AudioTrack.cpp revision 3a90f2849d49bf65f2d6257fd6da30ae46d745fa
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 33634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[LEFT] = 1.0f; 33734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mVolume[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 } 3742b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // Use of direct and offloaded output streams is ref counted by audio policy manager. 37538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#if 0 // FIXME This should no longer be needed 37638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //Use of direct and offloaded output streams is ref counted by audio policy manager. 377b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 378b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 37938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (mOutput != 0) { 38038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(mOutput); 38138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = 0; 38238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 38338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#endif 38489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return status; 38589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 38634f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 38789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mStatus = NO_ERROR; 3889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 38989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUserData = user; 3909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 39189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = 0; 3922c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 39389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mNewPosition = 0; 39489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = 0; 395d457c970c8d08519cd77280a90b61ae1e342cfe3Marco Nelissen AudioSystem::acquireAudioSessionId(mSessionId, mClientPid); 3969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mSequence = 1; 3979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = mSequence; 3989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 3999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 40089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 40189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 40289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 40389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 40489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 405b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgeraldstatus_t AudioTrack::start() 40689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 407f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 408b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 410b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 4119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4121703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 4139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 4142b584244930c9de0e3bc46898a801e9ccb731900Eric Laurent 4159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten State previousState = mState; 416b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_PAUSED_STOPPING) { 417b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 418b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 419b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_ACTIVE; 420b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (previousState == STATE_STOPPED || previousState == STATE_FLUSHED) { 4229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // reset current position as seen by client to 0 4239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(mProxy->getEpoch() - mProxy->getPosition()); 424ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // force refresh of remaining frames by processAudioBuffer() as last 425ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent // write before stop could be partial. 426ec9a032c2e104ab1e3b5bf73e69dab1408ced0adEric Laurent mRefreshRemaining = true; 42789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 42996f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten int32_t flags = android_atomic_and(~CBLK_DISABLED, &mCblk->mFlags); 43089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 43189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project sp<AudioTrackThread> t = mAudioTrackThread; 4329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 433b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState == STATE_STOPPING) { 434b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 435b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 436b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->resume(); 437b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 4389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 4399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mPreviousPriority = getpriority(PRIO_PROCESS, 0); 4409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten get_sched_policy(0, &mPreviousSchedulingGroup); 4419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten androidSetThreadPriority(0, ANDROID_PRIORITY_AUDIO); 4429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 44389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 4449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 4459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!(flags & CBLK_INVALID)) { 4469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = mAudioTrack->start(); 4479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 4489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flags |= CBLK_INVALID; 44989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 4509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 4529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("start"); 4539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 4569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("start() status %d", status); 4579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = previousState; 45889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (t != 0) { 459b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (previousState != STATE_STOPPING) { 460b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 461b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 46289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } else { 463879135196fd1c97deefc538c888037c56c2879a7Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 464a636433cbd09c0708b85f337ef45c0cdef3bcb4dGlenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 46589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 46789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 468b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return status; 4699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 4709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 4719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::stop() 4729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 4739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 474397edb3377e5775f4df60afb8bf6d4711e5adc0eGlenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 4759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 4769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 47823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 479b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPING; 480b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 481b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_STOPPED; 482b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 483b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 4859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->stop(); 4869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the playback head position will reset to 0, so if a marker is set, we need 4879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to activate it again 4889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = false; 4899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 4909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Force flush if a shared buffer is used otherwise audioflinger 4919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // will not stop before end of buffer is reached. 4929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // It may be needed to make sure that we stop playback, likely in case looping is on. 4939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 4949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 4959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 4969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 497b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 4989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackThread> t = mAudioTrackThread; 4999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (t != 0) { 50023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l()) { 501b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald t->pause(); 502b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 5049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setpriority(PRIO_PROCESS, 0, mPreviousPriority); 5059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten set_sched_policy(0, mPreviousSchedulingGroup); 5069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 50789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 50889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 50989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::stopped() const 51089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5119a2aaf927e56a4b4acab23ef16b3f133a9f48a63Glenn Kasten AutoMutex lock(mLock); 5129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mState != STATE_ACTIVE; 51389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 51489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 51589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::flush() 51689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 5179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mSharedBuffer != 0) { 5189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 5201703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 5219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE || mState == STATE_FLUSHED) { 5229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 5234bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten } 5249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten flush_l(); 5251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 5261703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 5271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurentvoid AudioTrack::flush_l() 5281703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 5299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOG_ASSERT(mState != STATE_ACTIVE); 530c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5312c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi // clear playback marker and periodic update counter 5322c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerPosition = 0; 5332c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 5342c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mUpdatePeriod = 0; 535b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRefreshRemaining = true; 536c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 5379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_FLUSHED; 53823a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 539b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->interrupt(); 540b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 5419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->flush(); 5424bae3649d504d590a546717a8e49f96a30d9a745Glenn Kasten mAudioTrack->flush(); 54389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 54489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 54589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::pause() 54689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 547f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 548b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_ACTIVE) { 549b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED; 550b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else if (mState == STATE_STOPPING) { 551b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mState = STATE_PAUSED_STOPPING; 552b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 5539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 55489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 5559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->interrupt(); 5569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->pause(); 5577064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 5583a90f2849d49bf65f2d6257fd6da30ae46d745faMarco Nelissen if (isOffloaded_l()) { 5597064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George if (mOutput != 0) { 5607064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George uint32_t halFrames; 5617064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George // OffloadThread sends HAL pause in its threadLoop.. time saved 5627064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George // here can be slightly off 5637064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George AudioSystem::getRenderPosition(mOutput, &halFrames, &mPausedPosition); 5647064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("AudioTrack::pause for offload, cache current position %u", mPausedPosition); 5657064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 5667064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 56789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 56889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 569be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::setVolume(float left, float right) 57089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 571f0c495012bad92230604a9a12a907812ec49ee8fGlenn Kasten if (left < 0.0f || left > 1.0f || right < 0.0f || right > 1.0f) { 572be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 573be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 574be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5751703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 57689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[LEFT] = left; 57789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mVolume[RIGHT] = right; 57889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 579e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(right * 0x1000)) << 16) | uint16_t(left * 0x1000)); 580be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 58123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 58259fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent mAudioTrack->signal(); 58359fe010bcc072597852454a2ec53d7b0a2002a3bEric Laurent } 584be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 58589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 58689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 587b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kastenstatus_t AudioTrack::setVolume(float volume) 58889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 589b1c0993b215c5c3eebd1c6bafc22bba23d57a70bGlenn Kasten return setVolume(volume, volume); 590be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 591be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5922beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurentstatus_t AudioTrack::setAuxEffectSendLevel(float level) 593be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 59405632a5fa4b88ca474294887fc92a9fcdf0e2352Glenn Kasten if (level < 0.0f || level > 1.0f) { 