAndWait(); 372a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten mAudioTrackThread.clear(); 373a997e7a7c5aa2fc7e95316218316f8b7b98786baGlenn Kasten } 37489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 37589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 37634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 37789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 3789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 37989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 38189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3822c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 38389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 385d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 3869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 3899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 39089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 39289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 395b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 39689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 397f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 398b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 3999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 400b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4021703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4042b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 406b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 407b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 408b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 409b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 410b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 414ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 415ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 416ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 41789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 41996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 42089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 42189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 423b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 424b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 425b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 426b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 427b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 43389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 43989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 44889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 45289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 453879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 454a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 45589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 45789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 458b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 464397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 46823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 469b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 470b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 471b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 472b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 473b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 487b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 49023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 491b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 492b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 49789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 49889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 49989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 50089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5019a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 50389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 50689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5134bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 520c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5212c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5222c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5232c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5242c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 526c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 52823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 529b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 530b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5324bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 53389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 53489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 53589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 53689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 537f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 541b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 542b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 5477064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 5483a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 549142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 5507064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 5517064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George // OffloadThread sends HAL pause in its threadLoop.. time saved 5527064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George // here can be slightly off 5537064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 5547064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 5557064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 5567064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 55789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 55889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 559be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 56089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 561f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 562be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 563be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 564be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 56666e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_LEFT] = left; 56766e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mVolume[AUDIO_INTERLEAVE_RIGHT] = right; 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 569e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 570be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 57123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 57259fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 57359fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 574be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 57589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 577b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 579b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 580be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 581be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5822beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 583be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 58405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 585be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 586be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 587be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 589be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 590e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 591be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 592be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 593be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 594be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 595a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 596be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 597be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 599be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 60089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 60189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6023b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 60389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 604b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 6054ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6064ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6074ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 60989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 610573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 61289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 613d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 614d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 615d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 61689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6171703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 618e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 619e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 620e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 621573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 62389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 624a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 62589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6264ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6273b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6284ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6294ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6316f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6326f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6336f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6346f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 63523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 636142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 6376f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 6386f59db12a64f4496866952a251122ccb77a36c6bEric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6396f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 6406f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 6416f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6426f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6436f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 644e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 64589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 64689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 64789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 64889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 649b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 650083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 651083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 652083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 65389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 65989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 66089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 66189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 666c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 66889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 68189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 682fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 683b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 684d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 685d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 68689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 68889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6892c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 69289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 69389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 694a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 69589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 696b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 697b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 698b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 699d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 700d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 701d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 70489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 71089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 711fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 712b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 713d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 714d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7192b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 72189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 72289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 723a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 72489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 725b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 726b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 727b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 728d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 729d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 730d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 73389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 73889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 73989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 740b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 741d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 742d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7449c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7459c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7469c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 756d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 762c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 76389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 76489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 76589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 76789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 768d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 769d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 770d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 77323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 774b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7767064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George if ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING)) { 7777064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 7787064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 7797064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 7807064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7817064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 782142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (mOutput != AUDIO_IO_HANDLE_NONE) { 783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 784b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 785b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 786b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 787b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 788b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 789b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 790b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 791b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 79289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 79389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 79489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 795377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 7969c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 7979c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 7989c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 7999c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8009c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8019c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8029c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8039c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8069c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8079c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8089c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 80989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 81089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 811b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 812083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 813083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 814083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8151703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 818d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 819d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 82589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 82689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 82789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 82838e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 829c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8301703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 831b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8321703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 834be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 835be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8372beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8382beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8392beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8402beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8412beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 842be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 843be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 84489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 84589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8461703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 847363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kastenstatus_t AudioTrack::createTrack_l(size_t epoch) 84834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 84934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 85034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 85134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 852e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 853e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 85434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 85534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 85638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten audio_io_handle_t output = AudioSystem::getOutput(mStreamType, mSampleRate, mFormat, 85738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mChannelMask, mFlags, mOffloadInfo); 858142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output == AUDIO_IO_HANDLE_NONE) { 85938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten ALOGE("Could not get audio output for stream type %d, sample rate %u, format %#x, " 86038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten "channel mask %#x, flags %#x", 86138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mStreamType, mSampleRate, mFormat, mChannelMask, mFlags); 86238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 86338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 86438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 86538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 86638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 86738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 868ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 869ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 870d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 871241618f1b286f9e7e02fe61e96d9194e2e1e8a7aGlenn Kasten status = AudioSystem::getLatency(output, &afLatency); 872ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 87438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 875d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 876d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 877ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 878363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getFrameCount(output, mStreamType, &afFrameCount); 879ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 880363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, mStreamType, status); 88138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 882ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 883ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 884ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 885363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getSamplingRate(output, mStreamType, &afSampleRate); 886ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 887363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, mStreamType, status); 88838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 889ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 890ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 8914a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 8924a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 89343bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 8944a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 8954a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 896363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 897c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 898c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK)) && 89943bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 90043bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 9013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 902093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 903363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 9044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 905e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 9064a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 907ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 908b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 909b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 910ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 911ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 912ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 913ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 914363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten const uint32_t nBuffering = (mSampleRate == afSampleRate) ? 