595be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return BAD_VALUE; 596be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 597be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 5989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 599be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent mSendLevel = level; 600e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(level); 601be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 602be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent return NO_ERROR; 603be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 604be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 605a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenvoid AudioTrack::getAuxEffectSendLevel(float* level) const 606be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 607be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent if (level != NULL) { 6089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *level = mSendLevel; 609be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent } 61089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 61189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6123b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kastenstatus_t AudioTrack::setSampleRate(uint32_t rate) 61389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 614b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mIsTimed || isOffloaded()) { 6154ff14bae91075eb274eb1c2975982358946e7e63John Grossman return INVALID_OPERATION; 6164ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6174ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t afSamplingRate; 61989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (AudioSystem::getOutputSamplingRate(&afSamplingRate, mStreamType) != NO_ERROR) { 620573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_INIT; 62189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 62289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Resampler implementation limits input sampling rate to 2 x output sampling rate. 623d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (rate == 0 || rate > afSamplingRate*2 ) { 624d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 625d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 62689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6271703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 628e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mSampleRate = rate; 629e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(rate); 630e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 631573266210fb2b2e7d86fbd46d0dfe16763611d91Eric Laurent return NO_ERROR; 63289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 63389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 634a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenuint32_t AudioTrack::getSampleRate() const 63589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 6364ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (mIsTimed) { 6373b16c766d1ae2cfd8487e8ffb2b23936fc0a8e17Glenn Kasten return 0; 6384ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 6394ff14bae91075eb274eb1c2975982358946e7e63John Grossman 6401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 6416f59db12a64f4496866952a251122ccb77a36c6bEric Laurent 6426f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // sample rate can be updated during playback by the offloaded decoder so we need to 6436f59db12a64f4496866952a251122ccb77a36c6bEric Laurent // query the HAL and update if needed. 6446f59db12a64f4496866952a251122ccb77a36c6bEric Laurent// FIXME use Proxy return channel to update the rate from server and avoid polling here 64523a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 6466f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (mOutput != 0) { 6476f59db12a64f4496866952a251122ccb77a36c6bEric Laurent uint32_t sampleRate = 0; 6486f59db12a64f4496866952a251122ccb77a36c6bEric Laurent status_t status = AudioSystem::getSamplingRate(mOutput, mStreamType, &sampleRate); 6496f59db12a64f4496866952a251122ccb77a36c6bEric Laurent if (status == NO_ERROR) { 6506f59db12a64f4496866952a251122ccb77a36c6bEric Laurent mSampleRate = sampleRate; 6516f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6526f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 6536f59db12a64f4496866952a251122ccb77a36c6bEric Laurent } 654e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten return mSampleRate; 65589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 65689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 65789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setLoop(uint32_t loopStart, uint32_t loopEnd, int loopCount) 65889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 659b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 660083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 661083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 662083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 66389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (loopCount == 0) { 6649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (loopCount >= -1 && loopStart < loopEnd && loopEnd <= mFrameCount && 6669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten loopEnd - loopStart >= MIN_LOOP) { 6679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ; 6689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 66989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 67089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 67189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 6739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 6749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 6759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 676c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent } 6779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten setLoop_l(loopStart, loopEnd, loopCount); 67889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 67989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 68089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenvoid AudioTrack::setLoop_l(uint32_t loopStart, uint32_t loopEnd, int loopCount) 6829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 6839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME If setting a loop also sets position to start of loop, then 6849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // this is correct. Otherwise it should be removed. 6859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 6869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = loopCount != 0 ? loopEnd - loopStart : 0; 6879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(loopStart, loopEnd, loopCount); 6889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 6899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 69089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setMarkerPosition(uint32_t marker) 69189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 692fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting marker position is to get a callback 693b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 694d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 695d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 69689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 6979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 69889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mMarkerPosition = marker; 6992c22aeb65e801f663a754d043062f85e49f77739Jean-Michel Trivi mMarkerReached = false; 70089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 70189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 70289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 70389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 704a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getMarkerPosition(uint32_t *marker) const 70589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 706b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 707b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 708b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 709d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (marker == NULL) { 710d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 711d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 71289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 71489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *marker = mMarkerPosition; 71589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 71789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 71889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 71989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPositionUpdatePeriod(uint32_t updatePeriod) 72089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 721fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // The only purpose of setting position update period is to get a callback 722b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mCbf == NULL || isOffloaded()) { 723d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 724d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 72589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + updatePeriod; 72889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mUpdatePeriod = updatePeriod; 7292b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten 73089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 73189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 73289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 733a5224f319e2ba4b51ddb4287705ccf8d4b8ecc51Glenn Kastenstatus_t AudioTrack::getPositionUpdatePeriod(uint32_t *updatePeriod) const 73489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 735b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 736b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return INVALID_OPERATION; 737b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 738d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (updatePeriod == NULL) { 739d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 740d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 74189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 74389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project *updatePeriod = mUpdatePeriod; 74489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 74689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 74789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 74889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::setPosition(uint32_t position) 74989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 750b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 751d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 752d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (position > mFrameCount) { 7549c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 7559c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 7569c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 7579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 7589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently we require that the player is inactive before setting parameters such as position 7599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // or loop points. Otherwise, there could be a race condition: the application could read the 7609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // current position, compute a new position or loop parameters, and then set that position or 7619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // loop parameters but it would do the "wrong" thing since the position has continued to advance 7629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in the mean time. If we ever provide a sequencer in server, we could allow a way for the app 7639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to specify how it wants to handle such scenarios. 7649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 7659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 766d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mProxy->getPosition() + mUpdatePeriod; 7689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 7699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME Check whether loops and setting position are incompatible in old code. 7709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If we use setLoop for both purposes we lose the capability to set the position while looping. 7719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(position, mFrameCount, 0); 772c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 77389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 77489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 77589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::getPosition(uint32_t *position) const 77789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 778d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten if (position == NULL) { 779d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return BAD_VALUE; 780d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 7819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 7821703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 78323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 784b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t dspFrames = 0; 78589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 7867064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George if ((mState == STATE_PAUSED) || (mState == STATE_PAUSED_STOPPING)) { 7877064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George ALOGV("getPosition called in paused state, return cached position %u", mPausedPosition); 7887064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George *position = mPausedPosition; 7897064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George return NO_ERROR; 7907064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George } 7917064fd2dcdfeafea53cd5a992bb78c413542f29fHaynes Mathew George 792b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mOutput != 0) { 793b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t halFrames; 794b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald AudioSystem::getRenderPosition(mOutput, &halFrames, &dspFrames); 795b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 796b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = dspFrames; 797b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 798b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // IAudioTrack::stop() isn't synchronous; we don't know when presentation completes 799b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald *position = (mState == STATE_STOPPED || mState == STATE_FLUSHED) ? 0 : 800b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mProxy->getPosition(); 801b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 80289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 80389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 80489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 805377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETITstatus_t AudioTrack::getBufferPosition(uint32_t *position) 8069c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten{ 8079c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (mSharedBuffer == 0 || mIsTimed) { 8089c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return INVALID_OPERATION; 8099c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8109c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten if (position == NULL) { 8119c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return BAD_VALUE; 8129c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten } 8139c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 8149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *position = mStaticProxy->getBufferPosition(); 8169c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten return NO_ERROR; 8179c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten} 8189c6745f128648f6e0144b74ee593911a9fa10d51Glenn Kasten 81989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::reload() 82089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 821b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mSharedBuffer == 0 || mIsTimed || isOffloaded()) { 822083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten return INVALID_OPERATION; 823083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten } 824083d1c1492d496960d5b28f4664ff02101736677Glenn Kasten 8251703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 8269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // See setPosition() regarding setting parameters such as loop points or position while active 8279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 828d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 829d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 8309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition = mUpdatePeriod; 8319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 8329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME The new code cannot reload while keeping a loop specified. 8339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Need to check how the old code handled this, and whether it's a significant change. 8349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(0, mFrameCount, 0); 83589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 83689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 83789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 83838e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenaudio_io_handle_t AudioTrack::getOutput() const 839c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent{ 8401703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 841b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return mOutput; 8421703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 8431703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 844be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurentstatus_t AudioTrack::attachAuxEffect(int effectId) 845be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent{ 8469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 8472beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent status_t status = mAudioTrack->attachAuxEffect(effectId); 8482beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent if (status == NO_ERROR) { 8492beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAuxEffectId = effectId; 8502beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent } 8512beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent return status; 852be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent} 853be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent 85489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 85589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 8561703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent// must be called with mLock held 857363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kastenstatus_t AudioTrack::createTrack_l(size_t epoch) 85834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent{ 85934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent status_t status; 86034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 86134f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent if (audioFlinger == 0) { 862e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten ALOGE("Could not get audioflinger"); 863e53b9ead781c36e96d6b6f012ddffc93a3d80f0dGlenn Kasten return NO_INIT; 86434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 86534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 86638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten audio_io_handle_t output = AudioSystem::getOutput(mStreamType, mSampleRate, mFormat, 86738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mChannelMask, mFlags, mOffloadInfo); 86838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (output == 0) { 86938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten ALOGE("Could not get audio output for stream type %d, sample rate %u, format %#x, " 87038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten "channel mask %#x, flags %#x", 87138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mStreamType, mSampleRate, mFormat, mChannelMask, mFlags); 87238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return BAD_VALUE; 87338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 87438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten { 87538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // Now that we have a reference to an I/O handle and have not yet handed it off to AudioFlinger, 87638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // we must release it ourselves if anything goes wrong. 87738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 878ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Not all of these values are needed under all conditions, but it is easier to get them all 879ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 880d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t afLatency; 881363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getLatency(output, mStreamType, &afLatency); 882ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 8839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("getLatency(%d) failed status %d", output, status); 88438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 885d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 886d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 887ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten size_t afFrameCount; 888363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getFrameCount(output, mStreamType, &afFrameCount); 889ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 890363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getFrameCount(output=%d, streamType=%d) status %d", output, mStreamType, status); 89138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 892ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 893ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 894ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten uint32_t afSampleRate; 895363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten status = AudioSystem::getSamplingRate(output, mStreamType, &afSampleRate); 896ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (status != NO_ERROR) { 897363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten ALOGE("getSamplingRate(output=%d, streamType=%d) status %d", output, mStreamType, status); 89838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 899ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 900ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 9014a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // Client decides whether the track is TIMED (see below), but can only express a preference 9024a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // for FAST. Server will perform additional tests. 90343bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten if ((mFlags & AUDIO_OUTPUT_FLAG_FAST) && !(( 9044a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // either of these use cases: 9054a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten // use case 1: shared buffer 906363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten (mSharedBuffer != 0) || 907c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten // use case 2: callback transfer mode 908c6ba823a397abf865b02f4f48fe18231f94d8e87Glenn Kasten (mTransfer == TRANSFER_CALLBACK)) && 90943bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten // matching sample rate 91043bdc1de363a3c72c7dcf9c9a898bac109dc7cb5Glenn Kasten (mSampleRate == afSampleRate))) { 9113acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ALOGW("AUDIO_OUTPUT_FLAG_FAST denied by client"); 912093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 913363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 9144a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 915e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("createTrack_l() output %d afLatency %d", output, afLatency); 9164a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 917ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // The client's AudioTrack buffer is divided into n parts for purpose of wakeup by server, where 918b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 1 fast track with single buffering; nBuffering is ignored 919b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // n = 2 fast track with double buffering 920ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 2 normal track, no sample rate conversion 921ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n = 3 normal track, with sample rate conversion 922ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // (pessimistic; some non-1:1 conversion ratios don't actually need triple-buffering) 923ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // n > 3 very high latency or very small notification interval; nBuffering is ignored 924363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten const uint32_t nBuffering = (mSampleRate == afSampleRate) ? 2 : 3; 925ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten 926d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent mNotificationFramesAct = mNotificationFramesReq; 927e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 928363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t frameCount = mReqFrameCount; 929363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (!audio_is_linear_pcm(mFormat)) { 930e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 931363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer != 0) { 932e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // Same comment as below about ignoring frameCount parameter for set() 933363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size(); 934e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else if (frameCount == 0) { 935e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = afFrameCount; 936d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 937b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mNotificationFramesAct != frameCount) { 938b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mNotificationFramesAct = frameCount; 939b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 940363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (mSharedBuffer != 0) { 941e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 942a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten // Ensure that buffer alignment matches channel count 943e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // 8-bit data in shared memory is not currently supported by AudioFlinger 944363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t alignment = /* mFormat == AUDIO_FORMAT_PCM_8_BIT ? 1 : */ 2; 945a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten if (mChannelCount > 1) { 946e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // More than 2 channels does not require stronger alignment than stereo 947e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten alignment <<= 1; 948e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 9491d6fa7af1288b550faabe4ec2cf98684236723dbNarayan Kamath if (((uintptr_t)mSharedBuffer->pointer() & (alignment - 1)) != 0) { 950a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten ALOGE("Invalid buffer alignment: address %p, channel count %u", 951363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer->pointer(), mChannelCount); 95238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = BAD_VALUE; 95338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 954e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 955e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 956e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // When initializing a shared buffer AudioTrack via constructors, 957e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there's no frameCount parameter. 958e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // But when initializing a shared buffer AudioTrack via set(), 959e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // there _is_ a frameCount parameter. We silently ignore it. 960363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten frameCount = mSharedBuffer->size()/mChannelCount/sizeof(int16_t); 961e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 962363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten } else if (!(mFlags & AUDIO_OUTPUT_FLAG_FAST)) { 963e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 964e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME move these calculations and associated checks to server 965e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 966d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent // Ensure that buffer depth covers at least audio hardware latency 967d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent uint32_t minBufCount = afLatency / ((1000 * afFrameCount)/afSampleRate); 968bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten ALOGV("afFrameCount=%d, minBufCount=%d, afSampleRate=%u, afLatency=%d", 969bb6f0a0bb413817d707cfb4c4a30847fda520787Glenn Kasten afFrameCount, minBufCount, afSampleRate, afLatency); 970ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (minBufCount <= nBuffering) { 971ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten minBufCount = nBuffering; 9727c027248e1a4ccd5b22bc4deafb03e2d87ac8f38Glenn Kasten } 973d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 974363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten size_t minFrameCount = (afFrameCount*mSampleRate*minBufCount)/afSampleRate; 975e33054eb968cbf8ccaee1b0ff0301403902deed6Glenn Kasten ALOGV("minFrameCount: %u, afFrameCount=%d, minBufCount=%d, sampleRate=%u, afSampleRate=%u" 9763acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten ", afLatency=%d", 977363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten minFrameCount, afFrameCount, minBufCount, mSampleRate, afSampleRate, afLatency); 978d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 979e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten if (frameCount == 0) { 980e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 981ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } else if (frameCount < minFrameCount) { 982e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // not ALOGW because it happens all the time when playing key clicks over A2DP 983e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten ALOGV("Minimum buffer size corrected from %d to %d", 984e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount, minFrameCount); 985e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten frameCount = minFrameCount; 986e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 987ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten // Make sure that application is notified with sufficient margin before underrun 988ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 989ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 990ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten } 991e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten 992e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } else { 993e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // For fast tracks, the frame count calculations and checks are done by server 994d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent } 995d1b449aad6c087a69f5ec66b7facb2845b73f1cbEric Laurent 996a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten IAudioFlinger::track_flags_t trackFlags = IAudioFlinger::TRACK_DEFAULT; 997a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten if (mIsTimed) { 998a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten trackFlags |= IAudioFlinger::TRACK_TIMED; 999a075db4ff9b086ac2885df77bb6da0869293df92Glenn Kasten } 10003acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 10013acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten pid_t tid = -1; 1002363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 10034a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten trackFlags |= IAudioFlinger::TRACK_FAST; 10043acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mAudioTrackThread != 0) { 10053acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid = mAudioTrackThread->getTid(); 10063acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 10074a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten } 10084a4a0959bca78e03e3c3f486ba17829c28314d8cGlenn Kasten 1009363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1010b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald trackFlags |= IAudioFlinger::TRACK_OFFLOAD; 1011b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1012b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 101374935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten size_t temp = frameCount; // temp may be replaced by a revised value of frameCount, 101474935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // but we will still need the original value also 1015363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten sp<IAudioTrack> track = audioFlinger->createTrack(mStreamType, 1016363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSampleRate, 101760a839204713e0f8258d082af83262b1eb33a6c3Glenn Kasten // AudioFlinger only sees 16-bit PCM 1018363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFormat == AUDIO_FORMAT_PCM_8_BIT ? 