2 : 3; 915ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 916d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 917e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 918363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 919363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 920e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 921363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 922e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 923363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 924e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 925e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 926d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 927b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 928b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 929b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 930363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 931e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 932a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 933e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 934363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t alignment = /* mFormat == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 935a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 936e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 937e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 938e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9391d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 940a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 941363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 94238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 94338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 944e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 945e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 946e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 947e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 948e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 949e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 950363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size()/mChannelCount/sizeof(int16_t); 951e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 952363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (!(mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 953e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 954e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 955e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 956d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 957d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 958bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 959bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 960ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 961ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9627c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 963d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 964363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t minFrameCount = (afFrameCount*mSampleRate*minBufCount)/afSampleRate; 965e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9663acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 967363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten minFrameCount, afFrameCount, minBufCount, mSampleRate, afSampleRate, afLatency); 968d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 969e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 970e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 971ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 972e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 973e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 974e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 975e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 976e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 977ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 978ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 979ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 980ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 981e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 982e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 983e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 984d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 985d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 986a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 987a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 988a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 989a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 9903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 9913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 992363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 9934a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 9943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 9953acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 9963acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 9974a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 9984a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 999363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1000b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1001b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1002b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 100374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 100474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1005363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(mStreamType, 1006363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 100760a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 1008363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT ? 1009363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : mFormat, 1010a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 101174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1012e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1013363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 101434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 10153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1016be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1017462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 101834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 101934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1020c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 102129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 102238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 102334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1024c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1025c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 102638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 102738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 102838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1029d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1030d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 103129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 103234f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 103334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 10340cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 10350cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 10360cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 10370cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 10380cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 103953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 104434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 10455f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1046d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 10470cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1048d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 104974935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1050b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1051b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1052b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1053b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1054b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1055b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1056b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 10575f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1058a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1059363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1060e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1061b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1062a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 1063363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1064b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1065b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1066b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1067b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1068b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1072b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1073093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1074363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1075363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1076ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1077ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1080e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1082363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1083b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1084b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1085b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1086b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1087363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 108838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 108938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1090b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1091b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1092b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 109338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 109438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 10959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 10969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 10979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 10989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 10999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 11009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 11019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1102363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 110434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1105363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 110634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 110734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 11082beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1109e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1110363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 11115f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1112b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1113093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1114093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1115b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1116b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1117093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1118e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1119e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1120363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 11229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 11269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 112766e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[AUDIO_INTERLEAVE_RIGHT] * 0x1000)) << 16) | 112866e4635cb09fadcaccf912f37c387396c428378aGlenn Kasten uint16_t(mVolume[AUDIO_INTERLEAVE_LEFT] * 0x1000)); 1129e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1130e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 11319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1136e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 113734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 113838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 113938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 114038e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 114138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(output); 114238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 114338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 114438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 114538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 114634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 114734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 114889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 114989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1161df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1184e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 118789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 119089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 11959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 119689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 11989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 11991703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 12019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 12029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 12039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 12049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 12069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1207b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1208b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1209b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 12109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 121189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 121289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1215c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 12189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 12199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1220b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1221b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1222b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1223b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1224b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1225b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1226b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1227b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 123189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 123289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1234c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 12369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 12379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 123889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 124089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 12429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 12439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 124689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 124889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 125089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1264e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 127296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1273c5a17425986b4ce3384e6956762c86018b49c4a0Glenn Kasten ALOGW("releaseBuffer() track %p disabled due to previous underrun, restarting", this); 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1275df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1276df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1277df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 127889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 127989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 128089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 128189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 1282720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivissize_t AudioTrack::write(const void* buffer, size_t userSize, bool blocking) 128389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1285d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1286d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 128789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 128999e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 129099e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1291377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 129689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 129789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 12999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1300c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1301720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi status_t err = obtainBuffer(&audioBuffer, 1302720ad9ddb2ac6b55b0dfbfcd2d8360151d8ac427Jean-Michel Trivi blocking ? &ClientProxy::kForever : &ClientProxy::kNonBlocking); 130389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 13049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 130589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1306d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 130789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 131089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 13110ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 131289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 13149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 13153302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 13179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 132289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 13249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 132589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 132789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 132889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 133089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13314ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 13324ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 13334ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13344ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13354ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 13364ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1337d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 13384ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 13394ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1341d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1342d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1343d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1344d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1346d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13474ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13484ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1349c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1350d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 135196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13524ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13534ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 135496f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13554ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13564ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13574ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13584ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13594ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 