1019363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten AUDIO_FORMAT_PCM_16_BIT : mFormat, 1020a42ff007a17d63df22c60dd5e5fd811ee45ca1b3Glenn Kasten mChannelMask, 102174935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten &temp, 1022e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten &trackFlags, 1023363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mSharedBuffer, 102434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent output, 10253acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten tid, 1026be916aa1267e2e6b1c148f51d11bcbbc79cb864cEric Laurent &mSessionId, 1027d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten mName, 1028462fd2fa9eef642b0574aa7409de0bde3fec8d43Marco Nelissen mClientUid, 102934f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent &status); 103034f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 1031c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten if (status != NO_ERROR) { 103229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("AudioFlinger could not create track, status: %d", status); 103338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten goto release; 103434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 1035c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten ALOG_ASSERT(track != 0); 1036c08d20b6a37122ebf116262c9372509ed060d4c1Glenn Kasten 103738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // AudioFlinger now owns the reference to the I/O handle, 103838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // so we are no longer responsible for releasing it. 103938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 1040d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten sp<IMemory> iMem = track->getCblk(); 1041d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten if (iMem == 0) { 104229357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 104334f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_INIT; 104434f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 10450cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten void *iMemPointer = iMem->pointer(); 10460cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten if (iMemPointer == NULL) { 10470cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten ALOGE("Could not get control block pointer"); 10480cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten return NO_INIT; 10490cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten } 105053cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten // invariant that mAudioTrack != 0 is true only after set() returns successfully 10519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mAudioTrack != 0) { 10529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->unlinkToDeath(mDeathNotifier, this); 10539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier.clear(); 10549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 105534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent mAudioTrack = track; 10565f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1057d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblkMemory = iMem; 10580cde076ddb283c84c3801a2df4cc3df99bd1577fGlenn Kasten audio_track_cblk_t* cblk = static_cast<audio_track_cblk_t*>(iMemPointer); 1059d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten mCblk = cblk; 106074935e44734c1ec235c2b6677db3e0dbefa5ddb8Glenn Kasten // note that temp is the (possibly revised) value of frameCount 1061b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (temp < frameCount || (frameCount == 0 && temp == 0)) { 1062b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // In current design, AudioTrack client checks and ensures frame count validity before 1063b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // passing it to AudioFlinger so AudioFlinger should not return a different value except 1064b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten // for fast track as it uses a special method of assigning frame count. 1065b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGW("Requested frameCount %u but received frameCount %u", frameCount, temp); 1066b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten } 1067b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten frameCount = temp; 10685f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1069a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1070363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1071e0b07179a48ee50fda931d2aa1b3c751d167e4d7Glenn Kasten if (trackFlags & IAudioFlinger::TRACK_FAST) { 1072b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST successful; frameCount %u", frameCount); 1073a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = true; 1074363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1075b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // Theoretically double-buffering is not required for fast tracks, 1076b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // due to tighter scheduling. But in practice, to accommodate kernels with 1077b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten // scheduling jitter, and apps with computation jitter, we use double-buffering. 1078b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1079b5fed68bcdd6f44424c9e4d12bfe9a3ff51bd62eGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } else { 1083b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten ALOGV("AUDIO_OUTPUT_FLAG_FAST denied by server; frameCount %u", frameCount); 1084093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // once denied, do not request again if IAudioTrack is re-created 1085363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_FAST); 1086363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 1087ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten if (mNotificationFramesAct == 0 || mNotificationFramesAct > frameCount/nBuffering) { 1088ce8828a016b082f730152af2204b8ea3610dc1ecGlenn Kasten mNotificationFramesAct = frameCount/nBuffering; 10899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 10909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1091e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten } 10923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1093363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD) { 1094b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (trackFlags & IAudioFlinger::TRACK_OFFLOAD) { 1095b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("AUDIO_OUTPUT_FLAG_OFFLOAD successful"); 1096b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1097b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("AUDIO_OUTPUT_FLAG_OFFLOAD denied by server"); 1098363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mFlags = (audio_output_flags_t) (mFlags & ~AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD); 109938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // FIXME This is a warning, not an error, so don't return error status 110038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //return NO_INIT; 1101b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1102b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1103b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 110438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // We retain a copy of the I/O handle, but don't own the reference 110538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = output; 11069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = true; 11079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Starting address of buffers in shared memory. If there is a shared buffer, buffers 11099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // is the value of pointer() for the shared buffer, otherwise buffers points 11109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // immediately after the control block. This address is for the mapping within client 11119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // address space. AudioFlinger::TrackBase::mBuffer is for the server address space. 11129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten void* buffers; 1113363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffers = (char*)cblk + sizeof(audio_track_cblk_t); 111534f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } else { 1116363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten buffers = mSharedBuffer->pointer(); 111734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent } 111834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 11192beeb50b1bba9e92f6cacfeca37fe9fa9d36ead1Eric Laurent mAudioTrack->attachAuxEffect(mAuxEffectId); 1120e0fa467e1150c65a7b1b1ed904c579b40f97c9dfGlenn Kasten // FIXME don't believe this lie 1121363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten mLatency = afLatency + (1000*frameCount) / mSampleRate; 11225f631515d098c29603cda88f7a7e7580a2d55b57Glenn Kasten 1123b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mFrameCount = frameCount; 1124093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // If IAudioTrack is re-created, don't let the requested frameCount 1125093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten // decrease. This can confuse clients that cache frameCount(). 1126b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten if (frameCount > mReqFrameCount) { 1127b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mReqFrameCount = frameCount; 1128093000f7d11839b920e8dfaa42ed1d09f48e24b8Glenn Kasten } 1129e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 1130e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten // update proxy 1131363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten if (mSharedBuffer == 0) { 11329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy.clear(); 11339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = new AudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11349f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy = new StaticAudioTrackClientProxy(cblk, buffers, frameCount, mFrameSizeAF); 11369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy = mStaticProxy; 11379f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1138e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setVolumeLR((uint32_t(uint16_t(mVolume[RIGHT] * 0x1000)) << 16) | 1139e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten uint16_t(mVolume[LEFT] * 0x1000)); 1140e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSendLevel(mSendLevel); 1141e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten mProxy->setSampleRate(mSampleRate); 11429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setEpoch(epoch); 11439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->setMinimum(mNotificationFramesAct); 11449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11459f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mDeathNotifier = new DeathNotifier(this); 11469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mAudioTrack->asBinder()->linkToDeath(mDeathNotifier, this); 1147e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 114834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent return NO_ERROR; 114938e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 115038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten 115138e905b3cbba4da443d799b16999989781afc6d8Glenn Kastenrelease: 115238e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(output); 115338e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (status == NO_ERROR) { 115438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten status = NO_INIT; 115538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 115638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten return status; 115734f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent} 115834f1d8ecd23169a5f299937e3aaf1bd7937578a0Eric Laurent 115989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, int32_t waitCount) 116089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 11619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioBuffer == NULL) { 11629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return BAD_VALUE; 11639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_OBTAIN) { 11659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = 0; 11669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = 0; 11679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = NULL; 11689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return INVALID_OPERATION; 11699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested; 1172df576995a5aad3428aeeef765387d650945c161dEric Laurent struct timespec timeout; 11739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (waitCount == -1) { 11749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kForever; 11759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount == 0) { 11769f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 11779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else if (waitCount > 0) { 11789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten long long ms = WAIT_PERIOD_MS * (long long) waitCount; 11799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ms / 1000; 11809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = (int) (ms % 1000) * 1000000; 11819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 11829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 11839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("%s invalid waitCount %d", __func__, waitCount); 11849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = NULL; 11859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 11869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return obtainBuffer(audioBuffer, requested); 11879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 11889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 11899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::obtainBuffer(Buffer* audioBuffer, const struct timespec *requested, 11909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec *elapsed, size_t *nonContig) 11919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 11929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // previous and new IAudioTrack sequence numbers are used to detect track re-creation 11939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t oldSequence = 0; 11949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t newSequence; 1195e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 11969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 11979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t status = NO_ERROR; 119889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 11999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const int32_t kMaxTries = 5; 12009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t tryCounter = kMaxTries; 120189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten do { 12039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // obtainBuffer() is called with mutex unlocked, so keep extra references to these fields to 12049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // keep them from going away if another thread re-creates the track during obtainBuffer() 12059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrackClientProxy> proxy; 12069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<IMemory> iMem; 120789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten { // start of lock scope 12099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 12101703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 12119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newSequence = mSequence; 12129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // did previous obtainBuffer() fail due to media server death or voluntary invalidation? 12139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status == DEAD_OBJECT) { 12149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // re-create track, unless someone else has already done so 12159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newSequence == oldSequence) { 12169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = restoreTrack_l("obtainBuffer"); 12179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (status != NO_ERROR) { 1218b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1219b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1220b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 12219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten break; 122289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 122389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten oldSequence = newSequence; 1226c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Keep the extra references 12289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten proxy = mProxy; 12299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten iMem = mCblkMemory; 12309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1231b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (mState == STATE_STOPPING) { 1232b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status = -EINTR; 1233b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mFrameCount = 0; 1234b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mRaw = NULL; 1235b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald buffer.mNonContig = 0; 1236b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald break; 1237b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1238b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 12399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Non-blocking if track is stopped or paused 12409f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState != STATE_ACTIVE) { 12419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 124289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 124389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } // end of lock scope 1245c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 12469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = audioBuffer->frameCount; 12479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME starts the requested timeout and elapsed over from scratch 12489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status = proxy->obtainBuffer(&buffer, requested, elapsed); 124989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } while ((status == DEAD_OBJECT) && (tryCounter-- > 0)); 125189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 12529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->frameCount = buffer.mFrameCount; 12539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->size = buffer.mFrameCount * mFrameSizeAF; 12549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer->raw = buffer.mRaw; 12559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (nonContig != NULL) { 12569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten *nonContig = buffer.mNonContig; 125789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 12589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return status; 125989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 126089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 126189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectvoid AudioTrack::releaseBuffer(Buffer* audioBuffer) 126289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 12649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t stepCount = audioBuffer->size / mFrameSizeAF; 12689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (stepCount == 0) { 12699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return; 12709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 12719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Proxy::Buffer buffer; 12739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mFrameCount = stepCount; 12749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer.mRaw = audioBuffer->raw; 1275e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten 12761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent AutoMutex lock(mLock); 12779f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = false; 12789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mProxy->releaseBuffer(&buffer); 12799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 12809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // restart track if it was disabled by audioflinger due to previous underrun 12819f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 12829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audio_track_cblk_t* cblk = mCblk; 128396f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (android_atomic_and(~CBLK_DISABLED, &cblk->mFlags) & CBLK_DISABLED) { 1284d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten ALOGW("releaseBuffer() track %p name=%s disabled due to previous underrun, restarting", 1285d054c32443a493513ab63529b0c8b1aca290278cGlenn Kasten this, mName.string()); 12869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1287df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1288df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 1289df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 129089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 129189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 129389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 129489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectssize_t AudioTrack::write(const void* buffer, size_t userSize) 129589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 12969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_SYNC || mIsTimed) { 1297d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten return INVALID_OPERATION; 1298d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 129989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(userSize) < 0 || (buffer == NULL && userSize != 0)) { 130199e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // Sanity-check: user is most-likely passing an error code, and it would 130299e53b86eebb605b70dd7591b89bf61a9414ed0eGlenn Kasten // make the return value ambiguous (actualSize vs error). 1303377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT ALOGE("AudioTrack::write(buffer=%p, size=%zu (%zd)", buffer, userSize, userSize); 130489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return BAD_VALUE; 130589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 130689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t written = 0; 130889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project Buffer audioBuffer; 130989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (userSize >= mFrameSize) { 13119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = userSize / mFrameSize; 1312c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 13139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, &ClientProxy::kForever); 131489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project if (err < 0) { 13159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (written > 0) { 131689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project break; 1317d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 131889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return ssize_t(err); 131989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 132089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 132189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t toWrite; 13220ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 132389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide capacity by 2 to take expansion into account 13249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten toWrite = audioBuffer.size >> 1; 13259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) buffer, toWrite); 13263302526f6276911b2dc40c731ea7fa0e7972d908Eric Laurent } else { 132789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project toWrite = audioBuffer.size; 13289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten memcpy(audioBuffer.i8, buffer, toWrite); 132989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 13309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten buffer = ((const char *) buffer) + toWrite; 133189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project userSize -= toWrite; 133289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project written += toWrite; 133389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 13359f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 133689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 133789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return written; 133889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 133989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 134089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ------------------------------------------------------------------------- 134189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 13424ff14bae91075eb274eb1c2975982358946e7e63John GrossmanTimedAudioTrack::TimedAudioTrack() { 13434ff14bae91075eb274eb1c2975982358946e7e63John Grossman mIsTimed = true; 13444ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13454ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13464ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::allocateTimedBuffer(size_t size, sp<IMemory>* buffer) 13474ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1348d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten AutoMutex lock(mLock); 13494ff14bae91075eb274eb1c2975982358946e7e63John Grossman status_t result = UNKNOWN_ERROR; 13504ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 1 1352d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // acquire a strong reference on the IMemory and IAudioTrack so that they cannot be destroyed 1353d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten // while we are accessing the cblk 1354d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IAudioTrack> audioTrack = mAudioTrack; 1355d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten sp<IMemory> iMem = mCblkMemory; 13569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 1357d5ed6e88a9bea1879e41d7defaf1edea7c09f554Glenn Kasten 13584ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is not invalid already, try to allocate a buffer. alloc 13594ff14bae91075eb274eb1c2975982358946e7e63John Grossman // fails indicating that the server is dead, flag the track as invalid so 1360c3ae93f21280859086ae371428ffd32f39e76d50Glenn Kasten // we can attempt to restore in just a bit. 1361d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 136296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (!(cblk->mFlags & CBLK_INVALID)) { 13634ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 13644ff14bae91075eb274eb1c2975982358946e7e63John Grossman if (result == DEAD_OBJECT) { 136596f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_INVALID, &cblk->mFlags); 13664ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13674ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13684ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13694ff14bae91075eb274eb1c2975982358946e7e63John Grossman // If the track is invalid at this point, attempt to restore it. and try the 13704ff14bae91075eb274eb1c2975982358946e7e63John Grossman // allocation one more time. 137196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten if (cblk->mFlags & CBLK_INVALID) { 13729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten result = restoreTrack_l("allocateTimedBuffer"); 13734ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result == NO_ERROR) { 13754ff14bae91075eb274eb1c2975982358946e7e63John Grossman result = mAudioTrack->allocateTimedBuffer(size, buffer); 1376d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 13774ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 13784ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13794ff14bae91075eb274eb1c2975982358946e7e63John Grossman return result; 13804ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 13814ff14bae91075eb274eb1c2975982358946e7e63John Grossman 13824ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::queueTimedBuffer(const sp<IMemory>& buffer, 13834ff14bae91075eb274eb1c2975982358946e7e63John Grossman int64_t pts) 13844ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 1385df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent status_t status = mAudioTrack->queueTimedBuffer(buffer, pts); 1386df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent { 1387df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent AutoMutex lock(mLock); 1388d2c38fc4d5dc742d7441444316849510dd2b7363Glenn Kasten audio_track_cblk_t* cblk = mCblk; 1389df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent // restart track if it was disabled by audioflinger due to previous underrun 1390df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent if (buffer->size() != 0 && status == NO_ERROR && 139196f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten (mState == STATE_ACTIVE) && (cblk->mFlags & CBLK_DISABLED)) { 139296f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_and(~CBLK_DISABLED, &cblk->mFlags); 1393df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent ALOGW("queueTimedBuffer() track %p disabled, restarting", this); 13949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME ignoring status 1395df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent mAudioTrack->start(); 1396df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent } 13974ff14bae91075eb274eb1c2975982358946e7e63John Grossman } 1398df839841d2db4cb8e2acb10205b3942622b3e7a2Eric Laurent return status; 13994ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14004ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14014ff14bae91075eb274eb1c2975982358946e7e63John Grossmanstatus_t TimedAudioTrack::setMediaTimeTransform(const LinearTransform& xform, 14024ff14bae91075eb274eb1c2975982358946e7e63John Grossman TargetTimeline target) 14034ff14bae91075eb274eb1c2975982358946e7e63John Grossman{ 14044ff14bae91075eb274eb1c2975982358946e7e63John Grossman return mAudioTrack->setMediaTimeTransform(xform, target); 14054ff14bae91075eb274eb1c2975982358946e7e63John Grossman} 14064ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14074ff14bae91075eb274eb1c2975982358946e7e63John Grossman// ------------------------------------------------------------------------- 14084ff14bae91075eb274eb1c2975982358946e7e63John Grossman 14097c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastennsecs_t AudioTrack::processAudioBuffer() 141089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 1411fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Currently the AudioTrack thread is not created if there are no callbacks. 