136096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13624ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13644ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1365d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13664ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13674ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13684ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13694ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13704ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13714ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13724ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13734ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1374df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1375df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1376df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1377d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1378df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1379df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 138096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 138196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1382df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1384df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1385df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13864ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1387df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13884ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13894ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13904ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 13914ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 13924ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 13934ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 13944ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13954ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13964ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 13974ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13987c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 139989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1400fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1401fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1402fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1403fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1404fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 14051703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1406a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1407a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1408a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1409a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1410a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1411a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1412a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1413a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1414a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1415a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1416a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1417a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1418a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1419a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1420a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1421a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1422a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1423b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1424b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1425a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 14261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 14289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 142996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1430a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 14319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 14329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1435b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 143623a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l() || (mSequence == mObservedSequence)) { 1437b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1438b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1439b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1440b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1441b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 144289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1443c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 144689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 146589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 146689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 147089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1491838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1498b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 149996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 15029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1507b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1508b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1509b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1510b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1511b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 151296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1513b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1514b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1515b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1516b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1517b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 151896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 151996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 152096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 152196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 152296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 152396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 152496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 152596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 152896f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 152996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 153096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 153196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1532b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 153396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1534b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1535b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 15379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 15389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 15399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 15419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 15429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1557b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1561b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1562b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1563b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1564b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 156589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 156689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 157089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 158389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 15892267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 15902267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 15949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 15959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 16009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 16019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 160389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1614c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1623b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1624b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 16259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1626b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1627b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 162989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 163289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 163442a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 16359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 16379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 16389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 16409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1643d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 164489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 164589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 164689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 164789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16480ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 164989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 165089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 165189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 165389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16648555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16658555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16668555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16678555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1669d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 167089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16710ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1672511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1673511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 167589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 167689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 168589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 168689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 168789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 16969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 16979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 170989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 171589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 171689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 17181703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1719b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 172023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten isOffloaded_l() ? "Offloaded" : "PCM", from); 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 17221703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 17231703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1724a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 172538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // output parameters in createTrack_l() 1726a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1727a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 172823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 172923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1730b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1731b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1732b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1733a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1734a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1735a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1736cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1737cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1738cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1740363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten result = createTrack_l(position /*epoch*/); 1741a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1742a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1753a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1755a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1756a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1757a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1758a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 175996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17601703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17611703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1764a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17651703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17661703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 17689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17701703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17731703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17741703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1775ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1776ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1777ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 177853cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1779ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1780ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1781ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1782ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 178353cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1784fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1785fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1786fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1787fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1788fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1789fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1790fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1791fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1792fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1793fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1794fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1795fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1796ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1797ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1798ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1799ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 18002c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 1801142f519aa1acd5804d111e60d100f170fed28405Glenn Kasten if (output != AUDIO_IO_HANDLE_NONE) { 18022c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 1803b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1804b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1805b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1806ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1807ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 180823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 180923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 181023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 181123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 181223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 181323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 18147c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 181589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 181689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 181789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 181889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 181989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 182089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 182189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 182285ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 182385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 182489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1825377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 1826b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 182789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1828e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 182989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 18309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 183189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 183289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 183389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 183489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 183589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18447c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 18459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 185389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 185489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 185589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1856598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1857598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18583acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18593acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18603acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18613acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 186289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 186389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 186489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 186589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 186689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18673acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18683acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18693acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18703acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18713acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18723acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18733acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1874598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1875598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1876598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1877598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18785a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 18795a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 18805a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 18815a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 18825a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 18835a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18849d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 18855a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 18865a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 18873acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 18887c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 18899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 18909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 18919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 18935a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 18949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 18959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 18969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 18975a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 18985a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 18995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 19005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 19019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 19029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 19035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 19049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1905ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 190689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 190789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 19093acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19103acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 19113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1912598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 19133acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19143acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19153acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 19163acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19173acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 19183acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 19193acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19203acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19213acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 19223acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19233acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1924598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 19259d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 19263acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 19279d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19283acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 19293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19325a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 19335a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 19345a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19355a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19365a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19375a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19385a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 193989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1940