1412fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // Would it ever make sense to run the thread, even without callbacks? 1413fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten // If so, then replace this by checks at each use for mCbf != NULL. 1414fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten LOG_ALWAYS_FATAL_IF(mCblk == NULL); 1415fb1fdc9d6603aa228362e7349451f6455c9849c2Glenn Kasten 14161703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent mLock.lock(); 1417a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (mAwaitBoost) { 1418a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mAwaitBoost = false; 1419a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten mLock.unlock(); 1420a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten static const int32_t kMaxTries = 5; 1421a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int32_t tryCounter = kMaxTries; 1422a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten uint32_t pollUs = 10000; 1423a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten do { 1424a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten int policy = sched_getscheduler(0); 1425a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (policy == SCHED_FIFO || policy == SCHED_RR) { 1426a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten break; 1427a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1428a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten usleep(pollUs); 1429a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten pollUs <<= 1; 1430a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } while (tryCounter-- > 0); 1431a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten if (tryCounter < 0) { 1432a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten ALOGE("did not receive expected priority boost on time"); 1433a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 1434b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten // Run again immediately 1435b0dfd4613225a3b2a17bdf8d85e89a4b04d65ef3Glenn Kasten return 0; 1436a07f17ca46db04c9d5d9e7d6b2878db59ca2b9eaGlenn Kasten } 14371703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 14389f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Can only reference mCblk while locked 14399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int32_t flags = android_atomic_and( 144096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten ~(CBLK_UNDERRUN | CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL | CBLK_BUFFER_END), &mCblk->mFlags); 1441a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 14429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Check for track invalidation 14439f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_INVALID) { 1444b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks restoreTrack_l() will just update the sequence and clear 1445b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // AudioSystem cache. We should not exit here but after calling the callback so 1446b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // that the upper layers can recreate the track 144723a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (!isOffloaded_l() || (mSequence == mObservedSequence)) { 1448b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald status_t status = restoreTrack_l("processAudioBuffer"); 1449b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mLock.unlock(); 1450b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // Run again immediately, but with a new IAudioTrack 1451b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return 0; 1452b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 145389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 1454c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 1455b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald bool waitStreamEnd = mState == STATE_STOPPING; 14569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool active = mState == STATE_ACTIVE; 145789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Manage underrun callback, must be done under lock to avoid race with releaseBuffer() 14599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool newUnderrun = false; 14609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_UNDERRUN) { 14619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 14629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Currently in shared buffer mode, when the server reaches the end of buffer, 14639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // the track stays active in continuous underrun state. It's up to the application 14649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to pause or stop the track, or set the position to a new offset within buffer. 14659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This was some experimental code to auto-pause on underrun. Keeping it here 14669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // in "if 0" so we can re-visit this if we add a real sequencer for shared memory content. 14679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer == TRANSFER_SHARED) { 14689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_PAUSED; 14699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten active = false; 14709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 14729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mInUnderrun) { 14739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mInUnderrun = true; 14749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newUnderrun = true; 14759f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 147689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 147789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 14789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Get current position of server 14799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t position = mProxy->getPosition(); 14809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 148189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Manage marker callback 14829f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten bool markerReached = false; 14839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t markerPosition = mMarkerPosition; 14849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!mMarkerReached && (markerPosition > 0) && (position >= markerPosition)) { 14869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mMarkerReached = markerReached = true; 14879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Determine number of new position callback(s) that will be needed, while locked 14909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosCount = 0; 14919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t newPosition = mNewPosition; 14929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t updatePeriod = mUpdatePeriod; 14939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME fails for wraparound, need 64 bits 14949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && position >= newPosition) { 14959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount = ((position - newPosition) / updatePeriod) + 1; 14969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mNewPosition += updatePeriod * newPosCount; 14979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 14989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 14999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Cache other fields that will be needed soon 15009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t loopPeriod = mLoopPeriod; 15019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t sampleRate = mSampleRate; 1502838b3d8bafa4a781e277870dee4e0390165cff52Glenn Kasten uint32_t notificationFrames = mNotificationFramesAct; 15039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRefreshRemaining) { 15049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRefreshRemaining = false; 15059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 15069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 15079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t misalignment = mProxy->getMisalignment(); 1509b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald uint32_t sequence = mSequence; 151096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten sp<AudioTrackClientProxy> proxy = mProxy; 15119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // These fields don't need to be cached, because they are assigned only by set(): 15139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mTransfer, mCbf, mUserData, mFormat, mFrameSize, mFrameSizeAF, mFlags 15149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // mFlags is also assigned by createTrack_l(), but not the bit we care about. 15159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 15169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLock.unlock(); 15179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 1518b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (waitStreamEnd) { 1519b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald struct timespec timeout; 1520b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_sec = WAIT_STREAM_END_TIMEOUT_SEC; 1521b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald timeout.tv_nsec = 0; 1522b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 152396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten status_t status = proxy->waitStreamEndDone(&timeout); 1524b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald switch (status) { 1525b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case NO_ERROR: 1526b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case DEAD_OBJECT: 1527b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald case TIMED_OUT: 1528b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mCbf(EVENT_STREAM_END, mUserData, NULL); 152996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten { 153096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten AutoMutex lock(mLock); 153196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // The previously assigned value of waitStreamEnd is no longer valid, 153296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // since the mutex has been unlocked and either the callback handler 153396f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten // or another thread could have re-started the AudioTrack during that time. 153496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten waitStreamEnd = mState == STATE_STOPPING; 153596f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd) { 153696f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten mState = STATE_STOPPED; 1537b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1538b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 153996f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten if (waitStreamEnd && status != DEAD_OBJECT) { 154096f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return NS_INACTIVE; 154196f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten } 154296f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten break; 1543b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 154496f04886d1c1bfbc422e2be033ea66be83e42441Glenn Kasten return 0; 1545b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1546b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // perform callbacks while unlocked 15489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (newUnderrun) { 15499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_UNDERRUN, mUserData, NULL); 15509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME we will miss loops if loop cycle was signaled several times since last call 15529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // to processAudioBuffer() 15539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & (CBLK_LOOP_CYCLE | CBLK_LOOP_FINAL)) { 15549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_LOOP_END, mUserData, NULL); 15559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (flags & CBLK_BUFFER_END) { 15579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_BUFFER_END, mUserData, NULL); 15589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (markerReached) { 15609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_MARKER, mUserData, &markerPosition); 15619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (newPosCount > 0) { 15639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t temp = newPosition; 15649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_POS, mUserData, &temp); 15659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosition += updatePeriod; 15669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten newPosCount--; 15679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1568b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 15699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mObservedSequence != sequence) { 15709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mObservedSequence = sequence; 15719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mCbf(EVENT_NEW_IAUDIOTRACK, mUserData, NULL); 1572b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // for offloaded tracks, just wait for the upper layers to recreate the track 1573b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (isOffloaded()) { 1574b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return NS_INACTIVE; 1575b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 157689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 157789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if inactive, then don't run me again until re-started 15799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!active) { 15809f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_INACTIVE; 158189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 158289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15839f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Compute the estimated time until the next timed event (position, markers, loops) 15849f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME only for non-compressed audio 15859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten uint32_t minFrames = ~0; 15869f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!markerReached && position < markerPosition) { 15879f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = markerPosition - position; 15889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (loopPeriod > 0 && loopPeriod < minFrames) { 15909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = loopPeriod; 15919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 15929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (updatePeriod > 0 && updatePeriod < minFrames) { 15939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = updatePeriod; 159489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 159589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 15969f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If > 0, poll periodically to recover from a stuck server. A good value is 2. 15979f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const uint32_t kPoll = 0; 15989f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (kPoll > 0 && mTransfer == TRANSFER_CALLBACK && kPoll * notificationFrames < minFrames) { 15999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten minFrames = kPoll * notificationFrames; 16002267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent } 16012267ba18d0d2b2d4bd7f5411821ad89ac2659a88Eric Laurent 16029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // Convert frame units to time units 16039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten nsecs_t ns = NS_WHENEVER; 16049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (minFrames != (uint32_t) ~0) { 16059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This "fudge factor" avoids soaking CPU, and compensates for late progress by server 16069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten static const nsecs_t kFudgeNs = 10000000LL; // 10 ms 16079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = ((minFrames * 1000000000LL) / sampleRate) + kFudgeNs; 16089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // If not supplying data by EVENT_MORE_DATA, then we're done 16119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mTransfer != TRANSFER_CALLBACK) { 16129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 161489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten struct timespec timeout; 16169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten const struct timespec *requested = &ClientProxy::kForever; 16179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns != NS_WHENEVER) { 16189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_sec = ns / 1000000000LL; 16199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten timeout.tv_nsec = ns % 1000000000LL; 16209f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGV("timeout %ld.%03d", timeout.tv_sec, (int) timeout.tv_nsec / 1000000); 16219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &timeout; 16229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten while (mRemainingFrames > 0) { 1625c2f1f07084818942352c6bbfb36af9b6b330eb4eEric Laurent 16269f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten Buffer audioBuffer; 16279f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = mRemainingFrames; 16289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t nonContig; 16299f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten status_t err = obtainBuffer(&audioBuffer, requested, NULL, &nonContig); 16309f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF((err != NO_ERROR) != (audioBuffer.frameCount == 0), 16319f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten "obtainBuffer() err=%d frameCount=%u", err, audioBuffer.frameCount); 16329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten requested = &ClientProxy::kNonBlocking; 16339f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t avail = audioBuffer.frameCount + nonContig; 1634b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGV("obtainBuffer(%u) returned %u = %u + %u err %d", 1635b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald mRemainingFrames, avail, audioBuffer.frameCount, nonContig, err); 16369f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (err != NO_ERROR) { 1637b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald if (err == TIMED_OUT || err == WOULD_BLOCK || err == -EINTR || 1638b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald (isOffloaded() && (err == DEAD_OBJECT))) { 16399f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 164089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16419f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("Error %d obtaining an audio buffer, giving up.", err); 16429f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 164389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 16449f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 164542a6f422c09ca6a960673e0e805ddf71a9b51befEric Laurent if (mRetryOnPartialBuffer && !isOffloaded()) { 16469f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = false; 16479f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (avail < mRemainingFrames) { 16489f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten int64_t myns = ((mRemainingFrames - avail) * 1100000000LL) / sampleRate; 16499f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ns < 0 || myns < ns) { 16509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ns = myns; 16519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16529f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return ns; 16539f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 1654d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 165589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 165689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Divide buffer size by 2 to take into account the expansion 165789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // due to 8 to 16 bit conversion: the callback must fill only half 165889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // of the destination buffer 16590ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 166089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project audioBuffer.size >>= 1; 166189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 166289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project size_t reqSize = audioBuffer.size; 166489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project mCbf(EVENT_MORE_DATA, mUserData, &audioBuffer); 16659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t writtenSize = audioBuffer.size; 166689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 166789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project // Sanity check on returned size 16689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (ssize_t(writtenSize) < 0 || writtenSize > reqSize) { 16699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGE("EVENT_MORE_DATA requested %u bytes but callback returned %d bytes", 16709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten reqSize, (int) writtenSize); 16719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return NS_NEVER; 16729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 16739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 16749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize == 0) { 16758555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // The callback is done filling buffers 16768555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // Keep this thread going to handle timed events and 16778555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // still try to get more data in intervals of WAIT_PERIOD_MS 16788555d0867c3e8fe6cc5c7ad40af557fe6b92fa72The Android Open Source Project // but don't just loop and block the CPU, so wait 16799f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return WAIT_PERIOD_MS * 1000000LL; 1680d65d73c4ae74d084751b417615a78cbe7a51372aGlenn Kasten } 168189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16820ca3cf94c0dfc173ad7886ae162c4b67067539f6Eric Laurent if (mFormat == AUDIO_FORMAT_PCM_8_BIT && !(mFlags & AUDIO_OUTPUT_FLAG_DIRECT)) { 1683511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten // 8 to 16 bit conversion, note that source and destination are the same address 1684511754b5839fd9b09fc56b89ae007fbc39084a33Glenn Kasten memcpy_to_i16_from_u8(audioBuffer.i16, (const uint8_t *) audioBuffer.i8, writtenSize); 16859f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.size <<= 1; 168689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 168789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16889f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t releasedFrames = audioBuffer.size / mFrameSizeAF; 16899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioBuffer.frameCount = releasedFrames; 16909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames -= releasedFrames; 16919f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (misalignment >= releasedFrames) { 16929f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment -= releasedFrames; 16939f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } else { 16949f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten misalignment = 0; 16959f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 169689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 169789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project releaseBuffer(&audioBuffer); 169889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 16999f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME here is where we would repeat EVENT_MORE_DATA again on same advanced buffer 17009f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // if callback doesn't like to accept the full chunk 17019f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (writtenSize < reqSize) { 17029f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 17039f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17049f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17059f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // There could be enough non-contiguous frames available to satisfy the remaining request 17069f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mRemainingFrames <= nonContig) { 17079f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten continue; 17089f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17099f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 17119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This heuristic tries to collapse a series of EVENT_MORE_DATA that would total to a 17129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // sum <= notificationFrames. It replaces that series by at most two EVENT_MORE_DATA 17139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // that total to a sum == notificationFrames. 17149f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (0 < misalignment && misalignment <= mRemainingFrames) { 17159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = misalignment; 17169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return (mRemainingFrames * 1100000000LL) / sampleRate; 17179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17189f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17199f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 172089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project } 17219f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRemainingFrames = notificationFrames; 17229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mRetryOnPartialBuffer = true; 17239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 17249f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // A lot has transpired since ns was calculated, so run again immediately and re-calculate 17259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return 0; 172689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 172789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 17289f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenstatus_t AudioTrack::restoreTrack_l(const char *from) 17291703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent{ 1730b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald ALOGW("dead IAudioTrack, %s, creating a new one from %s()", 173123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten isOffloaded_l() ? "Offloaded" : "PCM", from); 17329f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ++mSequence; 17331703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent status_t result; 17341703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1735a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // refresh the audio configuration cache in this process to make sure we get new 173638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten // output parameters in createTrack_l() 1737a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten AudioSystem::clearAudioConfigCache(); 1738a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 173923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten if (isOffloaded_l()) { 174023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten // FIXME re-creation of offloaded tracks is not yet implemented 1741b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return DEAD_OBJECT; 1742b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1743b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald 1744a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // if the new IAudioTrack is created, createTrack_l() will modify the 1745a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // following member variables: mAudioTrack, mCblkMemory and mCblk. 1746a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // It will also delete the strong references on previous IAudioTrack and IMemory 1747cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent 1748cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent // take the frames that will be lost by track recreation into account in saved position 1749cc21e4f1e41dfa17e7e2bef995fcd22c45f6bcd0Eric Laurent size_t position = mProxy->getPosition() + mProxy->getFramesFilled(); 17509f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten size_t bufferPosition = mStaticProxy != NULL ? mStaticProxy->getBufferPosition() : 0; 1751363fb75db26698cbb50065506e0c80b61d1fbf92Glenn Kasten result = createTrack_l(position /*epoch*/); 1752a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten 1753a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (result == NO_ERROR) { 17549f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // continue playback from last known position, but 17559f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // don't attempt to restore loop after invalidation; it's difficult and not worthwhile 17569f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mStaticProxy != NULL) { 17579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mLoopPeriod = 0; 17589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mStaticProxy->setLoop(bufferPosition, mFrameCount, 0); 17599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 17609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // FIXME How do we simulate the fact that all frames present in the buffer at the time of 17619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // track destruction have been played? This is critical for SoundPool implementation 17629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten // This must be broken, and needs to be tested/debugged. 17639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#if 0 1764a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restore write index and set other indexes to reflect empty buffer status 17659f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (!strcmp(from, "start")) { 1766a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // Make sure that a client relying on callback events indicating underrun or 1767a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // the actual amount of audio frames played (e.g SoundPool) receives them. 1768a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten if (mSharedBuffer == 0) { 1769a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten // restart playback even if buffer is not completely filled. 177096f60d8f04432a1ed503b3e24d5736d28c63c9a2Glenn Kasten android_atomic_or(CBLK_FORCEREADY, &mCblk->mFlags); 17711703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17721703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten#endif 17749f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (mState == STATE_ACTIVE) { 1775a47f3165f53c8e8fb8907a94de7417e2c3047eebGlenn Kasten result = mAudioTrack->start(); 17761703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17771703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17789f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (result != NO_ERROR) { 17792b2165c75790050810460c8de3f414876bce4c0eGlenn Kasten // Use of direct and offloaded output streams is ref counted by audio policy manager. 178038e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#if 0 // FIXME This should no longer be needed 178138e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten //Use of direct and offloaded output streams is ref counted by audio policy manager. 1782b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // As getOutput was called above and resulted in an output stream to be opened, 1783b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald // we need to release it. 178438e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten if (mOutput != 0) { 178538e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten AudioSystem::releaseOutput(mOutput); 178638e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten mOutput = 0; 178738e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten } 178838e905b3cbba4da443d799b16999989781afc6d8Glenn Kasten#endif 17899f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten ALOGW("restoreTrack_l() failed status %d", result); 17909f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten mState = STATE_STOPPED; 17911703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent } 17921703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 17931703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent return result; 17941703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent} 17951703cdfee717b1b312bf8979816a9e2f16a82e5dEric Laurent 1796ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgeraldstatus_t AudioTrack::setParameters(const String8& keyValuePairs) 1797ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 1798ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald AutoMutex lock(mLock); 179953cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten return mAudioTrack->setParameters(keyValuePairs); 1800ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1801ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 1802ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kastenstatus_t AudioTrack::getTimestamp(AudioTimestamp& timestamp) 1803ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten{ 180453cec22821072719ee02c856e9ac2dda2496c570Glenn Kasten AutoMutex lock(mLock); 1805fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten // FIXME not implemented for fast tracks; should use proxy and SSQ 1806fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mFlags & AUDIO_OUTPUT_FLAG_FAST) { 1807fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1808fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1809fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (mState != STATE_ACTIVE && mState != STATE_PAUSED) { 1810fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return INVALID_OPERATION; 1811fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1812fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten status_t status = mAudioTrack->getTimestamp(timestamp); 1813fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten if (status == NO_ERROR) { 1814fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten timestamp.mPosition += mProxy->getEpoch(); 1815fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten } 1816fe346c707f59d763ded93bc3d27b51f0c0408258Glenn Kasten return status; 1817ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten} 1818ce70374bf105f8a6160bf5dd70affea012b2a464Glenn Kasten 1819ad3af3305f024bcbbd55c894a4995e449498e1baRichard FitzgeraldString8 AudioTrack::getParameters(const String8& keys) 1820ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald{ 18212c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten audio_io_handle_t output = getOutput(); 18222c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten if (output != 0) { 18232c6c5294388e251ebc1e00d6c8785190561c27fcGlenn Kasten return AudioSystem::getParameters(output, keys); 1824b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } else { 1825b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald return String8::empty(); 1826b1a270d1e926fb9a01b4265a7675ed0c2c8f4868Richard Fitzgerald } 1827ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald} 1828ad3af3305f024bcbbd55c894a4995e449498e1baRichard Fitzgerald 182923a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kastenbool AudioTrack::isOffloaded() const 183023a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten{ 183123a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten AutoMutex lock(mLock); 183223a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten return isOffloaded_l(); 183323a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten} 183423a7545c4de71e989c2d8ebf1d5b9dcf463c36a9Glenn Kasten 18357c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenstatus_t AudioTrack::dump(int fd, const Vector<String16>& args __unused) const 183689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 183789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 183889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project const size_t SIZE = 256; 183989fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project char buffer[SIZE]; 184089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project String8 result; 184189fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 184289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(" AudioTrack::dump\n"); 184385ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", mStreamType, 184485ab62c4b433df3f1a9826bed1c9bec07a86c750Glenn Kasten mVolume[0], mVolume[1]); 184589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1846377b2ec9a2885f9b6405b07ba900a9e3f4349c38Kévin PETIT snprintf(buffer, 255, " format(%d), channel count(%d), frame count(%zu)\n", mFormat, 1847b603744e96b07b1d5bf745bde593fb2c025cefcfGlenn Kasten mChannelCount, mFrameCount); 184889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 1849e3aa659e9cee7df5c12a80d285cc29ab3b2cbb39Glenn Kasten snprintf(buffer, 255, " sample rate(%u), status(%d)\n", mSampleRate, mStatus); 185089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 18519f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten snprintf(buffer, 255, " state(%d), latency (%d)\n", mState, mLatency); 185289fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project result.append(buffer); 185389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project ::write(fd, result.string(), result.size()); 185489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project return NO_ERROR; 185589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 185689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 18579f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kastenuint32_t AudioTrack::getUnderrunFrames() const 18589f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18599f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(mLock); 18609f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return mProxy->getUnderrunFrames(); 18619f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18629f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18639f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten// ========================================================================= 18649f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 18657c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kastenvoid AudioTrack::DeathNotifier::binderDied(const wp<IBinder>& who __unused) 18669f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten{ 18679f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten sp<AudioTrack> audioTrack = mAudioTrack.promote(); 18689f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten if (audioTrack != 0) { 18699f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten AutoMutex lock(audioTrack->mLock); 18709f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten audioTrack->mProxy->binderDied(); 18719f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten } 18729f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten} 18739f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten 187489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project// ========================================================================= 187589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 187689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source ProjectAudioTrack::AudioTrackThread::AudioTrackThread(AudioTrack& receiver, bool bCanCallJava) 1877598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten : Thread(bCanCallJava), mReceiver(receiver), mPaused(true), mPausedInt(false), mPausedNs(0LL), 1878598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt(false) 18793acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 18803acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 18813acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 18823acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn KastenAudioTrack::AudioTrackThread::~AudioTrackThread() 188389fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 188489fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 188589fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 188689fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Projectbool AudioTrack::AudioTrackThread::threadLoop() 188789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project{ 18883acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten { 18893acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 18903acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten if (mPaused) { 18913acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.wait(mMyLock); 18923acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // caller will check for exitPending() 18933acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten return true; 18943acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 1895598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten if (mIgnoreNextPausedInt) { 1896598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = false; 1897598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mPausedInt = false; 1898598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten } 18995a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedInt) { 19005a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten if (mPausedNs > 0) { 19015a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten (void) mMyCond.waitRelative(mMyLock, mPausedNs); 19025a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } else { 19035a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mMyCond.wait(mMyLock); 19045a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 19059d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19065a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten return true; 19075a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten } 19083acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19097c7be1e05634d96d08210efb4bdeb012ffba440dGlenn Kasten nsecs_t ns = mReceiver.processAudioBuffer(); 19109f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten switch (ns) { 19119f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case 0: 19129f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 19139f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_INACTIVE: 19145a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(); 19159f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 19169f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten case NS_NEVER: 19179f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return false; 19185a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten case NS_WHENEVER: 19195a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // FIXME increase poll interval, or make event-driven 19205a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten ns = 1000000000LL; 19215a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten // fall through 19229f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten default: 19239f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten LOG_ALWAYS_FATAL_IF(ns < 0, "processAudioBuffer() returned %lld", ns); 19245a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten pauseInternal(ns); 19259f80dd223d83d9bb9077fb6baee056cee4eaf7e5Glenn Kasten return true; 1926ca8b28013c0558a4a3323a1a0f58520277200086Glenn Kasten } 192789fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project} 192889fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project 19293acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::requestExit() 19303acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19313acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten // must be in this order to avoid a race condition 19323acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten Thread::requestExit(); 1933598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten resume(); 19343acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19353acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19363acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::pause() 19373acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19383acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 19393acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = true; 19403acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19413acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19423acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kastenvoid AudioTrack::AudioTrackThread::resume() 19433acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten{ 19443acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten AutoMutex _l(mMyLock); 1945598de6c701e989385eeffa7c5dfd61f0459a2631Glenn Kasten mIgnoreNextPausedInt = true; 19469d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent if (mPaused || mPausedInt) { 19473acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mPaused = false; 19489d2c78c4798ffd8c276c1bf0eaa0b34bc255a2daEric Laurent mPausedInt = false; 19493acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten mMyCond.signal(); 19503acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten } 19513acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten} 19523acbd053c842e76e1a40fc8a0bf62de87eebf00fGlenn Kasten 19535a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kastenvoid AudioTrack::AudioTrackThread::pauseInternal(nsecs_t ns) 19545a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten{ 19555a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten AutoMutex _l(mMyLock); 19565a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedInt = true; 19575a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten mPausedNs = ns; 19585a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten} 19595a6cd224d07c05b496b6aca050ce5ecf96f125afGlenn Kasten 196089fa4ad53f2f4d57adbc97ae1149fc00c9b6f3c5The Android Open Source Project}; // namespace android 1961